[3944] | 1 | MODULE chem_gasphase_mod |
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| 2 | |
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| 3 | ! Mechanism: simplep |
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| 4 | ! |
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| 5 | !------------------------------------------------------------------------------! |
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| 6 | ! |
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| 7 | ! ******Module chem_gasphase_mod is automatically generated by kpp4palm ****** |
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| 8 | ! |
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| 9 | ! *********Please do NOT change this Code,it will be ovewritten ********* |
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| 10 | ! |
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| 11 | !------------------------------------------------------------------------------! |
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| 12 | ! This file was created by KPP (http://people.cs.vt.edu/asandu/Software/Kpp/) |
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| 13 | ! and kpp4palm (created by Klaus Ketelsen). kpp4palm is an adapted version |
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| 14 | ! of KP4 (Jöckel,P.,Kerkweg,A.,Pozzer,A.,Sander,R.,Tost,H.,Riede, |
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| 15 | ! H.,Baumgaertner,A.,Gromov,S.,and Kern,B.,2010: Development cycle 2 of |
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| 16 | ! the Modular Earth Submodel System (MESSy2),Geosci. Model Dev.,3,717-752, |
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| 17 | ! https://doi.org/10.5194/gmd-3-717-2010). KP4 is part of the Modular Earth |
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| 18 | ! Submodel System (MESSy),which is is available under the GNU General Public |
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| 19 | ! License (GPL). |
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| 20 | ! |
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| 21 | ! KPP is free software; you can redistribute it and/or modify it under the terms |
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| 22 | ! of the General Public Licence as published by the Free Software Foundation; |
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| 23 | ! either version 2 of the License,or (at your option) any later version. |
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| 24 | ! KPP is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; |
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| 25 | ! without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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| 26 | ! PURPOSE. See the GNU General Public Licence for more details. |
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| 27 | ! |
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| 28 | !------------------------------------------------------------------------------! |
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| 29 | ! This file is part of the PALM model system. |
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| 30 | ! |
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| 31 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 32 | ! terms of the GNU General Public License as published by the Free Software |
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| 33 | ! Foundation,either version 3 of the License,or (at your option) any later |
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| 34 | ! version. |
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| 35 | ! |
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| 36 | ! PALM is distributed in the hope that it will be useful,but WITHOUT ANY |
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| 37 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 38 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 39 | ! |
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| 40 | ! You should have received a copy of the GNU General Public License along with |
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| 41 | ! PALM. If not,see <http://www.gnu.org/licenses/>. |
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| 42 | ! |
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[4370] | 43 | ! Copyright 1997-2020 Leibniz Universitaet Hannover |
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[3944] | 44 | !--------------------------------------------------------------------------------! |
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| 45 | ! |
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| 46 | ! |
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| 47 | ! MODULE HEADER TEMPLATE |
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| 48 | ! |
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| 49 | ! Initial version (Nov. 2016,ketelsen),for later modifications of module_header |
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| 50 | ! see comments in kpp4palm/src/create_kpp_module.C |
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| 51 | |
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| 52 | ! Set kpp Double Precision to PALM Default Precision |
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| 53 | |
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| 54 | USE kinds, ONLY: dp=>wp |
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| 55 | |
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| 56 | USE pegrid, ONLY: myid, threads_per_task |
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| 57 | |
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| 58 | IMPLICIT NONE |
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| 59 | PRIVATE |
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| 60 | !SAVE ! note: occurs again in automatically generated code ... |
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| 61 | |
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| 62 | ! Public variables |
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| 63 | PUBLIC :: atol |
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| 64 | PUBLIC :: cs_mech |
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| 65 | PUBLIC :: eqn_names |
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| 66 | PUBLIC :: fakt |
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| 67 | PUBLIC :: nmaxfixsteps |
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| 68 | PUBLIC :: nphot |
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| 69 | PUBLIC :: nreact |
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| 70 | PUBLIC :: nspec |
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| 71 | PUBLIC :: nvar |
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| 72 | PUBLIC :: qvap |
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| 73 | PUBLIC :: phot |
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| 74 | PUBLIC :: phot_names |
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| 75 | PUBLIC :: rconst |
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| 76 | PUBLIC :: rtol |
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| 77 | PUBLIC :: spc_names |
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| 78 | PUBLIC :: temp |
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| 79 | PUBLIC :: vl_dim !< PUBLIC to enable other MODULEs to distiguish between scalar and vec |
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| 80 | |
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| 81 | ! Public routines |
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| 82 | PUBLIC :: chem_gasphase_integrate |
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| 83 | PUBLIC :: get_mechanism_name |
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| 84 | PUBLIC :: initialize |
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| 85 | PUBLIC :: initialize_kpp_ctrl |
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| 86 | PUBLIC :: integrate |
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| 87 | PUBLIC :: update_rconst |
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| 88 | |
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| 89 | ! END OF MODULE HEADER TEMPLATE |
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| 90 | |
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| 91 | ! Variables used for vector mode |
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| 92 | |
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| 93 | LOGICAL, PARAMETER :: l_vector = .FALSE. |
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| 94 | INTEGER, PARAMETER :: i_lu_di = 2 |
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| 95 | INTEGER, PARAMETER :: vl_dim = 1 |
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| 96 | INTEGER :: vl |
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| 97 | |
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| 98 | INTEGER :: vl_glo |
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| 99 | INTEGER :: is, ie |
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| 100 | |
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| 101 | |
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| 102 | LOGICAL :: data_loaded = .FALSE. |
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| 103 | REAL(dp), POINTER, DIMENSION(:), CONTIGUOUS :: var |
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| 104 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 105 | ! |
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| 106 | ! Parameter Module File |
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| 107 | ! |
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| 108 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 109 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 110 | ! KPP is distributed under GPL,the general public licence |
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| 111 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 112 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 113 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 114 | ! With important contributions from: |
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| 115 | ! M. Damian,Villanova University,USA |
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| 116 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 117 | ! |
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| 118 | ! File : chem_gasphase_mod_Parameters.f90 |
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[4016] | 119 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 120 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 121 | ! Equation file : chem_gasphase_mod.kpp |
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| 122 | ! Output root filename : chem_gasphase_mod |
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| 123 | ! |
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| 124 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 125 | |
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| 126 | |
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| 127 | |
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| 128 | |
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| 129 | |
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| 130 | |
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| 131 | ! NSPEC - Number of chemical species |
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| 132 | INTEGER, PARAMETER :: nspec = 11 |
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| 133 | ! NVAR - Number of Variable species |
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| 134 | INTEGER, PARAMETER :: nvar = 10 |
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| 135 | ! NVARACT - Number of Active species |
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| 136 | INTEGER, PARAMETER :: nvaract = 8 |
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| 137 | ! NFIX - Number of Fixed species |
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| 138 | INTEGER, PARAMETER :: nfix = 1 |
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| 139 | ! NREACT - Number of reactions |
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| 140 | INTEGER, PARAMETER :: nreact = 8 |
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| 141 | ! NVARST - Starting of variables in conc. vect. |
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| 142 | INTEGER, PARAMETER :: nvarst = 1 |
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| 143 | ! NFIXST - Starting of fixed in conc. vect. |
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| 144 | INTEGER, PARAMETER :: nfixst = 11 |
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| 145 | ! NONZERO - Number of nonzero entries in Jacobian |
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| 146 | INTEGER, PARAMETER :: nonzero = 36 |
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| 147 | ! LU_NONZERO - Number of nonzero entries in LU factoriz. of Jacobian |
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| 148 | INTEGER, PARAMETER :: lu_nonzero = 38 |
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| 149 | ! CNVAR - (NVAR+1) Number of elements in compressed row format |
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| 150 | INTEGER, PARAMETER :: cnvar = 11 |
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| 151 | ! CNEQN - (NREACT+1) Number stoicm elements in compressed col format |
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| 152 | INTEGER, PARAMETER :: cneqn = 9 |
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| 153 | ! NHESS - Length of Sparse Hessian |
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| 154 | INTEGER, PARAMETER :: nhess = 18 |
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| 155 | ! NMASS - Number of atoms to check mass balance |
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| 156 | INTEGER, PARAMETER :: nmass = 1 |
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| 157 | |
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| 158 | ! Index declaration for variable species in C and VAR |
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| 159 | ! VAR(ind_spc) = C(ind_spc) |
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| 160 | |
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| 161 | INTEGER, PARAMETER, PUBLIC :: ind_pm10 = 1 |
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| 162 | INTEGER, PARAMETER, PUBLIC :: ind_hno3 = 2 |
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| 163 | INTEGER, PARAMETER, PUBLIC :: ind_rcho = 3 |
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| 164 | INTEGER, PARAMETER, PUBLIC :: ind_rh = 4 |
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| 165 | INTEGER, PARAMETER, PUBLIC :: ind_ho2 = 5 |
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| 166 | INTEGER, PARAMETER, PUBLIC :: ind_o3 = 6 |
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| 167 | INTEGER, PARAMETER, PUBLIC :: ind_oh = 7 |
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| 168 | INTEGER, PARAMETER, PUBLIC :: ind_ro2 = 8 |
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| 169 | INTEGER, PARAMETER, PUBLIC :: ind_no = 9 |
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| 170 | INTEGER, PARAMETER, PUBLIC :: ind_no2 = 10 |
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| 171 | |
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| 172 | ! Index declaration for fixed species in C |
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| 173 | ! C(ind_spc) |
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| 174 | |
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| 175 | INTEGER, PARAMETER, PUBLIC :: ind_h2o = 11 |
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| 176 | |
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| 177 | ! Index declaration for fixed species in FIX |
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| 178 | ! FIX(indf_spc) = C(ind_spc) = C(NVAR+indf_spc) |
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| 179 | |
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| 180 | INTEGER, PARAMETER :: indf_h2o = 1 |
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| 181 | |
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| 182 | ! NJVRP - Length of sparse Jacobian JVRP |
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| 183 | INTEGER, PARAMETER :: njvrp = 13 |
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| 184 | |
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| 185 | ! NSTOICM - Length of Sparse Stoichiometric Matrix |
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| 186 | INTEGER, PARAMETER :: nstoicm = 23 |
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| 187 | |
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| 188 | |
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| 189 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 190 | ! |
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| 191 | ! Global Data Module File |
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| 192 | ! |
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| 193 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 194 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 195 | ! KPP is distributed under GPL,the general public licence |
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| 196 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 197 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 198 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 199 | ! With important contributions from: |
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| 200 | ! M. Damian,Villanova University,USA |
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| 201 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 202 | ! |
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| 203 | ! File : chem_gasphase_mod_Global.f90 |
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[4016] | 204 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 205 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 206 | ! Equation file : chem_gasphase_mod.kpp |
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| 207 | ! Output root filename : chem_gasphase_mod |
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| 208 | ! |
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| 209 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 210 | |
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| 211 | |
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| 212 | |
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| 213 | |
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| 214 | |
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| 215 | |
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| 216 | ! Declaration of global variables |
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| 217 | |
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| 218 | ! C - Concentration of all species |
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| 219 | REAL(kind=dp), TARGET :: c(nspec) |
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| 220 | ! VAR - Concentrations of variable species (global) |
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| 221 | ! REAL(kind=dp):: var(nvar) var is now POINTER |
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| 222 | ! FIX - Concentrations of fixed species (global) |
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| 223 | REAL(kind=dp):: fix(nfix) |
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| 224 | ! VAR,FIX are chunks of array C |
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| 225 | ! RCONST - Rate constants (global) |
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| 226 | REAL(kind=dp):: rconst(nreact) |
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| 227 | ! TIME - Current integration time |
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| 228 | REAL(kind=dp):: time |
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| 229 | ! TEMP - Temperature |
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| 230 | REAL(kind=dp):: temp |
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| 231 | ! ATOL - Absolute tolerance |
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| 232 | REAL(kind=dp):: atol(nvar) |
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| 233 | ! RTOL - Relative tolerance |
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| 234 | REAL(kind=dp):: rtol(nvar) |
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| 235 | ! STEPMIN - Lower bound for integration step |
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| 236 | REAL(kind=dp):: stepmin |
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| 237 | ! CFACTOR - Conversion factor for concentration units |
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| 238 | REAL(kind=dp):: cfactor |
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| 239 | |
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| 240 | ! INLINED global variable declarations |
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| 241 | |
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| 242 | ! QVAP - Water vapor |
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| 243 | REAL(kind=dp):: qvap |
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| 244 | ! FAKT - Conversion factor |
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| 245 | REAL(kind=dp):: fakt |
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| 246 | |
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| 247 | ! CS_MECH for check of mechanism name with namelist |
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| 248 | CHARACTER(len=30):: cs_mech |
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| 249 | |
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| 250 | ! INLINED global variable declarations |
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| 251 | |
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| 252 | |
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| 253 | |
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| 254 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 255 | ! |
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| 256 | ! Sparse Jacobian Data Structures File |
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| 257 | ! |
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| 258 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 259 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 260 | ! KPP is distributed under GPL,the general public licence |
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| 261 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 262 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 263 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 264 | ! With important contributions from: |
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| 265 | ! M. Damian,Villanova University,USA |
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| 266 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 267 | ! |
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| 268 | ! File : chem_gasphase_mod_JacobianSP.f90 |
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[4016] | 269 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 270 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 271 | ! Equation file : chem_gasphase_mod.kpp |
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| 272 | ! Output root filename : chem_gasphase_mod |
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| 273 | ! |
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| 274 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 275 | |
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| 276 | |
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| 277 | |
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| 278 | |
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| 279 | |
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| 280 | |
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| 281 | ! Sparse Jacobian Data |
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| 282 | |
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| 283 | |
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| 284 | INTEGER, PARAMETER, DIMENSION(38):: lu_irow = (/ & |
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| 285 | 1, 2, 2, 2, 3, 3, 3, 4, 4, 5, 5, 5, & |
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| 286 | 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, & |
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| 287 | 8, 8, 8, 9, 9, 9, 9, 9, 10, 10, 10, 10, & |
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| 288 | 10, 10 /) |
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| 289 | |
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| 290 | INTEGER, PARAMETER, DIMENSION(38):: lu_icol = (/ & |
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| 291 | 1, 2, 7, 10, 3, 8, 9, 4, 7, 5, 8, 9, & |
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| 292 | 6, 9, 10, 4, 5, 6, 7, 8, 9, 10, 4, 7, & |
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| 293 | 8, 9, 10, 5, 6, 8, 9, 10, 5, 6, 7, 8, & |
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| 294 | 9, 10 /) |
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| 295 | |
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| 296 | INTEGER, PARAMETER, DIMENSION(11):: lu_crow = (/ & |
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| 297 | 1, 2, 5, 8, 10, 13, 16, 23, 28, 33, 39 /) |
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| 298 | |
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| 299 | INTEGER, PARAMETER, DIMENSION(11):: lu_diag = (/ & |
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| 300 | 1, 2, 5, 8, 10, 13, 19, 25, 31, 38, 39 /) |
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| 301 | |
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| 302 | |
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| 303 | |
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| 304 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 305 | ! |
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| 306 | ! Utility Data Module File |
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| 307 | ! |
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| 308 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 309 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 310 | ! KPP is distributed under GPL,the general public licence |
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| 311 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 312 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 313 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 314 | ! With important contributions from: |
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| 315 | ! M. Damian,Villanova University,USA |
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| 316 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 317 | ! |
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| 318 | ! File : chem_gasphase_mod_Monitor.f90 |
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[4016] | 319 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 320 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 321 | ! Equation file : chem_gasphase_mod.kpp |
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| 322 | ! Output root filename : chem_gasphase_mod |
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| 323 | ! |
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| 324 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 325 | |
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| 326 | |
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| 327 | |
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| 328 | |
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| 329 | |
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| 330 | CHARACTER(len=15), PARAMETER, DIMENSION(11):: spc_names = (/ & |
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| 331 | 'PM10 ','HNO3 ','RCHO ',& |
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| 332 | 'RH ','HO2 ','O3 ',& |
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| 333 | 'OH ','RO2 ','NO ',& |
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| 334 | 'NO2 ','H2O ' /) |
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| 335 | |
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| 336 | CHARACTER(len=100), PARAMETER, DIMENSION(8):: eqn_names = (/ & |
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| 337 | ' NO2 --> O3 + NO ',& |
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| 338 | 'O3 + H2O --> 2 OH ',& |
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| 339 | ' O3 + NO --> NO2 ',& |
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| 340 | ' RH + OH --> RO2 + H2O ',& |
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| 341 | 'RO2 + NO --> RCHO + HO2 + NO2 ',& |
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| 342 | 'HO2 + NO --> OH + NO2 ',& |
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| 343 | 'OH + NO2 --> HNO3 ',& |
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| 344 | ' PM10 --> PM10 ' /) |
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| 345 | |
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| 346 | ! INLINED global variables |
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| 347 | |
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| 348 | ! inline f90_data: declaration of global variables for photolysis |
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| 349 | ! REAL(kind=dp):: phot(nphot)must eventually be moved to global later for |
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| 350 | INTEGER, PARAMETER :: nphot = 2 |
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| 351 | ! phot photolysis frequencies |
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| 352 | REAL(kind=dp):: phot(nphot) |
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| 353 | |
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| 354 | INTEGER, PARAMETER, PUBLIC :: j_no2 = 1 |
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| 355 | INTEGER, PARAMETER, PUBLIC :: j_o31d = 2 |
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| 356 | |
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| 357 | CHARACTER(len=15), PARAMETER, DIMENSION(nphot):: phot_names = (/ & |
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| 358 | 'J_NO2 ','J_O31D '/) |
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| 359 | |
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| 360 | ! End INLINED global variables |
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| 361 | |
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| 362 | |
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| 363 | ! Automatic generated PUBLIC Statements for ip_ and ihs_ variables |
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| 364 | |
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| 365 | ! Automatic generated PUBLIC Statements for ip_ and ihs_ variables |
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| 366 | |
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| 367 | ! Automatic generated PUBLIC Statements for ip_ and ihs_ variables |
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| 368 | |
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| 369 | ! Automatic generated PUBLIC Statements for ip_ and ihs_ variables |
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| 370 | |
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| 371 | |
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| 372 | ! variable definations from individual module headers |
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| 373 | |
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| 374 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 375 | ! |
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| 376 | ! Initialization File |
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| 377 | ! |
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| 378 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 379 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 380 | ! KPP is distributed under GPL,the general public licence |
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| 381 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 382 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 383 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 384 | ! With important contributions from: |
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| 385 | ! M. Damian,Villanova University,USA |
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| 386 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 387 | ! |
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| 388 | ! File : chem_gasphase_mod_Initialize.f90 |
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[4016] | 389 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 390 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 391 | ! Equation file : chem_gasphase_mod.kpp |
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| 392 | ! Output root filename : chem_gasphase_mod |
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| 393 | ! |
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| 394 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 395 | |
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| 396 | |
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| 397 | |
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| 398 | |
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| 399 | |
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| 400 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 401 | ! |
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| 402 | ! Numerical Integrator (Time-Stepping) File |
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| 403 | ! |
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| 404 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 405 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 406 | ! KPP is distributed under GPL,the general public licence |
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| 407 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 408 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 409 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 410 | ! With important contributions from: |
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| 411 | ! M. Damian,Villanova University,USA |
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| 412 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 413 | ! |
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| 414 | ! File : chem_gasphase_mod_Integrator.f90 |
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[4016] | 415 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 416 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 417 | ! Equation file : chem_gasphase_mod.kpp |
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| 418 | ! Output root filename : chem_gasphase_mod |
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| 419 | ! |
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| 420 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 421 | |
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| 422 | |
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| 423 | |
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| 424 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 425 | ! |
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| 426 | ! INTEGRATE - Integrator routine |
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| 427 | ! Arguments : |
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| 428 | ! TIN - Start Time for Integration |
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| 429 | ! TOUT - End Time for Integration |
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| 430 | ! |
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| 431 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 432 | |
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| 433 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~! |
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| 434 | ! Rosenbrock - Implementation of several Rosenbrock methods: ! |
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| 435 | ! *Ros2 ! |
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| 436 | ! *Ros3 ! |
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| 437 | ! *Ros4 ! |
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| 438 | ! *Rodas3 ! |
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| 439 | ! *Rodas4 ! |
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| 440 | ! By default the code employs the KPP sparse linear algebra routines ! |
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| 441 | ! Compile with -DFULL_ALGEBRA to use full linear algebra (LAPACK) ! |
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| 442 | ! ! |
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| 443 | ! (C) Adrian Sandu,August 2004 ! |
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| 444 | ! Virginia Polytechnic Institute and State University ! |
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| 445 | ! Contact: sandu@cs.vt.edu ! |
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| 446 | ! Revised by Philipp Miehe and Adrian Sandu,May 2006 ! ! |
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| 447 | ! This implementation is part of KPP - the Kinetic PreProcessor ! |
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| 448 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~! |
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| 449 | |
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| 450 | |
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| 451 | SAVE |
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| 452 | |
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| 453 | !~~~> statistics on the work performed by the rosenbrock method |
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| 454 | INTEGER, PARAMETER :: nfun=1, njac=2, nstp=3, nacc=4, & |
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| 455 | nrej=5, ndec=6, nsol=7, nsng=8, & |
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| 456 | ntexit=1, nhexit=2, nhnew = 3 |
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| 457 | |
---|
| 458 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 459 | ! |
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| 460 | ! Linear Algebra Data and Routines File |
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| 461 | ! |
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| 462 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 463 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 464 | ! KPP is distributed under GPL,the general public licence |
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| 465 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 466 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 467 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 468 | ! With important contributions from: |
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| 469 | ! M. Damian,Villanova University,USA |
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| 470 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 471 | ! |
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| 472 | ! File : chem_gasphase_mod_LinearAlgebra.f90 |
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[4016] | 473 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 474 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 475 | ! Equation file : chem_gasphase_mod.kpp |
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| 476 | ! Output root filename : chem_gasphase_mod |
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| 477 | ! |
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| 478 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 479 | |
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| 480 | |
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| 481 | |
---|
| 482 | |
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| 483 | |
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| 484 | |
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| 485 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 486 | ! |
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| 487 | ! The ODE Jacobian of Chemical Model File |
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| 488 | ! |
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| 489 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 490 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 491 | ! KPP is distributed under GPL,the general public licence |
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| 492 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 493 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 494 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 495 | ! With important contributions from: |
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| 496 | ! M. Damian,Villanova University,USA |
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| 497 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 498 | ! |
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| 499 | ! File : chem_gasphase_mod_Jacobian.f90 |
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[4016] | 500 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 501 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 502 | ! Equation file : chem_gasphase_mod.kpp |
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| 503 | ! Output root filename : chem_gasphase_mod |
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| 504 | ! |
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| 505 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 506 | |
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| 507 | |
---|
| 508 | |
---|
| 509 | |
---|
| 510 | |
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| 511 | |
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| 512 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 513 | ! |
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| 514 | ! The ODE Function of Chemical Model File |
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| 515 | ! |
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| 516 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 517 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 518 | ! KPP is distributed under GPL,the general public licence |
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| 519 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 520 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
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| 521 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 522 | ! With important contributions from: |
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| 523 | ! M. Damian,Villanova University,USA |
---|
| 524 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 525 | ! |
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| 526 | ! File : chem_gasphase_mod_Function.f90 |
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[4016] | 527 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 528 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 529 | ! Equation file : chem_gasphase_mod.kpp |
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| 530 | ! Output root filename : chem_gasphase_mod |
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| 531 | ! |
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| 532 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 533 | |
---|
| 534 | |
---|
| 535 | |
---|
| 536 | |
---|
| 537 | |
---|
| 538 | ! A - Rate for each equation |
---|
| 539 | REAL(kind=dp):: a(nreact) |
---|
| 540 | |
---|
| 541 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 542 | ! |
---|
| 543 | ! The Reaction Rates File |
---|
| 544 | ! |
---|
| 545 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 546 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
---|
| 547 | ! KPP is distributed under GPL,the general public licence |
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| 548 | ! (http://www.gnu.org/copyleft/gpl.html) |
---|
| 549 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
---|
| 550 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
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| 551 | ! With important contributions from: |
---|
| 552 | ! M. Damian,Villanova University,USA |
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| 553 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
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| 554 | ! |
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| 555 | ! File : chem_gasphase_mod_Rates.f90 |
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[4016] | 556 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 557 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 558 | ! Equation file : chem_gasphase_mod.kpp |
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| 559 | ! Output root filename : chem_gasphase_mod |
---|
| 560 | ! |
---|
| 561 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 562 | |
---|
| 563 | |
---|
| 564 | |
---|
| 565 | |
---|
| 566 | |
---|
| 567 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 568 | ! |
---|
| 569 | ! Auxiliary Routines File |
---|
| 570 | ! |
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| 571 | ! Generated by KPP-2.2.3 symbolic chemistry Kinetics PreProcessor |
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| 572 | ! (http://www.cs.vt.edu/~asandu/Software/KPP) |
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| 573 | ! KPP is distributed under GPL,the general public licence |
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| 574 | ! (http://www.gnu.org/copyleft/gpl.html) |
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| 575 | ! (C) 1995-1997,V. Damian & A. Sandu,CGRER,Univ. Iowa |
---|
| 576 | ! (C) 1997-2005,A. Sandu,Michigan Tech,Virginia Tech |
---|
| 577 | ! With important contributions from: |
---|
| 578 | ! M. Damian,Villanova University,USA |
---|
| 579 | ! R. Sander,Max-Planck Institute for Chemistry,Mainz,Germany |
---|
| 580 | ! |
---|
| 581 | ! File : chem_gasphase_mod_Util.f90 |
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[4016] | 582 | ! Time : Mon Jun 3 17:42:30 2019 |
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| 583 | ! Working directory : /home/forkel-r/palmstuff/work/trunk20190603/UTIL/chemistry/gasphase_preproc/tmp_kpp4palm |
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[3944] | 584 | ! Equation file : chem_gasphase_mod.kpp |
---|
| 585 | ! Output root filename : chem_gasphase_mod |
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| 586 | ! |
---|
| 587 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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| 588 | |
---|
| 589 | |
---|
| 590 | |
---|
| 591 | |
---|
| 592 | |
---|
| 593 | |
---|
| 594 | ! header MODULE initialize_kpp_ctrl_template |
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| 595 | |
---|
| 596 | ! notes: |
---|
| 597 | ! - l_vector is automatically defined by kp4 |
---|
| 598 | ! - vl_dim is automatically defined by kp4 |
---|
| 599 | ! - i_lu_di is automatically defined by kp4 |
---|
| 600 | ! - wanted is automatically defined by xmecca |
---|
| 601 | ! - icntrl rcntrl are automatically defined by kpp |
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| 602 | ! - "USE messy_main_tools" is in MODULE_header of messy_mecca_kpp.f90 |
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| 603 | ! - SAVE will be automatically added by kp4 |
---|
| 604 | |
---|
| 605 | !SAVE |
---|
| 606 | |
---|
| 607 | ! for fixed time step control |
---|
| 608 | ! ... max. number of fixed time steps (sum must be 1) |
---|
| 609 | INTEGER, PARAMETER :: nmaxfixsteps = 50 |
---|
| 610 | ! ... switch for fixed time stepping |
---|
| 611 | LOGICAL, PUBLIC :: l_fixed_step = .FALSE. |
---|
| 612 | INTEGER, PUBLIC :: nfsteps = 1 |
---|
| 613 | ! ... number of kpp control PARAMETERs |
---|
| 614 | INTEGER, PARAMETER, PUBLIC :: nkppctrl = 20 |
---|
| 615 | ! |
---|
| 616 | ! steering PARAMETERs for chemistry solver (see kpp domumentation) |
---|
| 617 | INTEGER, DIMENSION(nkppctrl), PUBLIC :: icntrl = 0 |
---|
| 618 | REAL(dp), DIMENSION(nkppctrl), PUBLIC :: rcntrl = 0.0_dp |
---|
| 619 | ! t_steps: fixed time steps in vector mode |
---|
| 620 | REAL(dp), DIMENSION(nmaxfixsteps), PUBLIC :: t_steps = 0.0_dp |
---|
| 621 | |
---|
| 622 | ! END header MODULE initialize_kpp_ctrl_template |
---|
| 623 | |
---|
| 624 | |
---|
| 625 | ! Interface Block |
---|
| 626 | |
---|
| 627 | INTERFACE initialize |
---|
| 628 | MODULE PROCEDURE initialize |
---|
| 629 | END INTERFACE initialize |
---|
| 630 | |
---|
| 631 | INTERFACE integrate |
---|
| 632 | MODULE PROCEDURE integrate |
---|
| 633 | END INTERFACE integrate |
---|
| 634 | |
---|
| 635 | INTERFACE fun |
---|
| 636 | MODULE PROCEDURE fun |
---|
| 637 | END INTERFACE fun |
---|
| 638 | |
---|
| 639 | INTERFACE kppsolve |
---|
| 640 | MODULE PROCEDURE kppsolve |
---|
| 641 | END INTERFACE kppsolve |
---|
| 642 | |
---|
| 643 | INTERFACE jac_sp |
---|
| 644 | MODULE PROCEDURE jac_sp |
---|
| 645 | END INTERFACE jac_sp |
---|
| 646 | |
---|
| 647 | INTERFACE k_arr |
---|
| 648 | MODULE PROCEDURE k_arr |
---|
| 649 | END INTERFACE k_arr |
---|
| 650 | |
---|
| 651 | INTERFACE update_rconst |
---|
| 652 | MODULE PROCEDURE update_rconst |
---|
| 653 | END INTERFACE update_rconst |
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| 654 | |
---|
| 655 | INTERFACE arr2 |
---|
| 656 | MODULE PROCEDURE arr2 |
---|
| 657 | END INTERFACE arr2 |
---|
| 658 | |
---|
| 659 | INTERFACE initialize_kpp_ctrl |
---|
| 660 | MODULE PROCEDURE initialize_kpp_ctrl |
---|
| 661 | END INTERFACE initialize_kpp_ctrl |
---|
| 662 | |
---|
| 663 | INTERFACE error_output |
---|
| 664 | MODULE PROCEDURE error_output |
---|
| 665 | END INTERFACE error_output |
---|
| 666 | |
---|
| 667 | INTERFACE wscal |
---|
| 668 | MODULE PROCEDURE wscal |
---|
| 669 | END INTERFACE wscal |
---|
| 670 | |
---|
| 671 | !INTERFACE not working INTERFACE waxpy |
---|
| 672 | !INTERFACE not working MODULE PROCEDURE waxpy |
---|
| 673 | !INTERFACE not working END INTERFACE waxpy |
---|
| 674 | |
---|
| 675 | INTERFACE rosenbrock |
---|
| 676 | MODULE PROCEDURE rosenbrock |
---|
| 677 | END INTERFACE rosenbrock |
---|
| 678 | |
---|
| 679 | INTERFACE funtemplate |
---|
| 680 | MODULE PROCEDURE funtemplate |
---|
| 681 | END INTERFACE funtemplate |
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| 682 | |
---|
| 683 | INTERFACE jactemplate |
---|
| 684 | MODULE PROCEDURE jactemplate |
---|
| 685 | END INTERFACE jactemplate |
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| 686 | |
---|
| 687 | INTERFACE kppdecomp |
---|
| 688 | MODULE PROCEDURE kppdecomp |
---|
| 689 | END INTERFACE kppdecomp |
---|
| 690 | |
---|
| 691 | INTERFACE get_mechanism_name |
---|
| 692 | MODULE PROCEDURE get_mechanism_name |
---|
| 693 | END INTERFACE get_mechanism_name |
---|
| 694 | |
---|
| 695 | INTERFACE chem_gasphase_integrate |
---|
| 696 | MODULE PROCEDURE chem_gasphase_integrate |
---|
| 697 | END INTERFACE chem_gasphase_integrate |
---|
| 698 | |
---|
| 699 | |
---|
| 700 | ! openmp directives generated by kp4 |
---|
| 701 | |
---|
| 702 | !$OMP THREADPRIVATE (vl, vl_glo, is, ie, data_loaded) |
---|
| 703 | !$OMP THREADPRIVATE (c, var, fix, rconst, time, temp, stepmin, cfactor) |
---|
| 704 | !$OMP THREADPRIVATE (qvap, fakt, cs_mech, a, icntrl, rcntrl) |
---|
| 705 | |
---|
| 706 | CONTAINS |
---|
| 707 | |
---|
| 708 | SUBROUTINE initialize() |
---|
| 709 | |
---|
| 710 | |
---|
| 711 | INTEGER :: k |
---|
| 712 | |
---|
| 713 | INTEGER :: i |
---|
| 714 | REAL(kind=dp):: x |
---|
| 715 | k = is |
---|
| 716 | cfactor = 1.000000e+00_dp |
---|
| 717 | ! |
---|
| 718 | ! Following line is just to avoid compiler message about unused variables |
---|
| 719 | IF ( lu_crow(1) == 1 .OR. lu_icol(1) == 1 .OR. lu_irow(1) == 1 ) CONTINUE |
---|
| 720 | ! |
---|
| 721 | |
---|
| 722 | x = (0.) * cfactor |
---|
| 723 | DO i = 1 , nvar |
---|
| 724 | ENDDO |
---|
| 725 | |
---|
| 726 | x = (0.) * cfactor |
---|
| 727 | DO i = 1 , nfix |
---|
| 728 | fix(i) = x |
---|
| 729 | ENDDO |
---|
| 730 | |
---|
| 731 | ! constant rate coefficients |
---|
| 732 | ! END constant rate coefficients |
---|
| 733 | |
---|
| 734 | ! INLINED initializations |
---|
| 735 | |
---|
[4016] | 736 | fix(indf_h2o) = qvap |
---|
| 737 | |
---|
[3944] | 738 | ! End INLINED initializations |
---|
| 739 | |
---|
| 740 | |
---|
| 741 | END SUBROUTINE initialize |
---|
| 742 | |
---|
| 743 | SUBROUTINE integrate( tin, tout, & |
---|
| 744 | icntrl_u, rcntrl_u, istatus_u, rstatus_u, ierr_u) |
---|
| 745 | |
---|
| 746 | |
---|
| 747 | REAL(kind=dp), INTENT(IN):: tin ! start time |
---|
| 748 | REAL(kind=dp), INTENT(IN):: tout ! END time |
---|
| 749 | ! OPTIONAL input PARAMETERs and statistics |
---|
| 750 | INTEGER, INTENT(IN), OPTIONAL :: icntrl_u(20) |
---|
| 751 | REAL(kind=dp), INTENT(IN), OPTIONAL :: rcntrl_u(20) |
---|
| 752 | INTEGER, INTENT(OUT), OPTIONAL :: istatus_u(20) |
---|
| 753 | REAL(kind=dp), INTENT(OUT), OPTIONAL :: rstatus_u(20) |
---|
| 754 | INTEGER, INTENT(OUT), OPTIONAL :: ierr_u |
---|
| 755 | |
---|
| 756 | REAL(kind=dp):: rcntrl(20), rstatus(20) |
---|
| 757 | INTEGER :: icntrl(20), istatus(20), ierr |
---|
| 758 | |
---|
| 759 | |
---|
| 760 | icntrl(:) = 0 |
---|
| 761 | rcntrl(:) = 0.0_dp |
---|
| 762 | istatus(:) = 0 |
---|
| 763 | rstatus(:) = 0.0_dp |
---|
| 764 | |
---|
| 765 | !~~~> fine-tune the integrator: |
---|
| 766 | icntrl(1) = 0 ! 0 - non- autonomous, 1 - autonomous |
---|
| 767 | icntrl(2) = 0 ! 0 - vector tolerances, 1 - scalars |
---|
| 768 | |
---|
| 769 | ! IF OPTIONAL PARAMETERs are given, and IF they are >0, |
---|
| 770 | ! THEN they overwrite default settings. |
---|
| 771 | IF (PRESENT(icntrl_u))THEN |
---|
| 772 | WHERE(icntrl_u(:)> 0)icntrl(:) = icntrl_u(:) |
---|
| 773 | ENDIF |
---|
| 774 | IF (PRESENT(rcntrl_u))THEN |
---|
| 775 | WHERE(rcntrl_u(:)> 0)rcntrl(:) = rcntrl_u(:) |
---|
| 776 | ENDIF |
---|
| 777 | |
---|
| 778 | |
---|
| 779 | CALL rosenbrock(nvar, var, tin, tout, & |
---|
| 780 | atol, rtol, & |
---|
| 781 | rcntrl, icntrl, rstatus, istatus, ierr) |
---|
| 782 | |
---|
| 783 | !~~~> debug option: show no of steps |
---|
| 784 | ! ntotal = ntotal + istatus(nstp) |
---|
| 785 | ! PRINT*,'NSTEPS=',ISTATUS(Nstp),' (',Ntotal,')',' O3=',VAR(ind_O3) |
---|
| 786 | |
---|
| 787 | stepmin = rstatus(nhexit) |
---|
| 788 | ! IF OPTIONAL PARAMETERs are given for output they |
---|
| 789 | ! are updated with the RETURN information |
---|
| 790 | IF (PRESENT(istatus_u))istatus_u(:) = istatus(:) |
---|
| 791 | IF (PRESENT(rstatus_u))rstatus_u(:) = rstatus(:) |
---|
| 792 | IF (PRESENT(ierr_u)) ierr_u = ierr |
---|
| 793 | |
---|
| 794 | END SUBROUTINE integrate |
---|
| 795 | |
---|
| 796 | SUBROUTINE fun(v, f, rct, vdot) |
---|
| 797 | |
---|
| 798 | ! V - Concentrations of variable species (local) |
---|
| 799 | REAL(kind=dp):: v(nvar) |
---|
| 800 | ! F - Concentrations of fixed species (local) |
---|
| 801 | REAL(kind=dp):: f(nfix) |
---|
| 802 | ! RCT - Rate constants (local) |
---|
| 803 | REAL(kind=dp):: rct(nreact) |
---|
| 804 | ! Vdot - Time derivative of variable species concentrations |
---|
| 805 | REAL(kind=dp):: vdot(nvar) |
---|
| 806 | |
---|
| 807 | |
---|
| 808 | ! Following line is just to avoid compiler message about unused variables |
---|
| 809 | IF ( f(nfix) > 0.0_dp ) CONTINUE |
---|
| 810 | ! |
---|
| 811 | ! Computation of equation rates |
---|
| 812 | a(1) = rct(1) * v(10) |
---|
| 813 | a(2) = rct(2) * v(6) * f(1) |
---|
| 814 | a(3) = rct(3) * v(6) * v(9) |
---|
| 815 | a(4) = rct(4) * v(4) * v(7) |
---|
| 816 | a(5) = rct(5) * v(8) * v(9) |
---|
| 817 | a(6) = rct(6) * v(5) * v(9) |
---|
| 818 | a(7) = rct(7) * v(7) * v(10) |
---|
| 819 | |
---|
| 820 | ! Aggregate function |
---|
| 821 | vdot(1) = 0 |
---|
| 822 | vdot(2) = a(7) |
---|
| 823 | vdot(3) = a(5) |
---|
| 824 | vdot(4) = - a(4) |
---|
| 825 | vdot(5) = a(5) - a(6) |
---|
| 826 | vdot(6) = a(1) - a(2) - a(3) |
---|
| 827 | vdot(7) = 2* a(2) - a(4) + a(6) - a(7) |
---|
| 828 | vdot(8) = a(4) - a(5) |
---|
| 829 | vdot(9) = a(1) - a(3) - a(5) - a(6) |
---|
| 830 | vdot(10) = - a(1) + a(3) + a(5) + a(6) - a(7) |
---|
| 831 | |
---|
| 832 | END SUBROUTINE fun |
---|
| 833 | |
---|
| 834 | SUBROUTINE kppsolve(jvs, x) |
---|
| 835 | |
---|
| 836 | ! JVS - sparse Jacobian of variables |
---|
| 837 | REAL(kind=dp):: jvs(lu_nonzero) |
---|
| 838 | ! X - Vector for variables |
---|
| 839 | REAL(kind=dp):: x(nvar) |
---|
| 840 | |
---|
| 841 | x(7) = x(7) - jvs(16) * x(4) - jvs(17) * x(5) - jvs(18) * x(6) |
---|
| 842 | x(8) = x(8) - jvs(23) * x(4) - jvs(24) * x(7) |
---|
| 843 | x(9) = x(9) - jvs(28) * x(5) - jvs(29) * x(6) - jvs(30) * x(8) |
---|
| 844 | x(10) = x(10) - jvs(33) * x(5) - jvs(34) * x(6) - jvs(35) * x(7) - jvs(36) * x(8) - jvs(37) * x(9) |
---|
| 845 | x(10) = x(10) / jvs(38) |
---|
| 846 | x(9) = (x(9) - jvs(32) * x(10)) /(jvs(31)) |
---|
| 847 | x(8) = (x(8) - jvs(26) * x(9) - jvs(27) * x(10)) /(jvs(25)) |
---|
| 848 | x(7) = (x(7) - jvs(20) * x(8) - jvs(21) * x(9) - jvs(22) * x(10)) /(jvs(19)) |
---|
| 849 | x(6) = (x(6) - jvs(14) * x(9) - jvs(15) * x(10)) /(jvs(13)) |
---|
| 850 | x(5) = (x(5) - jvs(11) * x(8) - jvs(12) * x(9)) /(jvs(10)) |
---|
| 851 | x(4) = (x(4) - jvs(9) * x(7)) /(jvs(8)) |
---|
| 852 | x(3) = (x(3) - jvs(6) * x(8) - jvs(7) * x(9)) /(jvs(5)) |
---|
| 853 | x(2) = (x(2) - jvs(3) * x(7) - jvs(4) * x(10)) /(jvs(2)) |
---|
| 854 | x(1) = x(1) / jvs(1) |
---|
| 855 | |
---|
| 856 | END SUBROUTINE kppsolve |
---|
| 857 | |
---|
| 858 | SUBROUTINE jac_sp(v, f, rct, jvs) |
---|
| 859 | |
---|
| 860 | ! V - Concentrations of variable species (local) |
---|
| 861 | REAL(kind=dp):: v(nvar) |
---|
| 862 | ! F - Concentrations of fixed species (local) |
---|
| 863 | REAL(kind=dp):: f(nfix) |
---|
| 864 | ! RCT - Rate constants (local) |
---|
| 865 | REAL(kind=dp):: rct(nreact) |
---|
| 866 | ! JVS - sparse Jacobian of variables |
---|
| 867 | REAL(kind=dp):: jvs(lu_nonzero) |
---|
| 868 | |
---|
| 869 | |
---|
| 870 | ! Local variables |
---|
| 871 | ! B - Temporary array |
---|
| 872 | REAL(kind=dp):: b(14) |
---|
| 873 | ! |
---|
| 874 | ! Following line is just to avoid compiler message about unused variables |
---|
| 875 | IF ( f(nfix) > 0.0_dp ) CONTINUE |
---|
| 876 | |
---|
| 877 | ! B(1) = dA(1)/dV(10) |
---|
| 878 | b(1) = rct(1) |
---|
| 879 | ! B(2) = dA(2)/dV(6) |
---|
| 880 | b(2) = rct(2) * f(1) |
---|
| 881 | ! B(4) = dA(3)/dV(6) |
---|
| 882 | b(4) = rct(3) * v(9) |
---|
| 883 | ! B(5) = dA(3)/dV(9) |
---|
| 884 | b(5) = rct(3) * v(6) |
---|
| 885 | ! B(6) = dA(4)/dV(4) |
---|
| 886 | b(6) = rct(4) * v(7) |
---|
| 887 | ! B(7) = dA(4)/dV(7) |
---|
| 888 | b(7) = rct(4) * v(4) |
---|
| 889 | ! B(8) = dA(5)/dV(8) |
---|
| 890 | b(8) = rct(5) * v(9) |
---|
| 891 | ! B(9) = dA(5)/dV(9) |
---|
| 892 | b(9) = rct(5) * v(8) |
---|
| 893 | ! B(10) = dA(6)/dV(5) |
---|
| 894 | b(10) = rct(6) * v(9) |
---|
| 895 | ! B(11) = dA(6)/dV(9) |
---|
| 896 | b(11) = rct(6) * v(5) |
---|
| 897 | ! B(12) = dA(7)/dV(7) |
---|
| 898 | b(12) = rct(7) * v(10) |
---|
| 899 | ! B(13) = dA(7)/dV(10) |
---|
| 900 | b(13) = rct(7) * v(7) |
---|
| 901 | ! B(14) = dA(8)/dV(1) |
---|
| 902 | b(14) = rct(8) |
---|
| 903 | |
---|
| 904 | ! Construct the Jacobian terms from B's |
---|
| 905 | ! JVS(1) = Jac_FULL(1,1) |
---|
| 906 | jvs(1) = 0 |
---|
| 907 | ! JVS(2) = Jac_FULL(2,2) |
---|
| 908 | jvs(2) = 0 |
---|
| 909 | ! JVS(3) = Jac_FULL(2,7) |
---|
| 910 | jvs(3) = b(12) |
---|
| 911 | ! JVS(4) = Jac_FULL(2,10) |
---|
| 912 | jvs(4) = b(13) |
---|
| 913 | ! JVS(5) = Jac_FULL(3,3) |
---|
| 914 | jvs(5) = 0 |
---|
| 915 | ! JVS(6) = Jac_FULL(3,8) |
---|
| 916 | jvs(6) = b(8) |
---|
| 917 | ! JVS(7) = Jac_FULL(3,9) |
---|
| 918 | jvs(7) = b(9) |
---|
| 919 | ! JVS(8) = Jac_FULL(4,4) |
---|
| 920 | jvs(8) = - b(6) |
---|
| 921 | ! JVS(9) = Jac_FULL(4,7) |
---|
| 922 | jvs(9) = - b(7) |
---|
| 923 | ! JVS(10) = Jac_FULL(5,5) |
---|
| 924 | jvs(10) = - b(10) |
---|
| 925 | ! JVS(11) = Jac_FULL(5,8) |
---|
| 926 | jvs(11) = b(8) |
---|
| 927 | ! JVS(12) = Jac_FULL(5,9) |
---|
| 928 | jvs(12) = b(9) - b(11) |
---|
| 929 | ! JVS(13) = Jac_FULL(6,6) |
---|
| 930 | jvs(13) = - b(2) - b(4) |
---|
| 931 | ! JVS(14) = Jac_FULL(6,9) |
---|
| 932 | jvs(14) = - b(5) |
---|
| 933 | ! JVS(15) = Jac_FULL(6,10) |
---|
| 934 | jvs(15) = b(1) |
---|
| 935 | ! JVS(16) = Jac_FULL(7,4) |
---|
| 936 | jvs(16) = - b(6) |
---|
| 937 | ! JVS(17) = Jac_FULL(7,5) |
---|
| 938 | jvs(17) = b(10) |
---|
| 939 | ! JVS(18) = Jac_FULL(7,6) |
---|
| 940 | jvs(18) = 2* b(2) |
---|
| 941 | ! JVS(19) = Jac_FULL(7,7) |
---|
| 942 | jvs(19) = - b(7) - b(12) |
---|
| 943 | ! JVS(20) = Jac_FULL(7,8) |
---|
| 944 | jvs(20) = 0 |
---|
| 945 | ! JVS(21) = Jac_FULL(7,9) |
---|
| 946 | jvs(21) = b(11) |
---|
| 947 | ! JVS(22) = Jac_FULL(7,10) |
---|
| 948 | jvs(22) = - b(13) |
---|
| 949 | ! JVS(23) = Jac_FULL(8,4) |
---|
| 950 | jvs(23) = b(6) |
---|
| 951 | ! JVS(24) = Jac_FULL(8,7) |
---|
| 952 | jvs(24) = b(7) |
---|
| 953 | ! JVS(25) = Jac_FULL(8,8) |
---|
| 954 | jvs(25) = - b(8) |
---|
| 955 | ! JVS(26) = Jac_FULL(8,9) |
---|
| 956 | jvs(26) = - b(9) |
---|
| 957 | ! JVS(27) = Jac_FULL(8,10) |
---|
| 958 | jvs(27) = 0 |
---|
| 959 | ! JVS(28) = Jac_FULL(9,5) |
---|
| 960 | jvs(28) = - b(10) |
---|
| 961 | ! JVS(29) = Jac_FULL(9,6) |
---|
| 962 | jvs(29) = - b(4) |
---|
| 963 | ! JVS(30) = Jac_FULL(9,8) |
---|
| 964 | jvs(30) = - b(8) |
---|
| 965 | ! JVS(31) = Jac_FULL(9,9) |
---|
| 966 | jvs(31) = - b(5) - b(9) - b(11) |
---|
| 967 | ! JVS(32) = Jac_FULL(9,10) |
---|
| 968 | jvs(32) = b(1) |
---|
| 969 | ! JVS(33) = Jac_FULL(10,5) |
---|
| 970 | jvs(33) = b(10) |
---|
| 971 | ! JVS(34) = Jac_FULL(10,6) |
---|
| 972 | jvs(34) = b(4) |
---|
| 973 | ! JVS(35) = Jac_FULL(10,7) |
---|
| 974 | jvs(35) = - b(12) |
---|
| 975 | ! JVS(36) = Jac_FULL(10,8) |
---|
| 976 | jvs(36) = b(8) |
---|
| 977 | ! JVS(37) = Jac_FULL(10,9) |
---|
| 978 | jvs(37) = b(5) + b(9) + b(11) |
---|
| 979 | ! JVS(38) = Jac_FULL(10,10) |
---|
| 980 | jvs(38) = - b(1) - b(13) |
---|
| 981 | |
---|
| 982 | END SUBROUTINE jac_sp |
---|
| 983 | |
---|
| 984 | elemental REAL(kind=dp)FUNCTION k_arr (k_298, tdep, temp) |
---|
| 985 | ! arrhenius FUNCTION |
---|
| 986 | |
---|
| 987 | REAL, INTENT(IN):: k_298 ! k at t = 298.15k |
---|
| 988 | REAL, INTENT(IN):: tdep ! temperature dependence |
---|
| 989 | REAL(kind=dp), INTENT(IN):: temp ! temperature |
---|
| 990 | |
---|
| 991 | intrinsic exp |
---|
| 992 | |
---|
| 993 | k_arr = k_298 * exp(tdep* (1._dp/temp- 3.3540e-3_dp))! 1/298.15=3.3540e-3 |
---|
| 994 | |
---|
| 995 | END FUNCTION k_arr |
---|
| 996 | |
---|
| 997 | SUBROUTINE update_rconst() |
---|
| 998 | INTEGER :: k |
---|
| 999 | |
---|
| 1000 | k = is |
---|
| 1001 | |
---|
| 1002 | ! Begin INLINED RCONST |
---|
| 1003 | |
---|
| 1004 | |
---|
| 1005 | ! End INLINED RCONST |
---|
| 1006 | |
---|
| 1007 | rconst(1) = (phot(j_no2)) |
---|
| 1008 | rconst(2) = (2.0_dp * 2.2e-10_dp * phot(j_o31d) / (arr2(1.9e+8_dp , -390.0_dp , temp))) |
---|
| 1009 | rconst(3) = (arr2(1.8e-12_dp , 1370.0_dp , temp)) |
---|
| 1010 | rconst(4) = (arr2(2.e-11_dp , 500.0_dp , temp)) |
---|
| 1011 | rconst(5) = (arr2(4.2e-12_dp , -180.0_dp , temp)) |
---|
| 1012 | rconst(6) = (arr2(3.7e-12_dp , -240.0_dp , temp)) |
---|
| 1013 | rconst(7) = (arr2(1.15e-11_dp , 0.0_dp , temp)) |
---|
| 1014 | rconst(8) = (1.0_dp) |
---|
| 1015 | |
---|
| 1016 | END SUBROUTINE update_rconst |
---|
| 1017 | |
---|
| 1018 | ! END FUNCTION ARR2 |
---|
| 1019 | REAL(kind=dp)FUNCTION arr2( a0, b0, temp) |
---|
| 1020 | REAL(kind=dp):: temp |
---|
| 1021 | REAL(kind=dp):: a0, b0 |
---|
| 1022 | arr2 = a0 * exp( - b0 / temp) |
---|
| 1023 | END FUNCTION arr2 |
---|
| 1024 | |
---|
| 1025 | SUBROUTINE initialize_kpp_ctrl(status) |
---|
| 1026 | |
---|
| 1027 | |
---|
| 1028 | ! i/o |
---|
| 1029 | INTEGER, INTENT(OUT):: status |
---|
| 1030 | |
---|
| 1031 | ! local |
---|
| 1032 | REAL(dp):: tsum |
---|
| 1033 | INTEGER :: i |
---|
| 1034 | |
---|
| 1035 | ! check fixed time steps |
---|
| 1036 | tsum = 0.0_dp |
---|
| 1037 | DO i=1, nmaxfixsteps |
---|
| 1038 | IF (t_steps(i)< tiny(0.0_dp))exit |
---|
| 1039 | tsum = tsum + t_steps(i) |
---|
| 1040 | ENDDO |
---|
| 1041 | |
---|
| 1042 | nfsteps = i- 1 |
---|
| 1043 | |
---|
| 1044 | l_fixed_step = (nfsteps > 0).and.((tsum - 1.0)< tiny(0.0_dp)) |
---|
| 1045 | |
---|
| 1046 | IF (l_vector)THEN |
---|
| 1047 | WRITE(*,*) ' MODE : VECTOR (LENGTH=',VL_DIM,')' |
---|
| 1048 | ELSE |
---|
| 1049 | WRITE(*,*) ' MODE : SCALAR' |
---|
| 1050 | ENDIF |
---|
| 1051 | ! |
---|
| 1052 | WRITE(*,*) ' DE-INDEXING MODE :',I_LU_DI |
---|
| 1053 | ! |
---|
| 1054 | WRITE(*,*) ' ICNTRL : ',icntrl |
---|
| 1055 | WRITE(*,*) ' RCNTRL : ',rcntrl |
---|
| 1056 | ! |
---|
| 1057 | ! note: this is ONLY meaningful for vectorized (kp4)rosenbrock- methods |
---|
| 1058 | IF (l_vector)THEN |
---|
| 1059 | IF (l_fixed_step)THEN |
---|
| 1060 | WRITE(*,*) ' TIME STEPS : FIXED (',t_steps(1:nfsteps),')' |
---|
| 1061 | ELSE |
---|
| 1062 | WRITE(*,*) ' TIME STEPS : AUTOMATIC' |
---|
| 1063 | ENDIF |
---|
| 1064 | ELSE |
---|
| 1065 | WRITE(*,*) ' TIME STEPS : AUTOMATIC '//& |
---|
| 1066 | &'(t_steps (CTRL_KPP) ignored in SCALAR MODE)' |
---|
| 1067 | ENDIF |
---|
| 1068 | ! mz_pj_20070531- |
---|
| 1069 | |
---|
| 1070 | status = 0 |
---|
| 1071 | |
---|
| 1072 | |
---|
| 1073 | END SUBROUTINE initialize_kpp_ctrl |
---|
| 1074 | |
---|
| 1075 | SUBROUTINE error_output(c, ierr, pe) |
---|
| 1076 | |
---|
| 1077 | |
---|
| 1078 | INTEGER, INTENT(IN):: ierr |
---|
| 1079 | INTEGER, INTENT(IN):: pe |
---|
| 1080 | REAL(dp), DIMENSION(:), INTENT(IN):: c |
---|
| 1081 | |
---|
| 1082 | write(6,*) 'ERROR in chem_gasphase_mod ',ierr,C(1),PE |
---|
| 1083 | |
---|
| 1084 | |
---|
| 1085 | END SUBROUTINE error_output |
---|
| 1086 | |
---|
| 1087 | SUBROUTINE wscal(n, alpha, x, incx) |
---|
| 1088 | !- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
---|
| 1089 | ! constant times a vector: x(1:N) <- Alpha*x(1:N) |
---|
| 1090 | ! only for incX=incY=1 |
---|
| 1091 | ! after BLAS |
---|
| 1092 | ! replace this by the function from the optimized BLAS implementation: |
---|
| 1093 | ! CALL SSCAL(N,Alpha,X,1) or CALL DSCAL(N,Alpha,X,1) |
---|
| 1094 | !- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
---|
| 1095 | |
---|
| 1096 | INTEGER :: i, incx, m, mp1, n |
---|
| 1097 | REAL(kind=dp) :: x(n), alpha |
---|
| 1098 | REAL(kind=dp), PARAMETER :: zero=0.0_dp, one=1.0_dp |
---|
| 1099 | ! |
---|
| 1100 | ! Following line is just to avoid compiler message about unused variables |
---|
| 1101 | IF ( incx == 0 ) CONTINUE |
---|
| 1102 | |
---|
| 1103 | IF (alpha .eq. one)RETURN |
---|
| 1104 | IF (n .le. 0)RETURN |
---|
| 1105 | |
---|
| 1106 | m = mod(n, 5) |
---|
| 1107 | IF ( m .ne. 0)THEN |
---|
| 1108 | IF (alpha .eq. (- one))THEN |
---|
| 1109 | DO i = 1, m |
---|
| 1110 | x(i) = - x(i) |
---|
| 1111 | ENDDO |
---|
| 1112 | ELSEIF (alpha .eq. zero)THEN |
---|
| 1113 | DO i = 1, m |
---|
| 1114 | x(i) = zero |
---|
| 1115 | ENDDO |
---|
| 1116 | ELSE |
---|
| 1117 | DO i = 1, m |
---|
| 1118 | x(i) = alpha* x(i) |
---|
| 1119 | ENDDO |
---|
| 1120 | ENDIF |
---|
| 1121 | IF ( n .lt. 5)RETURN |
---|
| 1122 | ENDIF |
---|
| 1123 | mp1 = m + 1 |
---|
| 1124 | IF (alpha .eq. (- one))THEN |
---|
| 1125 | DO i = mp1, n, 5 |
---|
| 1126 | x(i) = - x(i) |
---|
| 1127 | x(i + 1) = - x(i + 1) |
---|
| 1128 | x(i + 2) = - x(i + 2) |
---|
| 1129 | x(i + 3) = - x(i + 3) |
---|
| 1130 | x(i + 4) = - x(i + 4) |
---|
| 1131 | ENDDO |
---|
| 1132 | ELSEIF (alpha .eq. zero)THEN |
---|
| 1133 | DO i = mp1, n, 5 |
---|
| 1134 | x(i) = zero |
---|
| 1135 | x(i + 1) = zero |
---|
| 1136 | x(i + 2) = zero |
---|
| 1137 | x(i + 3) = zero |
---|
| 1138 | x(i + 4) = zero |
---|
| 1139 | ENDDO |
---|
| 1140 | ELSE |
---|
| 1141 | DO i = mp1, n, 5 |
---|
| 1142 | x(i) = alpha* x(i) |
---|
| 1143 | x(i + 1) = alpha* x(i + 1) |
---|
| 1144 | x(i + 2) = alpha* x(i + 2) |
---|
| 1145 | x(i + 3) = alpha* x(i + 3) |
---|
| 1146 | x(i + 4) = alpha* x(i + 4) |
---|
| 1147 | ENDDO |
---|
| 1148 | ENDIF |
---|
| 1149 | |
---|
| 1150 | END SUBROUTINE wscal |
---|
| 1151 | |
---|
| 1152 | SUBROUTINE waxpy(n, alpha, x, incx, y, incy) |
---|
| 1153 | !- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
---|
| 1154 | ! constant times a vector plus a vector: y <- y + Alpha*x |
---|
| 1155 | ! only for incX=incY=1 |
---|
| 1156 | ! after BLAS |
---|
| 1157 | ! replace this by the function from the optimized BLAS implementation: |
---|
| 1158 | ! CALL SAXPY(N,Alpha,X,1,Y,1) or CALL DAXPY(N,Alpha,X,1,Y,1) |
---|
| 1159 | !- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - |
---|
| 1160 | |
---|
| 1161 | INTEGER :: i, incx, incy, m, mp1, n |
---|
| 1162 | REAL(kind=dp):: x(n), y(n), alpha |
---|
| 1163 | REAL(kind=dp), PARAMETER :: zero = 0.0_dp |
---|
| 1164 | |
---|
| 1165 | ! |
---|
| 1166 | ! Following line is just to avoid compiler message about unused variables |
---|
| 1167 | IF ( incx == 0 .OR. incy == 0 ) CONTINUE |
---|
| 1168 | IF (alpha .eq. zero)RETURN |
---|
| 1169 | IF (n .le. 0)RETURN |
---|
| 1170 | |
---|
| 1171 | m = mod(n, 4) |
---|
| 1172 | IF ( m .ne. 0)THEN |
---|
| 1173 | DO i = 1, m |
---|
| 1174 | y(i) = y(i) + alpha* x(i) |
---|
| 1175 | ENDDO |
---|
| 1176 | IF ( n .lt. 4)RETURN |
---|
| 1177 | ENDIF |
---|
| 1178 | mp1 = m + 1 |
---|
| 1179 | DO i = mp1, n, 4 |
---|
| 1180 | y(i) = y(i) + alpha* x(i) |
---|
| 1181 | y(i + 1) = y(i + 1) + alpha* x(i + 1) |
---|
| 1182 | y(i + 2) = y(i + 2) + alpha* x(i + 2) |
---|
| 1183 | y(i + 3) = y(i + 3) + alpha* x(i + 3) |
---|
| 1184 | ENDDO |
---|
| 1185 | |
---|
| 1186 | END SUBROUTINE waxpy |
---|
| 1187 | |
---|
| 1188 | SUBROUTINE rosenbrock(n, y, tstart, tend, & |
---|
| 1189 | abstol, reltol, & |
---|
| 1190 | rcntrl, icntrl, rstatus, istatus, ierr) |
---|
| 1191 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1192 | ! |
---|
| 1193 | ! Solves the system y'=F(t,y) using a Rosenbrock method defined by: |
---|
| 1194 | ! |
---|
| 1195 | ! G = 1/(H*gamma(1)) - Jac(t0,Y0) |
---|
| 1196 | ! T_i = t0 + Alpha(i)*H |
---|
| 1197 | ! Y_i = Y0 + \sum_{j=1}^{i-1} A(i,j)*K_j |
---|
| 1198 | ! G *K_i = Fun( T_i,Y_i)+ \sum_{j=1}^S C(i,j)/H *K_j + |
---|
| 1199 | ! gamma(i)*dF/dT(t0,Y0) |
---|
| 1200 | ! Y1 = Y0 + \sum_{j=1}^S M(j)*K_j |
---|
| 1201 | ! |
---|
| 1202 | ! For details on Rosenbrock methods and their implementation consult: |
---|
| 1203 | ! E. Hairer and G. Wanner |
---|
| 1204 | ! "Solving ODEs II. Stiff and differential-algebraic problems". |
---|
| 1205 | ! Springer series in computational mathematics,Springer-Verlag,1996. |
---|
| 1206 | ! The codes contained in the book inspired this implementation. |
---|
| 1207 | ! |
---|
| 1208 | ! (C) Adrian Sandu,August 2004 |
---|
| 1209 | ! Virginia Polytechnic Institute and State University |
---|
| 1210 | ! Contact: sandu@cs.vt.edu |
---|
| 1211 | ! Revised by Philipp Miehe and Adrian Sandu,May 2006 |
---|
| 1212 | ! This implementation is part of KPP - the Kinetic PreProcessor |
---|
| 1213 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1214 | ! |
---|
| 1215 | !~~~> input arguments: |
---|
| 1216 | ! |
---|
| 1217 | !- y(n) = vector of initial conditions (at t=tstart) |
---|
| 1218 | !- [tstart, tend] = time range of integration |
---|
| 1219 | ! (if Tstart>Tend the integration is performed backwards in time) |
---|
| 1220 | !- reltol, abstol = user precribed accuracy |
---|
| 1221 | !- SUBROUTINE fun( t, y, ydot) = ode FUNCTION, |
---|
| 1222 | ! returns Ydot = Y' = F(T,Y) |
---|
| 1223 | !- SUBROUTINE jac( t, y, jcb) = jacobian of the ode FUNCTION, |
---|
| 1224 | ! returns Jcb = dFun/dY |
---|
| 1225 | !- icntrl(1:20) = INTEGER inputs PARAMETERs |
---|
| 1226 | !- rcntrl(1:20) = REAL inputs PARAMETERs |
---|
| 1227 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1228 | ! |
---|
| 1229 | !~~~> output arguments: |
---|
| 1230 | ! |
---|
| 1231 | !- y(n) - > vector of final states (at t- >tend) |
---|
| 1232 | !- istatus(1:20) - > INTEGER output PARAMETERs |
---|
| 1233 | !- rstatus(1:20) - > REAL output PARAMETERs |
---|
| 1234 | !- ierr - > job status upon RETURN |
---|
| 1235 | ! success (positive value) or |
---|
| 1236 | ! failure (negative value) |
---|
| 1237 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1238 | ! |
---|
| 1239 | !~~~> input PARAMETERs: |
---|
| 1240 | ! |
---|
| 1241 | ! Note: For input parameters equal to zero the default values of the |
---|
| 1242 | ! corresponding variables are used. |
---|
| 1243 | ! |
---|
| 1244 | ! ICNTRL(1) = 1: F = F(y) Independent of T (AUTONOMOUS) |
---|
| 1245 | ! = 0: F = F(t,y) Depends on T (NON-AUTONOMOUS) |
---|
| 1246 | ! |
---|
| 1247 | ! ICNTRL(2) = 0: AbsTol,RelTol are N-dimensional vectors |
---|
| 1248 | ! = 1: AbsTol,RelTol are scalars |
---|
| 1249 | ! |
---|
| 1250 | ! ICNTRL(3) -> selection of a particular Rosenbrock method |
---|
| 1251 | ! = 0 : Rodas3 (default) |
---|
| 1252 | ! = 1 : Ros2 |
---|
| 1253 | ! = 2 : Ros3 |
---|
| 1254 | ! = 3 : Ros4 |
---|
| 1255 | ! = 4 : Rodas3 |
---|
| 1256 | ! = 5 : Rodas4 |
---|
| 1257 | ! |
---|
| 1258 | ! ICNTRL(4) -> maximum number of integration steps |
---|
| 1259 | ! For ICNTRL(4) =0) the default value of 100000 is used |
---|
| 1260 | ! |
---|
| 1261 | ! RCNTRL(1) -> Hmin,lower bound for the integration step size |
---|
| 1262 | ! It is strongly recommended to keep Hmin = ZERO |
---|
| 1263 | ! RCNTRL(2) -> Hmax,upper bound for the integration step size |
---|
| 1264 | ! RCNTRL(3) -> Hstart,starting value for the integration step size |
---|
| 1265 | ! |
---|
| 1266 | ! RCNTRL(4) -> FacMin,lower bound on step decrease factor (default=0.2) |
---|
| 1267 | ! RCNTRL(5) -> FacMax,upper bound on step increase factor (default=6) |
---|
| 1268 | ! RCNTRL(6) -> FacRej,step decrease factor after multiple rejections |
---|
| 1269 | ! (default=0.1) |
---|
| 1270 | ! RCNTRL(7) -> FacSafe,by which the new step is slightly smaller |
---|
| 1271 | ! than the predicted value (default=0.9) |
---|
| 1272 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1273 | ! |
---|
| 1274 | ! |
---|
| 1275 | ! OUTPUT ARGUMENTS: |
---|
| 1276 | ! ----------------- |
---|
| 1277 | ! |
---|
| 1278 | ! T -> T value for which the solution has been computed |
---|
| 1279 | ! (after successful return T=Tend). |
---|
| 1280 | ! |
---|
| 1281 | ! Y(N) -> Numerical solution at T |
---|
| 1282 | ! |
---|
| 1283 | ! IDID -> Reports on successfulness upon return: |
---|
| 1284 | ! = 1 for success |
---|
| 1285 | ! < 0 for error (value equals error code) |
---|
| 1286 | ! |
---|
| 1287 | ! ISTATUS(1) -> No. of function calls |
---|
| 1288 | ! ISTATUS(2) -> No. of jacobian calls |
---|
| 1289 | ! ISTATUS(3) -> No. of steps |
---|
| 1290 | ! ISTATUS(4) -> No. of accepted steps |
---|
| 1291 | ! ISTATUS(5) -> No. of rejected steps (except at very beginning) |
---|
| 1292 | ! ISTATUS(6) -> No. of LU decompositions |
---|
| 1293 | ! ISTATUS(7) -> No. of forward/backward substitutions |
---|
| 1294 | ! ISTATUS(8) -> No. of singular matrix decompositions |
---|
| 1295 | ! |
---|
| 1296 | ! RSTATUS(1) -> Texit,the time corresponding to the |
---|
| 1297 | ! computed Y upon return |
---|
| 1298 | ! RSTATUS(2) -> Hexit,last accepted step before exit |
---|
| 1299 | ! RSTATUS(3) -> Hnew,last predicted step (not yet taken) |
---|
| 1300 | ! For multiple restarts,use Hnew as Hstart |
---|
| 1301 | ! in the subsequent run |
---|
| 1302 | ! |
---|
| 1303 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1304 | |
---|
| 1305 | |
---|
| 1306 | !~~~> arguments |
---|
| 1307 | INTEGER, INTENT(IN) :: n |
---|
| 1308 | REAL(kind=dp), INTENT(INOUT):: y(n) |
---|
| 1309 | REAL(kind=dp), INTENT(IN) :: tstart, tend |
---|
| 1310 | REAL(kind=dp), INTENT(IN) :: abstol(n), reltol(n) |
---|
| 1311 | INTEGER, INTENT(IN) :: icntrl(20) |
---|
| 1312 | REAL(kind=dp), INTENT(IN) :: rcntrl(20) |
---|
| 1313 | INTEGER, INTENT(INOUT):: istatus(20) |
---|
| 1314 | REAL(kind=dp), INTENT(INOUT):: rstatus(20) |
---|
| 1315 | INTEGER, INTENT(OUT) :: ierr |
---|
| 1316 | !~~~> PARAMETERs of the rosenbrock method, up to 6 stages |
---|
| 1317 | INTEGER :: ros_s, rosmethod |
---|
| 1318 | INTEGER, PARAMETER :: rs2=1, rs3=2, rs4=3, rd3=4, rd4=5, rg3=6 |
---|
| 1319 | REAL(kind=dp):: ros_a(15), ros_c(15), ros_m(6), ros_e(6), & |
---|
| 1320 | ros_alpha(6), ros_gamma(6), ros_elo |
---|
| 1321 | LOGICAL :: ros_newf(6) |
---|
| 1322 | CHARACTER(len=12):: ros_name |
---|
| 1323 | !~~~> local variables |
---|
| 1324 | REAL(kind=dp):: roundoff, facmin, facmax, facrej, facsafe |
---|
| 1325 | REAL(kind=dp):: hmin, hmax, hstart |
---|
| 1326 | REAL(kind=dp):: texit |
---|
| 1327 | INTEGER :: i, uplimtol, max_no_steps |
---|
| 1328 | LOGICAL :: autonomous, vectortol |
---|
| 1329 | !~~~> PARAMETERs |
---|
| 1330 | REAL(kind=dp), PARAMETER :: zero = 0.0_dp, one = 1.0_dp |
---|
| 1331 | REAL(kind=dp), PARAMETER :: deltamin = 1.0e-5_dp |
---|
| 1332 | |
---|
| 1333 | !~~~> initialize statistics |
---|
| 1334 | istatus(1:8) = 0 |
---|
| 1335 | rstatus(1:3) = zero |
---|
| 1336 | |
---|
| 1337 | !~~~> autonomous or time dependent ode. default is time dependent. |
---|
| 1338 | autonomous = .not.(icntrl(1) == 0) |
---|
| 1339 | |
---|
| 1340 | !~~~> for scalar tolerances (icntrl(2).ne.0) the code uses abstol(1)and reltol(1) |
---|
| 1341 | ! For Vector tolerances (ICNTRL(2) == 0) the code uses AbsTol(1:N) and RelTol(1:N) |
---|
| 1342 | IF (icntrl(2) == 0)THEN |
---|
| 1343 | vectortol = .TRUE. |
---|
| 1344 | uplimtol = n |
---|
| 1345 | ELSE |
---|
| 1346 | vectortol = .FALSE. |
---|
| 1347 | uplimtol = 1 |
---|
| 1348 | ENDIF |
---|
| 1349 | |
---|
| 1350 | !~~~> initialize the particular rosenbrock method selected |
---|
| 1351 | select CASE (icntrl(3)) |
---|
| 1352 | CASE (1) |
---|
| 1353 | CALL ros2 |
---|
| 1354 | CASE (2) |
---|
| 1355 | CALL ros3 |
---|
| 1356 | CASE (3) |
---|
| 1357 | CALL ros4 |
---|
| 1358 | CASE (0, 4) |
---|
| 1359 | CALL rodas3 |
---|
| 1360 | CASE (5) |
---|
| 1361 | CALL rodas4 |
---|
| 1362 | CASE (6) |
---|
| 1363 | CALL rang3 |
---|
| 1364 | CASE default |
---|
| 1365 | PRINT *,'Unknown Rosenbrock method: ICNTRL(3) =',ICNTRL(3) |
---|
| 1366 | CALL ros_errormsg(- 2, tstart, zero, ierr) |
---|
| 1367 | RETURN |
---|
| 1368 | END select |
---|
| 1369 | |
---|
| 1370 | !~~~> the maximum number of steps admitted |
---|
| 1371 | IF (icntrl(4) == 0)THEN |
---|
| 1372 | max_no_steps = 200000 |
---|
| 1373 | ELSEIF (icntrl(4)> 0)THEN |
---|
| 1374 | max_no_steps=icntrl(4) |
---|
| 1375 | ELSE |
---|
| 1376 | PRINT *,'User-selected max no. of steps: ICNTRL(4) =',ICNTRL(4) |
---|
| 1377 | CALL ros_errormsg(- 1, tstart, zero, ierr) |
---|
| 1378 | RETURN |
---|
| 1379 | ENDIF |
---|
| 1380 | |
---|
| 1381 | !~~~> unit roundoff (1+ roundoff>1) |
---|
| 1382 | roundoff = epsilon(one) |
---|
| 1383 | |
---|
| 1384 | !~~~> lower bound on the step size: (positive value) |
---|
| 1385 | IF (rcntrl(1) == zero)THEN |
---|
| 1386 | hmin = zero |
---|
| 1387 | ELSEIF (rcntrl(1)> zero)THEN |
---|
| 1388 | hmin = rcntrl(1) |
---|
| 1389 | ELSE |
---|
| 1390 | PRINT *,'User-selected Hmin: RCNTRL(1) =',RCNTRL(1) |
---|
| 1391 | CALL ros_errormsg(- 3, tstart, zero, ierr) |
---|
| 1392 | RETURN |
---|
| 1393 | ENDIF |
---|
| 1394 | !~~~> upper bound on the step size: (positive value) |
---|
| 1395 | IF (rcntrl(2) == zero)THEN |
---|
| 1396 | hmax = abs(tend-tstart) |
---|
| 1397 | ELSEIF (rcntrl(2)> zero)THEN |
---|
| 1398 | hmax = min(abs(rcntrl(2)), abs(tend-tstart)) |
---|
| 1399 | ELSE |
---|
| 1400 | PRINT *,'User-selected Hmax: RCNTRL(2) =',RCNTRL(2) |
---|
| 1401 | CALL ros_errormsg(- 3, tstart, zero, ierr) |
---|
| 1402 | RETURN |
---|
| 1403 | ENDIF |
---|
| 1404 | !~~~> starting step size: (positive value) |
---|
| 1405 | IF (rcntrl(3) == zero)THEN |
---|
| 1406 | hstart = max(hmin, deltamin) |
---|
| 1407 | ELSEIF (rcntrl(3)> zero)THEN |
---|
| 1408 | hstart = min(abs(rcntrl(3)), abs(tend-tstart)) |
---|
| 1409 | ELSE |
---|
| 1410 | PRINT *,'User-selected Hstart: RCNTRL(3) =',RCNTRL(3) |
---|
| 1411 | CALL ros_errormsg(- 3, tstart, zero, ierr) |
---|
| 1412 | RETURN |
---|
| 1413 | ENDIF |
---|
| 1414 | !~~~> step size can be changed s.t. facmin < hnew/hold < facmax |
---|
| 1415 | IF (rcntrl(4) == zero)THEN |
---|
| 1416 | facmin = 0.2_dp |
---|
| 1417 | ELSEIF (rcntrl(4)> zero)THEN |
---|
| 1418 | facmin = rcntrl(4) |
---|
| 1419 | ELSE |
---|
| 1420 | PRINT *,'User-selected FacMin: RCNTRL(4) =',RCNTRL(4) |
---|
| 1421 | CALL ros_errormsg(- 4, tstart, zero, ierr) |
---|
| 1422 | RETURN |
---|
| 1423 | ENDIF |
---|
| 1424 | IF (rcntrl(5) == zero)THEN |
---|
| 1425 | facmax = 6.0_dp |
---|
| 1426 | ELSEIF (rcntrl(5)> zero)THEN |
---|
| 1427 | facmax = rcntrl(5) |
---|
| 1428 | ELSE |
---|
| 1429 | PRINT *,'User-selected FacMax: RCNTRL(5) =',RCNTRL(5) |
---|
| 1430 | CALL ros_errormsg(- 4, tstart, zero, ierr) |
---|
| 1431 | RETURN |
---|
| 1432 | ENDIF |
---|
| 1433 | !~~~> facrej: factor to decrease step after 2 succesive rejections |
---|
| 1434 | IF (rcntrl(6) == zero)THEN |
---|
| 1435 | facrej = 0.1_dp |
---|
| 1436 | ELSEIF (rcntrl(6)> zero)THEN |
---|
| 1437 | facrej = rcntrl(6) |
---|
| 1438 | ELSE |
---|
| 1439 | PRINT *,'User-selected FacRej: RCNTRL(6) =',RCNTRL(6) |
---|
| 1440 | CALL ros_errormsg(- 4, tstart, zero, ierr) |
---|
| 1441 | RETURN |
---|
| 1442 | ENDIF |
---|
| 1443 | !~~~> facsafe: safety factor in the computation of new step size |
---|
| 1444 | IF (rcntrl(7) == zero)THEN |
---|
| 1445 | facsafe = 0.9_dp |
---|
| 1446 | ELSEIF (rcntrl(7)> zero)THEN |
---|
| 1447 | facsafe = rcntrl(7) |
---|
| 1448 | ELSE |
---|
| 1449 | PRINT *,'User-selected FacSafe: RCNTRL(7) =',RCNTRL(7) |
---|
| 1450 | CALL ros_errormsg(- 4, tstart, zero, ierr) |
---|
| 1451 | RETURN |
---|
| 1452 | ENDIF |
---|
| 1453 | !~~~> check IF tolerances are reasonable |
---|
| 1454 | DO i=1, uplimtol |
---|
| 1455 | IF ((abstol(i)<= zero).or. (reltol(i)<= 10.0_dp* roundoff)& |
---|
| 1456 | .or. (reltol(i)>= 1.0_dp))THEN |
---|
| 1457 | PRINT *,' AbsTol(',i,') = ',AbsTol(i) |
---|
| 1458 | PRINT *,' RelTol(',i,') = ',RelTol(i) |
---|
| 1459 | CALL ros_errormsg(- 5, tstart, zero, ierr) |
---|
| 1460 | RETURN |
---|
| 1461 | ENDIF |
---|
| 1462 | ENDDO |
---|
| 1463 | |
---|
| 1464 | |
---|
| 1465 | !~~~> CALL rosenbrock method |
---|
| 1466 | CALL ros_integrator(y, tstart, tend, texit, & |
---|
| 1467 | abstol, reltol, & |
---|
| 1468 | ! Integration parameters |
---|
| 1469 | autonomous, vectortol, max_no_steps, & |
---|
| 1470 | roundoff, hmin, hmax, hstart, & |
---|
| 1471 | facmin, facmax, facrej, facsafe, & |
---|
| 1472 | ! Error indicator |
---|
| 1473 | ierr) |
---|
| 1474 | |
---|
| 1475 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1476 | CONTAINS ! SUBROUTINEs internal to rosenbrock |
---|
| 1477 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1478 | |
---|
| 1479 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1480 | SUBROUTINE ros_errormsg(code, t, h, ierr) |
---|
| 1481 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1482 | ! Handles all error messages |
---|
| 1483 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1484 | |
---|
| 1485 | REAL(kind=dp), INTENT(IN):: t, h |
---|
| 1486 | INTEGER, INTENT(IN) :: code |
---|
| 1487 | INTEGER, INTENT(OUT):: ierr |
---|
| 1488 | |
---|
| 1489 | ierr = code |
---|
| 1490 | print * , & |
---|
| 1491 | 'Forced exit from Rosenbrock due to the following error:' |
---|
| 1492 | |
---|
| 1493 | select CASE (code) |
---|
| 1494 | CASE (- 1) |
---|
| 1495 | PRINT *,'--> Improper value for maximal no of steps' |
---|
| 1496 | CASE (- 2) |
---|
| 1497 | PRINT *,'--> Selected Rosenbrock method not implemented' |
---|
| 1498 | CASE (- 3) |
---|
| 1499 | PRINT *,'--> Hmin/Hmax/Hstart must be positive' |
---|
| 1500 | CASE (- 4) |
---|
| 1501 | PRINT *,'--> FacMin/FacMax/FacRej must be positive' |
---|
| 1502 | CASE (- 5) |
---|
| 1503 | PRINT *,'--> Improper tolerance values' |
---|
| 1504 | CASE (- 6) |
---|
| 1505 | PRINT *,'--> No of steps exceeds maximum bound' |
---|
| 1506 | CASE (- 7) |
---|
| 1507 | PRINT *,'--> Step size too small: T + 10*H = T',& |
---|
| 1508 | ' or H < Roundoff' |
---|
| 1509 | CASE (- 8) |
---|
| 1510 | PRINT *,'--> Matrix is repeatedly singular' |
---|
| 1511 | CASE default |
---|
| 1512 | PRINT *,'Unknown Error code: ',Code |
---|
| 1513 | END select |
---|
| 1514 | |
---|
| 1515 | print * , "t=", t, "and h=", h |
---|
| 1516 | |
---|
| 1517 | END SUBROUTINE ros_errormsg |
---|
| 1518 | |
---|
| 1519 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1520 | SUBROUTINE ros_integrator (y, tstart, tend, t, & |
---|
| 1521 | abstol, reltol, & |
---|
| 1522 | !~~~> integration PARAMETERs |
---|
| 1523 | autonomous, vectortol, max_no_steps, & |
---|
| 1524 | roundoff, hmin, hmax, hstart, & |
---|
| 1525 | facmin, facmax, facrej, facsafe, & |
---|
| 1526 | !~~~> error indicator |
---|
| 1527 | ierr) |
---|
| 1528 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1529 | ! Template for the implementation of a generic Rosenbrock method |
---|
| 1530 | ! defined by ros_S (no of stages) |
---|
| 1531 | ! and its coefficients ros_{A,C,M,E,Alpha,Gamma} |
---|
| 1532 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1533 | |
---|
| 1534 | |
---|
| 1535 | !~~~> input: the initial condition at tstart; output: the solution at t |
---|
| 1536 | REAL(kind=dp), INTENT(INOUT):: y(n) |
---|
| 1537 | !~~~> input: integration interval |
---|
| 1538 | REAL(kind=dp), INTENT(IN):: tstart, tend |
---|
| 1539 | !~~~> output: time at which the solution is RETURNed (t=tendIF success) |
---|
| 1540 | REAL(kind=dp), INTENT(OUT):: t |
---|
| 1541 | !~~~> input: tolerances |
---|
| 1542 | REAL(kind=dp), INTENT(IN):: abstol(n), reltol(n) |
---|
| 1543 | !~~~> input: integration PARAMETERs |
---|
| 1544 | LOGICAL, INTENT(IN):: autonomous, vectortol |
---|
| 1545 | REAL(kind=dp), INTENT(IN):: hstart, hmin, hmax |
---|
| 1546 | INTEGER, INTENT(IN):: max_no_steps |
---|
| 1547 | REAL(kind=dp), INTENT(IN):: roundoff, facmin, facmax, facrej, facsafe |
---|
| 1548 | !~~~> output: error indicator |
---|
| 1549 | INTEGER, INTENT(OUT):: ierr |
---|
| 1550 | ! ~~~~ Local variables |
---|
| 1551 | REAL(kind=dp):: ynew(n), fcn0(n), fcn(n) |
---|
| 1552 | REAL(kind=dp):: k(n* ros_s), dfdt(n) |
---|
| 1553 | #ifdef full_algebra |
---|
| 1554 | REAL(kind=dp):: jac0(n, n), ghimj(n, n) |
---|
| 1555 | #else |
---|
| 1556 | REAL(kind=dp):: jac0(lu_nonzero), ghimj(lu_nonzero) |
---|
| 1557 | #endif |
---|
| 1558 | REAL(kind=dp):: h, hnew, hc, hg, fac, tau |
---|
| 1559 | REAL(kind=dp):: err, yerr(n) |
---|
| 1560 | INTEGER :: pivot(n), direction, ioffset, j, istage |
---|
| 1561 | LOGICAL :: rejectlasth, rejectmoreh, singular |
---|
| 1562 | !~~~> local PARAMETERs |
---|
| 1563 | REAL(kind=dp), PARAMETER :: zero = 0.0_dp, one = 1.0_dp |
---|
| 1564 | REAL(kind=dp), PARAMETER :: deltamin = 1.0e-5_dp |
---|
| 1565 | !~~~> locally called FUNCTIONs |
---|
| 1566 | ! REAL(kind=dp) WLAMCH |
---|
| 1567 | ! EXTERNAL WLAMCH |
---|
| 1568 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1569 | |
---|
| 1570 | |
---|
| 1571 | !~~~> initial preparations |
---|
| 1572 | t = tstart |
---|
| 1573 | rstatus(nhexit) = zero |
---|
| 1574 | h = min( max(abs(hmin), abs(hstart)), abs(hmax)) |
---|
| 1575 | IF (abs(h)<= 10.0_dp* roundoff)h = deltamin |
---|
| 1576 | |
---|
| 1577 | IF (tend >= tstart)THEN |
---|
| 1578 | direction = + 1 |
---|
| 1579 | ELSE |
---|
| 1580 | direction = - 1 |
---|
| 1581 | ENDIF |
---|
| 1582 | h = direction* h |
---|
| 1583 | |
---|
| 1584 | rejectlasth=.FALSE. |
---|
| 1585 | rejectmoreh=.FALSE. |
---|
| 1586 | |
---|
| 1587 | !~~~> time loop begins below |
---|
| 1588 | |
---|
| 1589 | timeloop: DO WHILE((direction > 0).and.((t- tend) + roundoff <= zero)& |
---|
| 1590 | .or. (direction < 0).and.((tend-t) + roundoff <= zero)) |
---|
| 1591 | |
---|
| 1592 | IF (istatus(nstp)> max_no_steps)THEN ! too many steps |
---|
| 1593 | CALL ros_errormsg(- 6, t, h, ierr) |
---|
| 1594 | RETURN |
---|
| 1595 | ENDIF |
---|
| 1596 | IF (((t+ 0.1_dp* h) == t).or.(h <= roundoff))THEN ! step size too small |
---|
| 1597 | CALL ros_errormsg(- 7, t, h, ierr) |
---|
| 1598 | RETURN |
---|
| 1599 | ENDIF |
---|
| 1600 | |
---|
| 1601 | !~~~> limit h IF necessary to avoid going beyond tend |
---|
| 1602 | h = min(h, abs(tend-t)) |
---|
| 1603 | |
---|
| 1604 | !~~~> compute the FUNCTION at current time |
---|
| 1605 | CALL funtemplate(t, y, fcn0) |
---|
| 1606 | istatus(nfun) = istatus(nfun) + 1 |
---|
| 1607 | |
---|
| 1608 | !~~~> compute the FUNCTION derivative with respect to t |
---|
| 1609 | IF (.not.autonomous)THEN |
---|
| 1610 | CALL ros_funtimederivative(t, roundoff, y, & |
---|
| 1611 | fcn0, dfdt) |
---|
| 1612 | ENDIF |
---|
| 1613 | |
---|
| 1614 | !~~~> compute the jacobian at current time |
---|
| 1615 | CALL jactemplate(t, y, jac0) |
---|
| 1616 | istatus(njac) = istatus(njac) + 1 |
---|
| 1617 | |
---|
| 1618 | !~~~> repeat step calculation until current step accepted |
---|
| 1619 | untilaccepted: do |
---|
| 1620 | |
---|
| 1621 | CALL ros_preparematrix(h, direction, ros_gamma(1), & |
---|
| 1622 | jac0, ghimj, pivot, singular) |
---|
| 1623 | IF (singular)THEN ! more than 5 consecutive failed decompositions |
---|
| 1624 | CALL ros_errormsg(- 8, t, h, ierr) |
---|
| 1625 | RETURN |
---|
| 1626 | ENDIF |
---|
| 1627 | |
---|
| 1628 | !~~~> compute the stages |
---|
| 1629 | stage: DO istage = 1, ros_s |
---|
| 1630 | |
---|
| 1631 | ! current istage offset. current istage vector is k(ioffset+ 1:ioffset+ n) |
---|
| 1632 | ioffset = n* (istage-1) |
---|
| 1633 | |
---|
| 1634 | ! for the 1st istage the FUNCTION has been computed previously |
---|
| 1635 | IF (istage == 1)THEN |
---|
| 1636 | !slim: CALL wcopy(n, fcn0, 1, fcn, 1) |
---|
| 1637 | fcn(1:n) = fcn0(1:n) |
---|
| 1638 | ! istage>1 and a new FUNCTION evaluation is needed at the current istage |
---|
| 1639 | ELSEIF(ros_newf(istage))THEN |
---|
| 1640 | !slim: CALL wcopy(n, y, 1, ynew, 1) |
---|
| 1641 | ynew(1:n) = y(1:n) |
---|
| 1642 | DO j = 1, istage-1 |
---|
| 1643 | CALL waxpy(n, ros_a((istage-1) * (istage-2) /2+ j), & |
---|
| 1644 | k(n* (j- 1) + 1), 1, ynew, 1) |
---|
| 1645 | ENDDO |
---|
| 1646 | tau = t + ros_alpha(istage) * direction* h |
---|
| 1647 | CALL funtemplate(tau, ynew, fcn) |
---|
| 1648 | istatus(nfun) = istatus(nfun) + 1 |
---|
| 1649 | ENDIF ! IF istage == 1 ELSEIF ros_newf(istage) |
---|
| 1650 | !slim: CALL wcopy(n, fcn, 1, k(ioffset+ 1), 1) |
---|
| 1651 | k(ioffset+ 1:ioffset+ n) = fcn(1:n) |
---|
| 1652 | DO j = 1, istage-1 |
---|
| 1653 | hc = ros_c((istage-1) * (istage-2) /2+ j) /(direction* h) |
---|
| 1654 | CALL waxpy(n, hc, k(n* (j- 1) + 1), 1, k(ioffset+ 1), 1) |
---|
| 1655 | ENDDO |
---|
| 1656 | IF ((.not. autonomous).and.(ros_gamma(istage).ne.zero))THEN |
---|
| 1657 | hg = direction* h* ros_gamma(istage) |
---|
| 1658 | CALL waxpy(n, hg, dfdt, 1, k(ioffset+ 1), 1) |
---|
| 1659 | ENDIF |
---|
| 1660 | CALL ros_solve(ghimj, pivot, k(ioffset+ 1)) |
---|
| 1661 | |
---|
| 1662 | END DO stage |
---|
| 1663 | |
---|
| 1664 | |
---|
| 1665 | !~~~> compute the new solution |
---|
| 1666 | !slim: CALL wcopy(n, y, 1, ynew, 1) |
---|
| 1667 | ynew(1:n) = y(1:n) |
---|
| 1668 | DO j=1, ros_s |
---|
| 1669 | CALL waxpy(n, ros_m(j), k(n* (j- 1) + 1), 1, ynew, 1) |
---|
| 1670 | ENDDO |
---|
| 1671 | |
---|
| 1672 | !~~~> compute the error estimation |
---|
| 1673 | !slim: CALL wscal(n, zero, yerr, 1) |
---|
| 1674 | yerr(1:n) = zero |
---|
| 1675 | DO j=1, ros_s |
---|
| 1676 | CALL waxpy(n, ros_e(j), k(n* (j- 1) + 1), 1, yerr, 1) |
---|
| 1677 | ENDDO |
---|
| 1678 | err = ros_errornorm(y, ynew, yerr, abstol, reltol, vectortol) |
---|
| 1679 | |
---|
| 1680 | !~~~> new step size is bounded by facmin <= hnew/h <= facmax |
---|
| 1681 | fac = min(facmax, max(facmin, facsafe/err** (one/ros_elo))) |
---|
| 1682 | hnew = h* fac |
---|
| 1683 | |
---|
| 1684 | !~~~> check the error magnitude and adjust step size |
---|
| 1685 | istatus(nstp) = istatus(nstp) + 1 |
---|
| 1686 | IF ((err <= one).or.(h <= hmin))THEN !~~~> accept step |
---|
| 1687 | istatus(nacc) = istatus(nacc) + 1 |
---|
| 1688 | !slim: CALL wcopy(n, ynew, 1, y, 1) |
---|
| 1689 | y(1:n) = ynew(1:n) |
---|
| 1690 | t = t + direction* h |
---|
| 1691 | hnew = max(hmin, min(hnew, hmax)) |
---|
| 1692 | IF (rejectlasth)THEN ! no step size increase after a rejected step |
---|
| 1693 | hnew = min(hnew, h) |
---|
| 1694 | ENDIF |
---|
| 1695 | rstatus(nhexit) = h |
---|
| 1696 | rstatus(nhnew) = hnew |
---|
| 1697 | rstatus(ntexit) = t |
---|
| 1698 | rejectlasth = .FALSE. |
---|
| 1699 | rejectmoreh = .FALSE. |
---|
| 1700 | h = hnew |
---|
| 1701 | exit untilaccepted ! exit the loop: WHILE step not accepted |
---|
| 1702 | ELSE !~~~> reject step |
---|
| 1703 | IF (rejectmoreh)THEN |
---|
| 1704 | hnew = h* facrej |
---|
| 1705 | ENDIF |
---|
| 1706 | rejectmoreh = rejectlasth |
---|
| 1707 | rejectlasth = .TRUE. |
---|
| 1708 | h = hnew |
---|
| 1709 | IF (istatus(nacc)>= 1) istatus(nrej) = istatus(nrej) + 1 |
---|
| 1710 | ENDIF ! err <= 1 |
---|
| 1711 | |
---|
| 1712 | END DO untilaccepted |
---|
| 1713 | |
---|
| 1714 | END DO timeloop |
---|
| 1715 | |
---|
| 1716 | !~~~> succesful exit |
---|
| 1717 | ierr = 1 !~~~> the integration was successful |
---|
| 1718 | |
---|
| 1719 | END SUBROUTINE ros_integrator |
---|
| 1720 | |
---|
| 1721 | |
---|
| 1722 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1723 | REAL(kind=dp)FUNCTION ros_errornorm(y, ynew, yerr, & |
---|
| 1724 | abstol, reltol, vectortol) |
---|
| 1725 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1726 | !~~~> computes the "scaled norm" of the error vector yerr |
---|
| 1727 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1728 | |
---|
| 1729 | ! Input arguments |
---|
| 1730 | REAL(kind=dp), INTENT(IN):: y(n), ynew(n), & |
---|
| 1731 | yerr(n), abstol(n), reltol(n) |
---|
| 1732 | LOGICAL, INTENT(IN):: vectortol |
---|
| 1733 | ! Local variables |
---|
| 1734 | REAL(kind=dp):: err, scale, ymax |
---|
| 1735 | INTEGER :: i |
---|
| 1736 | REAL(kind=dp), PARAMETER :: zero = 0.0_dp |
---|
| 1737 | |
---|
| 1738 | err = zero |
---|
| 1739 | DO i=1, n |
---|
| 1740 | ymax = max(abs(y(i)), abs(ynew(i))) |
---|
| 1741 | IF (vectortol)THEN |
---|
| 1742 | scale = abstol(i) + reltol(i) * ymax |
---|
| 1743 | ELSE |
---|
| 1744 | scale = abstol(1) + reltol(1) * ymax |
---|
| 1745 | ENDIF |
---|
| 1746 | err = err+ (yerr(i) /scale) ** 2 |
---|
| 1747 | ENDDO |
---|
| 1748 | err = sqrt(err/n) |
---|
| 1749 | |
---|
| 1750 | ros_errornorm = max(err, 1.0d-10) |
---|
| 1751 | |
---|
| 1752 | END FUNCTION ros_errornorm |
---|
| 1753 | |
---|
| 1754 | |
---|
| 1755 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1756 | SUBROUTINE ros_funtimederivative(t, roundoff, y, & |
---|
| 1757 | fcn0, dfdt) |
---|
| 1758 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1759 | !~~~> the time partial derivative of the FUNCTION by finite differences |
---|
| 1760 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1761 | |
---|
| 1762 | !~~~> input arguments |
---|
| 1763 | REAL(kind=dp), INTENT(IN):: t, roundoff, y(n), fcn0(n) |
---|
| 1764 | !~~~> output arguments |
---|
| 1765 | REAL(kind=dp), INTENT(OUT):: dfdt(n) |
---|
| 1766 | !~~~> local variables |
---|
| 1767 | REAL(kind=dp):: delta |
---|
| 1768 | REAL(kind=dp), PARAMETER :: one = 1.0_dp, deltamin = 1.0e-6_dp |
---|
| 1769 | |
---|
| 1770 | delta = sqrt(roundoff) * max(deltamin, abs(t)) |
---|
| 1771 | CALL funtemplate(t+ delta, y, dfdt) |
---|
| 1772 | istatus(nfun) = istatus(nfun) + 1 |
---|
| 1773 | CALL waxpy(n, (- one), fcn0, 1, dfdt, 1) |
---|
| 1774 | CALL wscal(n, (one/delta), dfdt, 1) |
---|
| 1775 | |
---|
| 1776 | END SUBROUTINE ros_funtimederivative |
---|
| 1777 | |
---|
| 1778 | |
---|
| 1779 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1780 | SUBROUTINE ros_preparematrix(h, direction, gam, & |
---|
| 1781 | jac0, ghimj, pivot, singular) |
---|
| 1782 | ! --- --- --- --- --- --- --- --- --- --- --- --- --- |
---|
| 1783 | ! Prepares the LHS matrix for stage calculations |
---|
| 1784 | ! 1. Construct Ghimj = 1/(H*ham) - Jac0 |
---|
| 1785 | ! "(Gamma H) Inverse Minus Jacobian" |
---|
| 1786 | ! 2. Repeat LU decomposition of Ghimj until successful. |
---|
| 1787 | ! -half the step size if LU decomposition fails and retry |
---|
| 1788 | ! -exit after 5 consecutive fails |
---|
| 1789 | ! --- --- --- --- --- --- --- --- --- --- --- --- --- |
---|
| 1790 | |
---|
| 1791 | !~~~> input arguments |
---|
| 1792 | #ifdef full_algebra |
---|
| 1793 | REAL(kind=dp), INTENT(IN):: jac0(n, n) |
---|
| 1794 | #else |
---|
| 1795 | REAL(kind=dp), INTENT(IN):: jac0(lu_nonzero) |
---|
| 1796 | #endif |
---|
| 1797 | REAL(kind=dp), INTENT(IN):: gam |
---|
| 1798 | INTEGER, INTENT(IN):: direction |
---|
| 1799 | !~~~> output arguments |
---|
| 1800 | #ifdef full_algebra |
---|
| 1801 | REAL(kind=dp), INTENT(OUT):: ghimj(n, n) |
---|
| 1802 | #else |
---|
| 1803 | REAL(kind=dp), INTENT(OUT):: ghimj(lu_nonzero) |
---|
| 1804 | #endif |
---|
| 1805 | LOGICAL, INTENT(OUT):: singular |
---|
| 1806 | INTEGER, INTENT(OUT):: pivot(n) |
---|
| 1807 | !~~~> inout arguments |
---|
| 1808 | REAL(kind=dp), INTENT(INOUT):: h ! step size is decreased when lu fails |
---|
| 1809 | !~~~> local variables |
---|
| 1810 | INTEGER :: i, ising, nconsecutive |
---|
| 1811 | REAL(kind=dp):: ghinv |
---|
| 1812 | REAL(kind=dp), PARAMETER :: one = 1.0_dp, half = 0.5_dp |
---|
| 1813 | |
---|
| 1814 | nconsecutive = 0 |
---|
| 1815 | singular = .TRUE. |
---|
| 1816 | |
---|
| 1817 | DO WHILE (singular) |
---|
| 1818 | |
---|
| 1819 | !~~~> construct ghimj = 1/(h* gam) - jac0 |
---|
| 1820 | #ifdef full_algebra |
---|
| 1821 | !slim: CALL wcopy(n* n, jac0, 1, ghimj, 1) |
---|
| 1822 | !slim: CALL wscal(n* n, (- one), ghimj, 1) |
---|
| 1823 | ghimj = - jac0 |
---|
| 1824 | ghinv = one/(direction* h* gam) |
---|
| 1825 | DO i=1, n |
---|
| 1826 | ghimj(i, i) = ghimj(i, i) + ghinv |
---|
| 1827 | ENDDO |
---|
| 1828 | #else |
---|
| 1829 | !slim: CALL wcopy(lu_nonzero, jac0, 1, ghimj, 1) |
---|
| 1830 | !slim: CALL wscal(lu_nonzero, (- one), ghimj, 1) |
---|
| 1831 | ghimj(1:lu_nonzero) = - jac0(1:lu_nonzero) |
---|
| 1832 | ghinv = one/(direction* h* gam) |
---|
| 1833 | DO i=1, n |
---|
| 1834 | ghimj(lu_diag(i)) = ghimj(lu_diag(i)) + ghinv |
---|
| 1835 | ENDDO |
---|
| 1836 | #endif |
---|
| 1837 | !~~~> compute lu decomposition |
---|
| 1838 | CALL ros_decomp( ghimj, pivot, ising) |
---|
| 1839 | IF (ising == 0)THEN |
---|
| 1840 | !~~~> IF successful done |
---|
| 1841 | singular = .FALSE. |
---|
| 1842 | ELSE ! ising .ne. 0 |
---|
| 1843 | !~~~> IF unsuccessful half the step size; IF 5 consecutive fails THEN RETURN |
---|
| 1844 | istatus(nsng) = istatus(nsng) + 1 |
---|
| 1845 | nconsecutive = nconsecutive+1 |
---|
| 1846 | singular = .TRUE. |
---|
| 1847 | PRINT*,'Warning: LU Decomposition returned ISING = ',ISING |
---|
| 1848 | IF (nconsecutive <= 5)THEN ! less than 5 consecutive failed decompositions |
---|
| 1849 | h = h* half |
---|
| 1850 | ELSE ! more than 5 consecutive failed decompositions |
---|
| 1851 | RETURN |
---|
| 1852 | ENDIF ! nconsecutive |
---|
| 1853 | ENDIF ! ising |
---|
| 1854 | |
---|
| 1855 | END DO ! WHILE singular |
---|
| 1856 | |
---|
| 1857 | END SUBROUTINE ros_preparematrix |
---|
| 1858 | |
---|
| 1859 | |
---|
| 1860 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1861 | SUBROUTINE ros_decomp( a, pivot, ising) |
---|
| 1862 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1863 | ! Template for the LU decomposition |
---|
| 1864 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1865 | !~~~> inout variables |
---|
| 1866 | #ifdef full_algebra |
---|
| 1867 | REAL(kind=dp), INTENT(INOUT):: a(n, n) |
---|
| 1868 | #else |
---|
| 1869 | REAL(kind=dp), INTENT(INOUT):: a(lu_nonzero) |
---|
| 1870 | #endif |
---|
| 1871 | !~~~> output variables |
---|
| 1872 | INTEGER, INTENT(OUT):: pivot(n), ising |
---|
| 1873 | |
---|
| 1874 | #ifdef full_algebra |
---|
| 1875 | CALL dgetrf( n, n, a, n, pivot, ising) |
---|
| 1876 | #else |
---|
| 1877 | CALL kppdecomp(a, ising) |
---|
| 1878 | pivot(1) = 1 |
---|
| 1879 | #endif |
---|
| 1880 | istatus(ndec) = istatus(ndec) + 1 |
---|
| 1881 | |
---|
| 1882 | END SUBROUTINE ros_decomp |
---|
| 1883 | |
---|
| 1884 | |
---|
| 1885 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1886 | SUBROUTINE ros_solve( a, pivot, b) |
---|
| 1887 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1888 | ! Template for the forward/backward substitution (using pre-computed LU decomposition) |
---|
| 1889 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1890 | !~~~> input variables |
---|
| 1891 | #ifdef full_algebra |
---|
| 1892 | REAL(kind=dp), INTENT(IN):: a(n, n) |
---|
| 1893 | INTEGER :: ising |
---|
| 1894 | #else |
---|
| 1895 | REAL(kind=dp), INTENT(IN):: a(lu_nonzero) |
---|
| 1896 | #endif |
---|
| 1897 | INTEGER, INTENT(IN):: pivot(n) |
---|
| 1898 | !~~~> inout variables |
---|
| 1899 | REAL(kind=dp), INTENT(INOUT):: b(n) |
---|
| 1900 | ! |
---|
| 1901 | ! Following line is just to avoid compiler message about unused variables |
---|
| 1902 | IF ( pivot(1) == 0 ) CONTINUE |
---|
| 1903 | |
---|
| 1904 | #ifdef full_algebra |
---|
| 1905 | CALL DGETRS( 'N',N ,1,A,N,Pivot,b,N,ISING) |
---|
| 1906 | IF (info < 0)THEN |
---|
| 1907 | print* , "error in dgetrs. ising=", ising |
---|
| 1908 | ENDIF |
---|
| 1909 | #else |
---|
| 1910 | CALL kppsolve( a, b) |
---|
| 1911 | #endif |
---|
| 1912 | |
---|
| 1913 | istatus(nsol) = istatus(nsol) + 1 |
---|
| 1914 | |
---|
| 1915 | END SUBROUTINE ros_solve |
---|
| 1916 | |
---|
| 1917 | |
---|
| 1918 | |
---|
| 1919 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1920 | SUBROUTINE ros2 |
---|
| 1921 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1922 | ! --- AN L-STABLE METHOD,2 stages,order 2 |
---|
| 1923 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1924 | |
---|
| 1925 | double precision g |
---|
| 1926 | |
---|
| 1927 | g = 1.0_dp + 1.0_dp/sqrt(2.0_dp) |
---|
| 1928 | rosmethod = rs2 |
---|
| 1929 | !~~~> name of the method |
---|
| 1930 | ros_Name = 'ROS-2' |
---|
| 1931 | !~~~> number of stages |
---|
| 1932 | ros_s = 2 |
---|
| 1933 | |
---|
| 1934 | !~~~> the coefficient matrices a and c are strictly lower triangular. |
---|
| 1935 | ! The lower triangular (subdiagonal) elements are stored in row-wise order: |
---|
| 1936 | ! A(2,1) = ros_A(1),A(3,1) =ros_A(2),A(3,2) =ros_A(3),etc. |
---|
| 1937 | ! The general mapping formula is: |
---|
| 1938 | ! A(i,j) = ros_A( (i-1)*(i-2)/2 + j) |
---|
| 1939 | ! C(i,j) = ros_C( (i-1)*(i-2)/2 + j) |
---|
| 1940 | |
---|
| 1941 | ros_a(1) = (1.0_dp) /g |
---|
| 1942 | ros_c(1) = (- 2.0_dp) /g |
---|
| 1943 | !~~~> does the stage i require a new FUNCTION evaluation (ros_newf(i) =true) |
---|
| 1944 | ! or does it re-use the function evaluation from stage i-1 (ros_NewF(i) =FALSE) |
---|
| 1945 | ros_newf(1) = .TRUE. |
---|
| 1946 | ros_newf(2) = .TRUE. |
---|
| 1947 | !~~~> m_i = coefficients for new step solution |
---|
| 1948 | ros_m(1) = (3.0_dp) /(2.0_dp* g) |
---|
| 1949 | ros_m(2) = (1.0_dp) /(2.0_dp* g) |
---|
| 1950 | ! E_i = Coefficients for error estimator |
---|
| 1951 | ros_e(1) = 1.0_dp/(2.0_dp* g) |
---|
| 1952 | ros_e(2) = 1.0_dp/(2.0_dp* g) |
---|
| 1953 | !~~~> ros_elo = estimator of local order - the minimum between the |
---|
| 1954 | ! main and the embedded scheme orders plus one |
---|
| 1955 | ros_elo = 2.0_dp |
---|
| 1956 | !~~~> y_stage_i ~ y( t + h* alpha_i) |
---|
| 1957 | ros_alpha(1) = 0.0_dp |
---|
| 1958 | ros_alpha(2) = 1.0_dp |
---|
| 1959 | !~~~> gamma_i = \sum_j gamma_{i, j} |
---|
| 1960 | ros_gamma(1) = g |
---|
| 1961 | ros_gamma(2) = -g |
---|
| 1962 | |
---|
| 1963 | END SUBROUTINE ros2 |
---|
| 1964 | |
---|
| 1965 | |
---|
| 1966 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1967 | SUBROUTINE ros3 |
---|
| 1968 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1969 | ! --- AN L-STABLE METHOD,3 stages,order 3,2 function evaluations |
---|
| 1970 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 1971 | |
---|
| 1972 | rosmethod = rs3 |
---|
| 1973 | !~~~> name of the method |
---|
| 1974 | ros_Name = 'ROS-3' |
---|
| 1975 | !~~~> number of stages |
---|
| 1976 | ros_s = 3 |
---|
| 1977 | |
---|
| 1978 | !~~~> the coefficient matrices a and c are strictly lower triangular. |
---|
| 1979 | ! The lower triangular (subdiagonal) elements are stored in row-wise order: |
---|
| 1980 | ! A(2,1) = ros_A(1),A(3,1) =ros_A(2),A(3,2) =ros_A(3),etc. |
---|
| 1981 | ! The general mapping formula is: |
---|
| 1982 | ! A(i,j) = ros_A( (i-1)*(i-2)/2 + j) |
---|
| 1983 | ! C(i,j) = ros_C( (i-1)*(i-2)/2 + j) |
---|
| 1984 | |
---|
| 1985 | ros_a(1) = 1.0_dp |
---|
| 1986 | ros_a(2) = 1.0_dp |
---|
| 1987 | ros_a(3) = 0.0_dp |
---|
| 1988 | |
---|
| 1989 | ros_c(1) = - 0.10156171083877702091975600115545e+01_dp |
---|
| 1990 | ros_c(2) = 0.40759956452537699824805835358067e+01_dp |
---|
| 1991 | ros_c(3) = 0.92076794298330791242156818474003e+01_dp |
---|
| 1992 | !~~~> does the stage i require a new FUNCTION evaluation (ros_newf(i) =true) |
---|
| 1993 | ! or does it re-use the function evaluation from stage i-1 (ros_NewF(i) =FALSE) |
---|
| 1994 | ros_newf(1) = .TRUE. |
---|
| 1995 | ros_newf(2) = .TRUE. |
---|
| 1996 | ros_newf(3) = .FALSE. |
---|
| 1997 | !~~~> m_i = coefficients for new step solution |
---|
| 1998 | ros_m(1) = 0.1e+01_dp |
---|
| 1999 | ros_m(2) = 0.61697947043828245592553615689730e+01_dp |
---|
| 2000 | ros_m(3) = - 0.42772256543218573326238373806514_dp |
---|
| 2001 | ! E_i = Coefficients for error estimator |
---|
| 2002 | ros_e(1) = 0.5_dp |
---|
| 2003 | ros_e(2) = - 0.29079558716805469821718236208017e+01_dp |
---|
| 2004 | ros_e(3) = 0.22354069897811569627360909276199_dp |
---|
| 2005 | !~~~> ros_elo = estimator of local order - the minimum between the |
---|
| 2006 | ! main and the embedded scheme orders plus 1 |
---|
| 2007 | ros_elo = 3.0_dp |
---|
| 2008 | !~~~> y_stage_i ~ y( t + h* alpha_i) |
---|
| 2009 | ros_alpha(1) = 0.0_dp |
---|
| 2010 | ros_alpha(2) = 0.43586652150845899941601945119356_dp |
---|
| 2011 | ros_alpha(3) = 0.43586652150845899941601945119356_dp |
---|
| 2012 | !~~~> gamma_i = \sum_j gamma_{i, j} |
---|
| 2013 | ros_gamma(1) = 0.43586652150845899941601945119356_dp |
---|
| 2014 | ros_gamma(2) = 0.24291996454816804366592249683314_dp |
---|
| 2015 | ros_gamma(3) = 0.21851380027664058511513169485832e+01_dp |
---|
| 2016 | |
---|
| 2017 | END SUBROUTINE ros3 |
---|
| 2018 | |
---|
| 2019 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2020 | |
---|
| 2021 | |
---|
| 2022 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2023 | SUBROUTINE ros4 |
---|
| 2024 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2025 | ! L-STABLE ROSENBROCK METHOD OF ORDER 4,WITH 4 STAGES |
---|
| 2026 | ! L-STABLE EMBEDDED ROSENBROCK METHOD OF ORDER 3 |
---|
| 2027 | ! |
---|
| 2028 | ! E. HAIRER AND G. WANNER,SOLVING ORDINARY DIFFERENTIAL |
---|
| 2029 | ! EQUATIONS II. STIFF AND DIFFERENTIAL-ALGEBRAIC PROBLEMS. |
---|
| 2030 | ! SPRINGER SERIES IN COMPUTATIONAL MATHEMATICS, |
---|
| 2031 | ! SPRINGER-VERLAG (1990) |
---|
| 2032 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2033 | |
---|
| 2034 | |
---|
| 2035 | rosmethod = rs4 |
---|
| 2036 | !~~~> name of the method |
---|
| 2037 | ros_Name = 'ROS-4' |
---|
| 2038 | !~~~> number of stages |
---|
| 2039 | ros_s = 4 |
---|
| 2040 | |
---|
| 2041 | !~~~> the coefficient matrices a and c are strictly lower triangular. |
---|
| 2042 | ! The lower triangular (subdiagonal) elements are stored in row-wise order: |
---|
| 2043 | ! A(2,1) = ros_A(1),A(3,1) =ros_A(2),A(3,2) =ros_A(3),etc. |
---|
| 2044 | ! The general mapping formula is: |
---|
| 2045 | ! A(i,j) = ros_A( (i-1)*(i-2)/2 + j) |
---|
| 2046 | ! C(i,j) = ros_C( (i-1)*(i-2)/2 + j) |
---|
| 2047 | |
---|
| 2048 | ros_a(1) = 0.2000000000000000e+01_dp |
---|
| 2049 | ros_a(2) = 0.1867943637803922e+01_dp |
---|
| 2050 | ros_a(3) = 0.2344449711399156_dp |
---|
| 2051 | ros_a(4) = ros_a(2) |
---|
| 2052 | ros_a(5) = ros_a(3) |
---|
| 2053 | ros_a(6) = 0.0_dp |
---|
| 2054 | |
---|
| 2055 | ros_c(1) = -0.7137615036412310e+01_dp |
---|
| 2056 | ros_c(2) = 0.2580708087951457e+01_dp |
---|
| 2057 | ros_c(3) = 0.6515950076447975_dp |
---|
| 2058 | ros_c(4) = -0.2137148994382534e+01_dp |
---|
| 2059 | ros_c(5) = -0.3214669691237626_dp |
---|
| 2060 | ros_c(6) = -0.6949742501781779_dp |
---|
| 2061 | !~~~> does the stage i require a new FUNCTION evaluation (ros_newf(i) =true) |
---|
| 2062 | ! or does it re-use the function evaluation from stage i-1 (ros_NewF(i) =FALSE) |
---|
| 2063 | ros_newf(1) = .TRUE. |
---|
| 2064 | ros_newf(2) = .TRUE. |
---|
| 2065 | ros_newf(3) = .TRUE. |
---|
| 2066 | ros_newf(4) = .FALSE. |
---|
| 2067 | !~~~> m_i = coefficients for new step solution |
---|
| 2068 | ros_m(1) = 0.2255570073418735e+01_dp |
---|
| 2069 | ros_m(2) = 0.2870493262186792_dp |
---|
| 2070 | ros_m(3) = 0.4353179431840180_dp |
---|
| 2071 | ros_m(4) = 0.1093502252409163e+01_dp |
---|
| 2072 | !~~~> e_i = coefficients for error estimator |
---|
| 2073 | ros_e(1) = -0.2815431932141155_dp |
---|
| 2074 | ros_e(2) = -0.7276199124938920e-01_dp |
---|
| 2075 | ros_e(3) = -0.1082196201495311_dp |
---|
| 2076 | ros_e(4) = -0.1093502252409163e+01_dp |
---|
| 2077 | !~~~> ros_elo = estimator of local order - the minimum between the |
---|
| 2078 | ! main and the embedded scheme orders plus 1 |
---|
| 2079 | ros_elo = 4.0_dp |
---|
| 2080 | !~~~> y_stage_i ~ y( t + h* alpha_i) |
---|
| 2081 | ros_alpha(1) = 0.0_dp |
---|
| 2082 | ros_alpha(2) = 0.1145640000000000e+01_dp |
---|
| 2083 | ros_alpha(3) = 0.6552168638155900_dp |
---|
| 2084 | ros_alpha(4) = ros_alpha(3) |
---|
| 2085 | !~~~> gamma_i = \sum_j gamma_{i, j} |
---|
| 2086 | ros_gamma(1) = 0.5728200000000000_dp |
---|
| 2087 | ros_gamma(2) = -0.1769193891319233e+01_dp |
---|
| 2088 | ros_gamma(3) = 0.7592633437920482_dp |
---|
| 2089 | ros_gamma(4) = -0.1049021087100450_dp |
---|
| 2090 | |
---|
| 2091 | END SUBROUTINE ros4 |
---|
| 2092 | |
---|
| 2093 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2094 | SUBROUTINE rodas3 |
---|
| 2095 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2096 | ! --- A STIFFLY-STABLE METHOD,4 stages,order 3 |
---|
| 2097 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2098 | |
---|
| 2099 | |
---|
| 2100 | rosmethod = rd3 |
---|
| 2101 | !~~~> name of the method |
---|
| 2102 | ros_Name = 'RODAS-3' |
---|
| 2103 | !~~~> number of stages |
---|
| 2104 | ros_s = 4 |
---|
| 2105 | |
---|
| 2106 | !~~~> the coefficient matrices a and c are strictly lower triangular. |
---|
| 2107 | ! The lower triangular (subdiagonal) elements are stored in row-wise order: |
---|
| 2108 | ! A(2,1) = ros_A(1),A(3,1) =ros_A(2),A(3,2) =ros_A(3),etc. |
---|
| 2109 | ! The general mapping formula is: |
---|
| 2110 | ! A(i,j) = ros_A( (i-1)*(i-2)/2 + j) |
---|
| 2111 | ! C(i,j) = ros_C( (i-1)*(i-2)/2 + j) |
---|
| 2112 | |
---|
| 2113 | ros_a(1) = 0.0_dp |
---|
| 2114 | ros_a(2) = 2.0_dp |
---|
| 2115 | ros_a(3) = 0.0_dp |
---|
| 2116 | ros_a(4) = 2.0_dp |
---|
| 2117 | ros_a(5) = 0.0_dp |
---|
| 2118 | ros_a(6) = 1.0_dp |
---|
| 2119 | |
---|
| 2120 | ros_c(1) = 4.0_dp |
---|
| 2121 | ros_c(2) = 1.0_dp |
---|
| 2122 | ros_c(3) = -1.0_dp |
---|
| 2123 | ros_c(4) = 1.0_dp |
---|
| 2124 | ros_c(5) = -1.0_dp |
---|
| 2125 | ros_c(6) = -(8.0_dp/3.0_dp) |
---|
| 2126 | |
---|
| 2127 | !~~~> does the stage i require a new FUNCTION evaluation (ros_newf(i) =true) |
---|
| 2128 | ! or does it re-use the function evaluation from stage i-1 (ros_NewF(i) =FALSE) |
---|
| 2129 | ros_newf(1) = .TRUE. |
---|
| 2130 | ros_newf(2) = .FALSE. |
---|
| 2131 | ros_newf(3) = .TRUE. |
---|
| 2132 | ros_newf(4) = .TRUE. |
---|
| 2133 | !~~~> m_i = coefficients for new step solution |
---|
| 2134 | ros_m(1) = 2.0_dp |
---|
| 2135 | ros_m(2) = 0.0_dp |
---|
| 2136 | ros_m(3) = 1.0_dp |
---|
| 2137 | ros_m(4) = 1.0_dp |
---|
| 2138 | !~~~> e_i = coefficients for error estimator |
---|
| 2139 | ros_e(1) = 0.0_dp |
---|
| 2140 | ros_e(2) = 0.0_dp |
---|
| 2141 | ros_e(3) = 0.0_dp |
---|
| 2142 | ros_e(4) = 1.0_dp |
---|
| 2143 | !~~~> ros_elo = estimator of local order - the minimum between the |
---|
| 2144 | ! main and the embedded scheme orders plus 1 |
---|
| 2145 | ros_elo = 3.0_dp |
---|
| 2146 | !~~~> y_stage_i ~ y( t + h* alpha_i) |
---|
| 2147 | ros_alpha(1) = 0.0_dp |
---|
| 2148 | ros_alpha(2) = 0.0_dp |
---|
| 2149 | ros_alpha(3) = 1.0_dp |
---|
| 2150 | ros_alpha(4) = 1.0_dp |
---|
| 2151 | !~~~> gamma_i = \sum_j gamma_{i, j} |
---|
| 2152 | ros_gamma(1) = 0.5_dp |
---|
| 2153 | ros_gamma(2) = 1.5_dp |
---|
| 2154 | ros_gamma(3) = 0.0_dp |
---|
| 2155 | ros_gamma(4) = 0.0_dp |
---|
| 2156 | |
---|
| 2157 | END SUBROUTINE rodas3 |
---|
| 2158 | |
---|
| 2159 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2160 | SUBROUTINE rodas4 |
---|
| 2161 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2162 | ! STIFFLY-STABLE ROSENBROCK METHOD OF ORDER 4,WITH 6 STAGES |
---|
| 2163 | ! |
---|
| 2164 | ! E. HAIRER AND G. WANNER,SOLVING ORDINARY DIFFERENTIAL |
---|
| 2165 | ! EQUATIONS II. STIFF AND DIFFERENTIAL-ALGEBRAIC PROBLEMS. |
---|
| 2166 | ! SPRINGER SERIES IN COMPUTATIONAL MATHEMATICS, |
---|
| 2167 | ! SPRINGER-VERLAG (1996) |
---|
| 2168 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2169 | |
---|
| 2170 | |
---|
| 2171 | rosmethod = rd4 |
---|
| 2172 | !~~~> name of the method |
---|
| 2173 | ros_Name = 'RODAS-4' |
---|
| 2174 | !~~~> number of stages |
---|
| 2175 | ros_s = 6 |
---|
| 2176 | |
---|
| 2177 | !~~~> y_stage_i ~ y( t + h* alpha_i) |
---|
| 2178 | ros_alpha(1) = 0.000_dp |
---|
| 2179 | ros_alpha(2) = 0.386_dp |
---|
| 2180 | ros_alpha(3) = 0.210_dp |
---|
| 2181 | ros_alpha(4) = 0.630_dp |
---|
| 2182 | ros_alpha(5) = 1.000_dp |
---|
| 2183 | ros_alpha(6) = 1.000_dp |
---|
| 2184 | |
---|
| 2185 | !~~~> gamma_i = \sum_j gamma_{i, j} |
---|
| 2186 | ros_gamma(1) = 0.2500000000000000_dp |
---|
| 2187 | ros_gamma(2) = -0.1043000000000000_dp |
---|
| 2188 | ros_gamma(3) = 0.1035000000000000_dp |
---|
| 2189 | ros_gamma(4) = -0.3620000000000023e-01_dp |
---|
| 2190 | ros_gamma(5) = 0.0_dp |
---|
| 2191 | ros_gamma(6) = 0.0_dp |
---|
| 2192 | |
---|
| 2193 | !~~~> the coefficient matrices a and c are strictly lower triangular. |
---|
| 2194 | ! The lower triangular (subdiagonal) elements are stored in row-wise order: |
---|
| 2195 | ! A(2,1) = ros_A(1),A(3,1) =ros_A(2),A(3,2) =ros_A(3),etc. |
---|
| 2196 | ! The general mapping formula is: A(i,j) = ros_A( (i-1)*(i-2)/2 + j) |
---|
| 2197 | ! C(i,j) = ros_C( (i-1)*(i-2)/2 + j) |
---|
| 2198 | |
---|
| 2199 | ros_a(1) = 0.1544000000000000e+01_dp |
---|
| 2200 | ros_a(2) = 0.9466785280815826_dp |
---|
| 2201 | ros_a(3) = 0.2557011698983284_dp |
---|
| 2202 | ros_a(4) = 0.3314825187068521e+01_dp |
---|
| 2203 | ros_a(5) = 0.2896124015972201e+01_dp |
---|
| 2204 | ros_a(6) = 0.9986419139977817_dp |
---|
| 2205 | ros_a(7) = 0.1221224509226641e+01_dp |
---|
| 2206 | ros_a(8) = 0.6019134481288629e+01_dp |
---|
| 2207 | ros_a(9) = 0.1253708332932087e+02_dp |
---|
| 2208 | ros_a(10) = -0.6878860361058950_dp |
---|
| 2209 | ros_a(11) = ros_a(7) |
---|
| 2210 | ros_a(12) = ros_a(8) |
---|
| 2211 | ros_a(13) = ros_a(9) |
---|
| 2212 | ros_a(14) = ros_a(10) |
---|
| 2213 | ros_a(15) = 1.0_dp |
---|
| 2214 | |
---|
| 2215 | ros_c(1) = -0.5668800000000000e+01_dp |
---|
| 2216 | ros_c(2) = -0.2430093356833875e+01_dp |
---|
| 2217 | ros_c(3) = -0.2063599157091915_dp |
---|
| 2218 | ros_c(4) = -0.1073529058151375_dp |
---|
| 2219 | ros_c(5) = -0.9594562251023355e+01_dp |
---|
| 2220 | ros_c(6) = -0.2047028614809616e+02_dp |
---|
| 2221 | ros_c(7) = 0.7496443313967647e+01_dp |
---|
| 2222 | ros_c(8) = -0.1024680431464352e+02_dp |
---|
| 2223 | ros_c(9) = -0.3399990352819905e+02_dp |
---|
| 2224 | ros_c(10) = 0.1170890893206160e+02_dp |
---|
| 2225 | ros_c(11) = 0.8083246795921522e+01_dp |
---|
| 2226 | ros_c(12) = -0.7981132988064893e+01_dp |
---|
| 2227 | ros_c(13) = -0.3152159432874371e+02_dp |
---|
| 2228 | ros_c(14) = 0.1631930543123136e+02_dp |
---|
| 2229 | ros_c(15) = -0.6058818238834054e+01_dp |
---|
| 2230 | |
---|
| 2231 | !~~~> m_i = coefficients for new step solution |
---|
| 2232 | ros_m(1) = ros_a(7) |
---|
| 2233 | ros_m(2) = ros_a(8) |
---|
| 2234 | ros_m(3) = ros_a(9) |
---|
| 2235 | ros_m(4) = ros_a(10) |
---|
| 2236 | ros_m(5) = 1.0_dp |
---|
| 2237 | ros_m(6) = 1.0_dp |
---|
| 2238 | |
---|
| 2239 | !~~~> e_i = coefficients for error estimator |
---|
| 2240 | ros_e(1) = 0.0_dp |
---|
| 2241 | ros_e(2) = 0.0_dp |
---|
| 2242 | ros_e(3) = 0.0_dp |
---|
| 2243 | ros_e(4) = 0.0_dp |
---|
| 2244 | ros_e(5) = 0.0_dp |
---|
| 2245 | ros_e(6) = 1.0_dp |
---|
| 2246 | |
---|
| 2247 | !~~~> does the stage i require a new FUNCTION evaluation (ros_newf(i) =true) |
---|
| 2248 | ! or does it re-use the function evaluation from stage i-1 (ros_NewF(i) =FALSE) |
---|
| 2249 | ros_newf(1) = .TRUE. |
---|
| 2250 | ros_newf(2) = .TRUE. |
---|
| 2251 | ros_newf(3) = .TRUE. |
---|
| 2252 | ros_newf(4) = .TRUE. |
---|
| 2253 | ros_newf(5) = .TRUE. |
---|
| 2254 | ros_newf(6) = .TRUE. |
---|
| 2255 | |
---|
| 2256 | !~~~> ros_elo = estimator of local order - the minimum between the |
---|
| 2257 | ! main and the embedded scheme orders plus 1 |
---|
| 2258 | ros_elo = 4.0_dp |
---|
| 2259 | |
---|
| 2260 | END SUBROUTINE rodas4 |
---|
| 2261 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2262 | SUBROUTINE rang3 |
---|
| 2263 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2264 | ! STIFFLY-STABLE W METHOD OF ORDER 3,WITH 4 STAGES |
---|
| 2265 | ! |
---|
| 2266 | ! J. RANG and L. ANGERMANN |
---|
| 2267 | ! NEW ROSENBROCK W-METHODS OF ORDER 3 |
---|
| 2268 | ! FOR PARTIAL DIFFERENTIAL ALGEBRAIC |
---|
| 2269 | ! EQUATIONS OF INDEX 1 |
---|
| 2270 | ! BIT Numerical Mathematics (2005) 45: 761-787 |
---|
| 2271 | ! DOI: 10.1007/s10543-005-0035-y |
---|
| 2272 | ! Table 4.1-4.2 |
---|
| 2273 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2274 | |
---|
| 2275 | |
---|
| 2276 | rosmethod = rg3 |
---|
| 2277 | !~~~> name of the method |
---|
| 2278 | ros_Name = 'RANG-3' |
---|
| 2279 | !~~~> number of stages |
---|
| 2280 | ros_s = 4 |
---|
| 2281 | |
---|
| 2282 | ros_a(1) = 5.09052051067020d+00; |
---|
| 2283 | ros_a(2) = 5.09052051067020d+00; |
---|
| 2284 | ros_a(3) = 0.0d0; |
---|
| 2285 | ros_a(4) = 4.97628111010787d+00; |
---|
| 2286 | ros_a(5) = 2.77268164715849d-02; |
---|
| 2287 | ros_a(6) = 2.29428036027904d-01; |
---|
| 2288 | |
---|
| 2289 | ros_c(1) = - 1.16790812312283d+01; |
---|
| 2290 | ros_c(2) = - 1.64057326467367d+01; |
---|
| 2291 | ros_c(3) = - 2.77268164715850d-01; |
---|
| 2292 | ros_c(4) = - 8.38103960500476d+00; |
---|
| 2293 | ros_c(5) = - 8.48328409199343d-01; |
---|
| 2294 | ros_c(6) = 2.87009860433106d-01; |
---|
| 2295 | |
---|
| 2296 | ros_m(1) = 5.22582761233094d+00; |
---|
| 2297 | ros_m(2) = - 5.56971148154165d-01; |
---|
| 2298 | ros_m(3) = 3.57979469353645d-01; |
---|
| 2299 | ros_m(4) = 1.72337398521064d+00; |
---|
| 2300 | |
---|
| 2301 | ros_e(1) = - 5.16845212784040d+00; |
---|
| 2302 | ros_e(2) = - 1.26351942603842d+00; |
---|
| 2303 | ros_e(3) = - 1.11022302462516d-16; |
---|
| 2304 | ros_e(4) = 2.22044604925031d-16; |
---|
| 2305 | |
---|
| 2306 | ros_alpha(1) = 0.0d00; |
---|
| 2307 | ros_alpha(2) = 2.21878746765329d+00; |
---|
| 2308 | ros_alpha(3) = 2.21878746765329d+00; |
---|
| 2309 | ros_alpha(4) = 1.55392337535788d+00; |
---|
| 2310 | |
---|
| 2311 | ros_gamma(1) = 4.35866521508459d-01; |
---|
| 2312 | ros_gamma(2) = - 1.78292094614483d+00; |
---|
| 2313 | ros_gamma(3) = - 2.46541900496934d+00; |
---|
| 2314 | ros_gamma(4) = - 8.05529997906370d-01; |
---|
| 2315 | |
---|
| 2316 | |
---|
| 2317 | !~~~> does the stage i require a new FUNCTION evaluation (ros_newf(i) =true) |
---|
| 2318 | ! or does it re-use the function evaluation from stage i-1 (ros_NewF(i) =FALSE) |
---|
| 2319 | ros_newf(1) = .TRUE. |
---|
| 2320 | ros_newf(2) = .TRUE. |
---|
| 2321 | ros_newf(3) = .TRUE. |
---|
| 2322 | ros_newf(4) = .TRUE. |
---|
| 2323 | |
---|
| 2324 | !~~~> ros_elo = estimator of local order - the minimum between the |
---|
| 2325 | ! main and the embedded scheme orders plus 1 |
---|
| 2326 | ros_elo = 3.0_dp |
---|
| 2327 | |
---|
| 2328 | END SUBROUTINE rang3 |
---|
| 2329 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2330 | |
---|
| 2331 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2332 | ! End of the set of internal Rosenbrock subroutines |
---|
| 2333 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2334 | END SUBROUTINE rosenbrock |
---|
| 2335 | |
---|
| 2336 | SUBROUTINE funtemplate( t, y, ydot) |
---|
| 2337 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2338 | ! Template for the ODE function call. |
---|
| 2339 | ! Updates the rate coefficients (and possibly the fixed species) at each call |
---|
| 2340 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2341 | !~~~> input variables |
---|
| 2342 | REAL(kind=dp):: t, y(nvar) |
---|
| 2343 | !~~~> output variables |
---|
| 2344 | REAL(kind=dp):: ydot(nvar) |
---|
| 2345 | !~~~> local variables |
---|
| 2346 | REAL(kind=dp):: told |
---|
| 2347 | |
---|
| 2348 | told = time |
---|
| 2349 | time = t |
---|
| 2350 | CALL fun( y, fix, rconst, ydot) |
---|
| 2351 | time = told |
---|
| 2352 | |
---|
| 2353 | END SUBROUTINE funtemplate |
---|
| 2354 | |
---|
| 2355 | SUBROUTINE jactemplate( t, y, jcb) |
---|
| 2356 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2357 | ! Template for the ODE Jacobian call. |
---|
| 2358 | ! Updates the rate coefficients (and possibly the fixed species) at each call |
---|
| 2359 | !~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2360 | !~~~> input variables |
---|
| 2361 | REAL(kind=dp):: t, y(nvar) |
---|
| 2362 | !~~~> output variables |
---|
| 2363 | #ifdef full_algebra |
---|
| 2364 | REAL(kind=dp):: jv(lu_nonzero), jcb(nvar, nvar) |
---|
| 2365 | #else |
---|
| 2366 | REAL(kind=dp):: jcb(lu_nonzero) |
---|
| 2367 | #endif |
---|
| 2368 | !~~~> local variables |
---|
| 2369 | REAL(kind=dp):: told |
---|
| 2370 | #ifdef full_algebra |
---|
| 2371 | INTEGER :: i, j |
---|
| 2372 | #endif |
---|
| 2373 | |
---|
| 2374 | told = time |
---|
| 2375 | time = t |
---|
| 2376 | #ifdef full_algebra |
---|
| 2377 | CALL jac_sp(y, fix, rconst, jv) |
---|
| 2378 | DO j=1, nvar |
---|
| 2379 | DO i=1, nvar |
---|
| 2380 | jcb(i, j) = 0.0_dp |
---|
| 2381 | ENDDO |
---|
| 2382 | ENDDO |
---|
| 2383 | DO i=1, lu_nonzero |
---|
| 2384 | jcb(lu_irow(i), lu_icol(i)) = jv(i) |
---|
| 2385 | ENDDO |
---|
| 2386 | #else |
---|
| 2387 | CALL jac_sp( y, fix, rconst, jcb) |
---|
| 2388 | #endif |
---|
| 2389 | time = told |
---|
| 2390 | |
---|
| 2391 | END SUBROUTINE jactemplate |
---|
| 2392 | |
---|
| 2393 | SUBROUTINE kppdecomp( jvs, ier) |
---|
| 2394 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2395 | ! sparse lu factorization |
---|
| 2396 | ! ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
---|
| 2397 | ! loop expansion generated by kp4 |
---|
| 2398 | |
---|
| 2399 | INTEGER :: ier |
---|
| 2400 | REAL(kind=dp):: jvs(lu_nonzero), a |
---|
| 2401 | |
---|
| 2402 | a = 0. |
---|
| 2403 | ier = 0 |
---|
| 2404 | |
---|
| 2405 | ! i = 1 |
---|
| 2406 | ! i = 2 |
---|
| 2407 | ! i = 3 |
---|
| 2408 | ! i = 4 |
---|
| 2409 | ! i = 5 |
---|
| 2410 | ! i = 6 |
---|
| 2411 | ! i = 7 |
---|
| 2412 | jvs(16) = (jvs(16)) / jvs(8) |
---|
| 2413 | jvs(17) = (jvs(17)) / jvs(10) |
---|
| 2414 | jvs(18) = (jvs(18)) / jvs(13) |
---|
| 2415 | jvs(19) = jvs(19) - jvs(9) * jvs(16) |
---|
| 2416 | jvs(20) = jvs(20) - jvs(11) * jvs(17) |
---|
| 2417 | jvs(21) = jvs(21) - jvs(12) * jvs(17) - jvs(14) * jvs(18) |
---|
| 2418 | jvs(22) = jvs(22) - jvs(15) * jvs(18) |
---|
| 2419 | ! i = 8 |
---|
| 2420 | jvs(23) = (jvs(23)) / jvs(8) |
---|
| 2421 | a = 0.0; a = a - jvs(9) * jvs(23) |
---|
| 2422 | jvs(24) = (jvs(24) + a) / jvs(19) |
---|
| 2423 | jvs(25) = jvs(25) - jvs(20) * jvs(24) |
---|
| 2424 | jvs(26) = jvs(26) - jvs(21) * jvs(24) |
---|
| 2425 | jvs(27) = jvs(27) - jvs(22) * jvs(24) |
---|
| 2426 | ! i = 9 |
---|
| 2427 | jvs(28) = (jvs(28)) / jvs(10) |
---|
| 2428 | jvs(29) = (jvs(29)) / jvs(13) |
---|
| 2429 | a = 0.0; a = a - jvs(11) * jvs(28) |
---|
| 2430 | jvs(30) = (jvs(30) + a) / jvs(25) |
---|
| 2431 | jvs(31) = jvs(31) - jvs(12) * jvs(28) - jvs(14) * jvs(29) - jvs(26) * jvs(30) |
---|
| 2432 | jvs(32) = jvs(32) - jvs(15) * jvs(29) - jvs(27) * jvs(30) |
---|
| 2433 | ! i = 10 |
---|
| 2434 | jvs(33) = (jvs(33)) / jvs(10) |
---|
| 2435 | jvs(34) = (jvs(34)) / jvs(13) |
---|
| 2436 | jvs(35) = (jvs(35)) / jvs(19) |
---|
| 2437 | a = 0.0; a = a - jvs(11) * jvs(33) - jvs(20) * jvs(35) |
---|
| 2438 | jvs(36) = (jvs(36) + a) / jvs(25) |
---|
| 2439 | a = 0.0; a = a - jvs(12) * jvs(33) - jvs(14) * jvs(34) - jvs(21) * jvs(35) - jvs(26) * jvs(36) |
---|
| 2440 | jvs(37) = (jvs(37) + a) / jvs(31) |
---|
| 2441 | jvs(38) = jvs(38) - jvs(15) * jvs(34) - jvs(22) * jvs(35) - jvs(27) * jvs(36) - jvs(32) * jvs(37) |
---|
| 2442 | RETURN |
---|
| 2443 | |
---|
| 2444 | END SUBROUTINE kppdecomp |
---|
| 2445 | |
---|
| 2446 | SUBROUTINE get_mechanism_name |
---|
| 2447 | |
---|
| 2448 | IMPLICIT NONE |
---|
| 2449 | |
---|
| 2450 | ! Set cs_mech for check with mechanism name from namelist |
---|
| 2451 | cs_mech = 'simplep' |
---|
| 2452 | |
---|
| 2453 | RETURN |
---|
| 2454 | END SUBROUTINE get_mechanism_name |
---|
| 2455 | |
---|
| 2456 | |
---|
| 2457 | SUBROUTINE chem_gasphase_integrate (time_step_len, conc, tempi, qvapi, fakti, photo, ierrf, xnacc, xnrej, istatus, l_debug, pe, & |
---|
| 2458 | icntrl_i, rcntrl_i) |
---|
| 2459 | |
---|
| 2460 | IMPLICIT NONE |
---|
| 2461 | |
---|
| 2462 | REAL(dp), INTENT(IN) :: time_step_len |
---|
| 2463 | REAL(dp), DIMENSION(:, :), INTENT(INOUT) :: conc |
---|
| 2464 | REAL(dp), DIMENSION(:, :), INTENT(IN) :: photo |
---|
| 2465 | REAL(dp), DIMENSION(:), INTENT(IN) :: tempi |
---|
| 2466 | REAL(dp), DIMENSION(:), INTENT(IN) :: qvapi |
---|
| 2467 | REAL(dp), DIMENSION(:), INTENT(IN) :: fakti |
---|
| 2468 | INTEGER, INTENT(OUT), OPTIONAL :: ierrf(:) |
---|
| 2469 | INTEGER, INTENT(OUT), OPTIONAL :: xnacc(:) |
---|
| 2470 | INTEGER, INTENT(OUT), OPTIONAL :: xnrej(:) |
---|
| 2471 | INTEGER, INTENT(INOUT), OPTIONAL :: istatus(:) |
---|
| 2472 | INTEGER, INTENT(IN), OPTIONAL :: pe |
---|
| 2473 | LOGICAL, INTENT(IN), OPTIONAL :: l_debug |
---|
| 2474 | INTEGER, DIMENSION(nkppctrl), INTENT(IN), OPTIONAL :: icntrl_i |
---|
| 2475 | REAL(dp), DIMENSION(nkppctrl), INTENT(IN), OPTIONAL :: rcntrl_i |
---|
| 2476 | |
---|
| 2477 | INTEGER :: k ! loop variable |
---|
| 2478 | REAL(dp) :: dt |
---|
| 2479 | INTEGER, DIMENSION(20) :: istatus_u |
---|
| 2480 | INTEGER :: ierr_u |
---|
| 2481 | INTEGER :: vl_dim_lo |
---|
| 2482 | |
---|
| 2483 | |
---|
| 2484 | IF (PRESENT (istatus)) istatus = 0 |
---|
| 2485 | IF (PRESENT (icntrl_i)) icntrl = icntrl_i |
---|
| 2486 | IF (PRESENT (rcntrl_i)) rcntrl = rcntrl_i |
---|
| 2487 | |
---|
| 2488 | var => c(1:nvar) |
---|
| 2489 | |
---|
| 2490 | vl_glo = size(tempi, 1) |
---|
| 2491 | |
---|
| 2492 | vl_dim_lo = vl_dim |
---|
| 2493 | DO k=1, vl_glo, vl_dim_lo |
---|
| 2494 | is = k |
---|
| 2495 | ie = min(k+ vl_dim_lo-1, vl_glo) |
---|
| 2496 | vl = ie-is+ 1 |
---|
| 2497 | |
---|
| 2498 | c(:) = conc(is, :) |
---|
| 2499 | |
---|
| 2500 | temp = tempi(is) |
---|
| 2501 | |
---|
| 2502 | qvap = qvapi(is) |
---|
| 2503 | |
---|
| 2504 | fakt = fakti(is) |
---|
| 2505 | |
---|
| 2506 | CALL initialize |
---|
| 2507 | |
---|
| 2508 | phot(:) = photo(is, :) |
---|
| 2509 | |
---|
| 2510 | CALL update_rconst |
---|
| 2511 | |
---|
| 2512 | dt = time_step_len |
---|
| 2513 | |
---|
| 2514 | ! integrate from t=0 to t=dt |
---|
| 2515 | CALL integrate(0._dp, dt, icntrl, rcntrl, istatus_u = istatus_u, ierr_u=ierr_u) |
---|
| 2516 | |
---|
| 2517 | |
---|
| 2518 | IF (PRESENT(l_debug) .AND. PRESENT(pe)) THEN |
---|
| 2519 | IF (l_debug) CALL error_output(conc(is, :), ierr_u, pe) |
---|
| 2520 | ENDIF |
---|
| 2521 | |
---|
| 2522 | conc(is, :) = c(:) |
---|
| 2523 | |
---|
| 2524 | ! RETURN diagnostic information |
---|
| 2525 | |
---|
| 2526 | IF (PRESENT(ierrf)) ierrf(is) = ierr_u |
---|
| 2527 | IF (PRESENT(xnacc)) xnacc(is) = istatus_u(4) |
---|
| 2528 | IF (PRESENT(xnrej)) xnrej(is) = istatus_u(5) |
---|
| 2529 | |
---|
| 2530 | IF (PRESENT (istatus)) THEN |
---|
| 2531 | istatus(1:8) = istatus(1:8) + istatus_u(1:8) |
---|
| 2532 | ENDIF |
---|
| 2533 | |
---|
| 2534 | END DO |
---|
| 2535 | |
---|
| 2536 | |
---|
| 2537 | ! Deallocate input arrays |
---|
| 2538 | |
---|
| 2539 | |
---|
| 2540 | data_loaded = .FALSE. |
---|
| 2541 | |
---|
| 2542 | RETURN |
---|
| 2543 | END SUBROUTINE chem_gasphase_integrate |
---|
| 2544 | |
---|
| 2545 | END MODULE chem_gasphase_mod |
---|
| 2546 | |
---|