1 | !> @file boundary_conds.f90 |
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2 | !------------------------------------------------------------------------------! |
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3 | ! This file is part of the PALM model system. |
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4 | ! |
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5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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6 | ! terms of the GNU General Public License as published by the Free Software |
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7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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8 | ! version. |
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9 | ! |
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10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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13 | ! |
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14 | ! You should have received a copy of the GNU General Public License along with |
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15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
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18 | !------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! Current revisions: |
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21 | ! ----------------- |
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22 | ! |
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23 | ! |
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24 | ! Former revisions: |
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25 | ! ----------------- |
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26 | ! $Id: boundary_conds.f90 4268 2019-10-17 11:29:38Z schwenkel $ |
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27 | ! Removing bulk cloud variables to respective module |
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28 | ! |
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29 | ! 4182 2019-08-22 15:20:23Z scharf |
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30 | ! Corrected "Former revisions" section |
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31 | ! |
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32 | ! 4102 2019-07-17 16:00:03Z suehring |
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33 | ! - Revise setting for boundary conditions at horizontal walls, use the offset |
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34 | ! index that belongs to the data structure instead of pre-calculating |
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35 | ! the offset index for each facing. |
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36 | ! - Set boundary conditions for bulk-cloud quantities also at downward facing |
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37 | ! surfaces |
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38 | ! |
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39 | ! 4087 2019-07-11 11:35:23Z gronemeier |
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40 | ! Add comment |
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41 | ! |
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42 | ! 4086 2019-07-11 05:55:44Z gronemeier |
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43 | ! Bugfix: use constant-flux layer condition for e in all rans modes |
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44 | ! |
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45 | ! 3879 2019-04-08 20:25:23Z knoop |
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46 | ! Bugfix, do not set boundary conditions for potential temperature in neutral |
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47 | ! runs. |
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48 | ! |
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49 | ! 3655 2019-01-07 16:51:22Z knoop |
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50 | ! OpenACC port for SPEC |
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51 | ! |
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52 | ! Revision 1.1 1997/09/12 06:21:34 raasch |
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53 | ! Initial revision |
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54 | ! |
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55 | ! |
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56 | ! Description: |
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57 | ! ------------ |
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58 | !> Boundary conditions for the prognostic quantities. |
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59 | !> One additional bottom boundary condition is applied for the TKE (=(u*)**2) |
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60 | !> in prandtl_fluxes. The cyclic lateral boundary conditions are implicitly |
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61 | !> handled in routine exchange_horiz. Pressure boundary conditions are |
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62 | !> explicitly set in routines pres, poisfft, poismg and sor. |
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63 | !------------------------------------------------------------------------------! |
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64 | SUBROUTINE boundary_conds |
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65 | |
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66 | |
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67 | USE arrays_3d, & |
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68 | ONLY: c_u, c_u_m, c_u_m_l, c_v, c_v_m, c_v_m_l, c_w, c_w_m, c_w_m_l, & |
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69 | dzu, pt, pt_init, pt_p, q, & |
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70 | q_p, s, s_p, sa, sa_p, u, u_init, u_m_l, u_m_n, & |
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71 | u_m_r, u_m_s, u_p, v, v_init, v_m_l, v_m_n, v_m_r, v_m_s, v_p, & |
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72 | w, w_p, w_m_l, w_m_n, w_m_r, w_m_s |
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73 | |
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74 | USE chemistry_model_mod, & |
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75 | ONLY: chem_boundary_conds |
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76 | |
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77 | USE control_parameters, & |
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78 | ONLY: air_chemistry, bc_dirichlet_l, & |
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79 | bc_dirichlet_s, bc_radiation_l, bc_radiation_n, bc_radiation_r, & |
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80 | bc_radiation_s, bc_pt_t_val, bc_q_t_val, bc_s_t_val, & |
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81 | child_domain, coupling_mode, dt_3d, & |
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82 | humidity, ibc_pt_b, ibc_pt_t, ibc_q_b, ibc_q_t, ibc_s_b, & |
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83 | ibc_s_t, ibc_uv_b, ibc_uv_t, intermediate_timestep_count, & |
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84 | nesting_offline, neutral, nudging, ocean_mode, passive_scalar, & |
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85 | tsc, salsa, use_cmax |
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86 | |
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87 | USE grid_variables, & |
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88 | ONLY: ddx, ddy, dx, dy |
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89 | |
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90 | USE indices, & |
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91 | ONLY: nx, nxl, nxlg, nxr, nxrg, ny, nyn, nyng, nys, nysg, nzb, nzt |
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92 | |
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93 | USE kinds |
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94 | |
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95 | USE ocean_mod, & |
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96 | ONLY: ibc_sa_t |
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97 | |
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98 | USE pegrid |
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99 | |
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100 | USE pmc_interface, & |
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101 | ONLY : nesting_mode |
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102 | |
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103 | USE salsa_mod, & |
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104 | ONLY: salsa_boundary_conds |
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105 | |
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106 | USE surface_mod, & |
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107 | ONLY : bc_h |
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108 | |
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109 | USE turbulence_closure_mod, & |
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110 | ONLY: tcm_boundary_conds |
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111 | |
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112 | IMPLICIT NONE |
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113 | |
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114 | INTEGER(iwp) :: i !< grid index x direction |
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115 | INTEGER(iwp) :: j !< grid index y direction |
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116 | INTEGER(iwp) :: k !< grid index z direction |
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117 | INTEGER(iwp) :: l !< running index boundary type, for up- and downward-facing walls |
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118 | INTEGER(iwp) :: m !< running index surface elements |
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119 | |
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120 | REAL(wp) :: c_max !< maximum phase velocity allowed by CFL criterion, used for outflow boundary condition |
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121 | REAL(wp) :: denom !< horizontal gradient of velocity component normal to the outflow boundary |
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122 | |
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123 | |
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124 | ! |
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125 | !-- Bottom boundary |
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126 | IF ( ibc_uv_b == 1 ) THEN |
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127 | u_p(nzb,:,:) = u_p(nzb+1,:,:) |
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128 | v_p(nzb,:,:) = v_p(nzb+1,:,:) |
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129 | ENDIF |
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130 | ! |
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131 | !-- Set zero vertical velocity at topography top (l=0), or bottom (l=1) in case |
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132 | !-- of downward-facing surfaces. |
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133 | DO l = 0, 1 |
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134 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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135 | !$ACC PARALLEL LOOP PRIVATE(i, j, k) & |
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136 | !$ACC PRESENT(bc_h, w_p) |
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137 | DO m = 1, bc_h(l)%ns |
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138 | i = bc_h(l)%i(m) |
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139 | j = bc_h(l)%j(m) |
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140 | k = bc_h(l)%k(m) |
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141 | w_p(k+bc_h(l)%koff,j,i) = 0.0_wp |
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142 | ENDDO |
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143 | ENDDO |
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144 | |
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145 | ! |
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146 | !-- Top boundary. A nested domain ( ibc_uv_t = 3 ) does not require settings. |
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147 | IF ( ibc_uv_t == 0 ) THEN |
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148 | !$ACC KERNELS PRESENT(u_p, v_p, u_init, v_init) |
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149 | u_p(nzt+1,:,:) = u_init(nzt+1) |
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150 | v_p(nzt+1,:,:) = v_init(nzt+1) |
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151 | !$ACC END KERNELS |
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152 | ELSEIF ( ibc_uv_t == 1 ) THEN |
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153 | u_p(nzt+1,:,:) = u_p(nzt,:,:) |
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154 | v_p(nzt+1,:,:) = v_p(nzt,:,:) |
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155 | ENDIF |
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156 | |
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157 | ! |
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158 | !-- Vertical nesting: Vertical velocity not zero at the top of the fine grid |
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159 | IF ( .NOT. child_domain .AND. .NOT. nesting_offline .AND. & |
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160 | TRIM(coupling_mode) /= 'vnested_fine' ) THEN |
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161 | !$ACC KERNELS PRESENT(w_p) |
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162 | w_p(nzt:nzt+1,:,:) = 0.0_wp !< nzt is not a prognostic level (but cf. pres) |
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163 | !$ACC END KERNELS |
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164 | ENDIF |
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165 | |
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166 | ! |
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167 | !-- Temperature at bottom and top boundary. |
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168 | !-- In case of coupled runs (ibc_pt_b = 2) the temperature is given by |
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169 | !-- the sea surface temperature of the coupled ocean model. |
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170 | !-- Dirichlet |
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171 | IF ( .NOT. neutral ) THEN |
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172 | IF ( ibc_pt_b == 0 ) THEN |
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173 | DO l = 0, 1 |
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174 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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175 | DO m = 1, bc_h(l)%ns |
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176 | i = bc_h(l)%i(m) |
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177 | j = bc_h(l)%j(m) |
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178 | k = bc_h(l)%k(m) |
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179 | pt_p(k+bc_h(l)%koff,j,i) = pt(k+bc_h(l)%koff,j,i) |
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180 | ENDDO |
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181 | ENDDO |
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182 | ! |
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183 | !-- Neumann, zero-gradient |
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184 | ELSEIF ( ibc_pt_b == 1 ) THEN |
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185 | DO l = 0, 1 |
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186 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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187 | !$ACC PARALLEL LOOP PRIVATE(i, j, k) & |
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188 | !$ACC PRESENT(bc_h, pt_p) |
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189 | DO m = 1, bc_h(l)%ns |
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190 | i = bc_h(l)%i(m) |
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191 | j = bc_h(l)%j(m) |
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192 | k = bc_h(l)%k(m) |
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193 | pt_p(k+bc_h(l)%koff,j,i) = pt_p(k,j,i) |
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194 | ENDDO |
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195 | ENDDO |
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196 | ENDIF |
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197 | |
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198 | ! |
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199 | !-- Temperature at top boundary |
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200 | IF ( ibc_pt_t == 0 ) THEN |
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201 | pt_p(nzt+1,:,:) = pt(nzt+1,:,:) |
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202 | ! |
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203 | !-- In case of nudging adjust top boundary to pt which is |
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204 | !-- read in from NUDGING-DATA |
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205 | IF ( nudging ) THEN |
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206 | pt_p(nzt+1,:,:) = pt_init(nzt+1) |
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207 | ENDIF |
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208 | ELSEIF ( ibc_pt_t == 1 ) THEN |
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209 | pt_p(nzt+1,:,:) = pt_p(nzt,:,:) |
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210 | ELSEIF ( ibc_pt_t == 2 ) THEN |
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211 | !$ACC KERNELS PRESENT(pt_p, dzu) |
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212 | pt_p(nzt+1,:,:) = pt_p(nzt,:,:) + bc_pt_t_val * dzu(nzt+1) |
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213 | !$ACC END KERNELS |
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214 | ENDIF |
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215 | ENDIF |
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216 | ! |
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217 | !-- Boundary conditions for salinity |
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218 | IF ( ocean_mode ) THEN |
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219 | ! |
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220 | !-- Bottom boundary: Neumann condition because salinity flux is always |
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221 | !-- given. |
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222 | DO l = 0, 1 |
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223 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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224 | DO m = 1, bc_h(l)%ns |
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225 | i = bc_h(l)%i(m) |
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226 | j = bc_h(l)%j(m) |
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227 | k = bc_h(l)%k(m) |
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228 | sa_p(k+bc_h(l)%koff,j,i) = sa_p(k,j,i) |
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229 | ENDDO |
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230 | ENDDO |
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231 | ! |
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232 | !-- Top boundary: Dirichlet or Neumann |
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233 | IF ( ibc_sa_t == 0 ) THEN |
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234 | sa_p(nzt+1,:,:) = sa(nzt+1,:,:) |
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235 | ELSEIF ( ibc_sa_t == 1 ) THEN |
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236 | sa_p(nzt+1,:,:) = sa_p(nzt,:,:) |
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237 | ENDIF |
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238 | |
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239 | ENDIF |
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240 | |
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241 | ! |
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242 | !-- Boundary conditions for total water content, |
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243 | !-- bottom and top boundary (see also temperature) |
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244 | IF ( humidity ) THEN |
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245 | ! |
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246 | !-- Surface conditions for constant_humidity_flux |
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247 | !-- Run loop over all non-natural and natural walls. Note, in wall-datatype |
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248 | !-- the k coordinate belongs to the atmospheric grid point, therefore, set |
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249 | !-- q_p at k-1 |
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250 | IF ( ibc_q_b == 0 ) THEN |
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251 | |
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252 | DO l = 0, 1 |
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253 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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254 | DO m = 1, bc_h(l)%ns |
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255 | i = bc_h(l)%i(m) |
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256 | j = bc_h(l)%j(m) |
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257 | k = bc_h(l)%k(m) |
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258 | q_p(k+bc_h(l)%koff,j,i) = q(k+bc_h(l)%koff,j,i) |
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259 | ENDDO |
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260 | ENDDO |
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261 | |
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262 | ELSE |
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263 | |
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264 | DO l = 0, 1 |
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265 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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266 | DO m = 1, bc_h(l)%ns |
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267 | i = bc_h(l)%i(m) |
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268 | j = bc_h(l)%j(m) |
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269 | k = bc_h(l)%k(m) |
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270 | q_p(k+bc_h(l)%koff,j,i) = q_p(k,j,i) |
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271 | ENDDO |
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272 | ENDDO |
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273 | ENDIF |
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274 | ! |
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275 | !-- Top boundary |
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276 | IF ( ibc_q_t == 0 ) THEN |
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277 | q_p(nzt+1,:,:) = q(nzt+1,:,:) |
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278 | ELSEIF ( ibc_q_t == 1 ) THEN |
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279 | q_p(nzt+1,:,:) = q_p(nzt,:,:) + bc_q_t_val * dzu(nzt+1) |
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280 | ENDIF |
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281 | ENDIF |
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282 | ! |
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283 | !-- Boundary conditions for scalar, |
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284 | !-- bottom and top boundary (see also temperature) |
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285 | IF ( passive_scalar ) THEN |
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286 | ! |
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287 | !-- Surface conditions for constant_humidity_flux |
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288 | !-- Run loop over all non-natural and natural walls. Note, in wall-datatype |
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289 | !-- the k coordinate belongs to the atmospheric grid point, therefore, set |
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290 | !-- s_p at k-1 |
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291 | IF ( ibc_s_b == 0 ) THEN |
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292 | |
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293 | DO l = 0, 1 |
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294 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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295 | DO m = 1, bc_h(l)%ns |
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296 | i = bc_h(l)%i(m) |
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297 | j = bc_h(l)%j(m) |
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298 | k = bc_h(l)%k(m) |
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299 | s_p(k+bc_h(l)%koff,j,i) = s(k+bc_h(l)%koff,j,i) |
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300 | ENDDO |
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301 | ENDDO |
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302 | |
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303 | ELSE |
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304 | |
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305 | DO l = 0, 1 |
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306 | !$OMP PARALLEL DO PRIVATE( i, j, k ) |
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307 | DO m = 1, bc_h(l)%ns |
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308 | i = bc_h(l)%i(m) |
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309 | j = bc_h(l)%j(m) |
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310 | k = bc_h(l)%k(m) |
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311 | s_p(k+bc_h(l)%koff,j,i) = s_p(k,j,i) |
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312 | ENDDO |
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313 | ENDDO |
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314 | ENDIF |
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315 | ! |
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316 | !-- Top boundary condition |
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317 | IF ( ibc_s_t == 0 ) THEN |
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318 | s_p(nzt+1,:,:) = s(nzt+1,:,:) |
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319 | ELSEIF ( ibc_s_t == 1 ) THEN |
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320 | s_p(nzt+1,:,:) = s_p(nzt,:,:) |
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321 | ELSEIF ( ibc_s_t == 2 ) THEN |
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322 | s_p(nzt+1,:,:) = s_p(nzt,:,:) + bc_s_t_val * dzu(nzt+1) |
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323 | ENDIF |
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324 | |
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325 | ENDIF |
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326 | ! |
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327 | !-- Set boundary conditions for subgrid TKE and dissipation (RANS mode) |
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328 | CALL tcm_boundary_conds |
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329 | ! |
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330 | !-- Top/bottom boundary conditions for chemical species |
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331 | IF ( air_chemistry ) CALL chem_boundary_conds( 'set_bc_bottomtop' ) |
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332 | ! |
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333 | !-- In case of inflow or nest boundary at the south boundary the boundary for v |
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334 | !-- is at nys and in case of inflow or nest boundary at the left boundary the |
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335 | !-- boundary for u is at nxl. Since in prognostic_equations (cache optimized |
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336 | !-- version) these levels are handled as a prognostic level, boundary values |
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337 | !-- have to be restored here. |
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338 | IF ( bc_dirichlet_s ) THEN |
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339 | v_p(:,nys,:) = v_p(:,nys-1,:) |
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340 | ELSEIF ( bc_dirichlet_l ) THEN |
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341 | u_p(:,:,nxl) = u_p(:,:,nxl-1) |
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342 | ENDIF |
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343 | |
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344 | ! |
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345 | !-- The same restoration for u at i=nxl and v at j=nys as above must be made |
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346 | !-- in case of nest boundaries. This must not be done in case of vertical nesting |
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347 | !-- mode as in that case the lateral boundaries are actually cyclic. |
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348 | !-- Lateral oundary conditions for TKE and dissipation are set |
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349 | !-- in tcm_boundary_conds. |
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350 | IF ( nesting_mode /= 'vertical' .OR. nesting_offline ) THEN |
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351 | IF ( bc_dirichlet_s ) THEN |
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352 | v_p(:,nys,:) = v_p(:,nys-1,:) |
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353 | ENDIF |
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354 | IF ( bc_dirichlet_l ) THEN |
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355 | u_p(:,:,nxl) = u_p(:,:,nxl-1) |
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356 | ENDIF |
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357 | ENDIF |
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358 | |
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359 | ! |
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360 | !-- Lateral boundary conditions for scalar quantities at the outflow. |
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361 | !-- Lateral oundary conditions for TKE and dissipation are set |
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362 | !-- in tcm_boundary_conds. |
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363 | IF ( bc_radiation_s ) THEN |
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364 | pt_p(:,nys-1,:) = pt_p(:,nys,:) |
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365 | IF ( humidity ) THEN |
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366 | q_p(:,nys-1,:) = q_p(:,nys,:) |
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367 | ENDIF |
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368 | IF ( passive_scalar ) s_p(:,nys-1,:) = s_p(:,nys,:) |
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369 | ELSEIF ( bc_radiation_n ) THEN |
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370 | pt_p(:,nyn+1,:) = pt_p(:,nyn,:) |
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371 | IF ( humidity ) THEN |
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372 | q_p(:,nyn+1,:) = q_p(:,nyn,:) |
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373 | ENDIF |
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374 | IF ( passive_scalar ) s_p(:,nyn+1,:) = s_p(:,nyn,:) |
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375 | ELSEIF ( bc_radiation_l ) THEN |
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376 | pt_p(:,:,nxl-1) = pt_p(:,:,nxl) |
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377 | IF ( humidity ) THEN |
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378 | q_p(:,:,nxl-1) = q_p(:,:,nxl) |
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379 | ENDIF |
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380 | IF ( passive_scalar ) s_p(:,:,nxl-1) = s_p(:,:,nxl) |
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381 | ELSEIF ( bc_radiation_r ) THEN |
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382 | pt_p(:,:,nxr+1) = pt_p(:,:,nxr) |
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383 | IF ( humidity ) THEN |
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384 | q_p(:,:,nxr+1) = q_p(:,:,nxr) |
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385 | ENDIF |
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386 | IF ( passive_scalar ) s_p(:,:,nxr+1) = s_p(:,:,nxr) |
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387 | ENDIF |
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388 | |
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389 | ! |
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390 | !-- Lateral boundary conditions for chemical species |
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391 | IF ( air_chemistry ) CALL chem_boundary_conds( 'set_bc_lateral' ) |
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392 | |
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393 | ! |
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394 | !-- Radiation boundary conditions for the velocities at the respective outflow. |
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395 | !-- The phase velocity is either assumed to the maximum phase velocity that |
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396 | !-- ensures numerical stability (CFL-condition) or calculated after |
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397 | !-- Orlanski(1976) and averaged along the outflow boundary. |
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398 | IF ( bc_radiation_s ) THEN |
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399 | |
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400 | IF ( use_cmax ) THEN |
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401 | u_p(:,-1,:) = u(:,0,:) |
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402 | v_p(:,0,:) = v(:,1,:) |
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403 | w_p(:,-1,:) = w(:,0,:) |
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404 | ELSEIF ( .NOT. use_cmax ) THEN |
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405 | |
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406 | c_max = dy / dt_3d |
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407 | |
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408 | c_u_m_l = 0.0_wp |
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409 | c_v_m_l = 0.0_wp |
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410 | c_w_m_l = 0.0_wp |
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411 | |
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412 | c_u_m = 0.0_wp |
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413 | c_v_m = 0.0_wp |
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414 | c_w_m = 0.0_wp |
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415 | |
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416 | ! |
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417 | !-- Calculate the phase speeds for u, v, and w, first local and then |
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418 | !-- average along the outflow boundary. |
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419 | DO k = nzb+1, nzt+1 |
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420 | DO i = nxl, nxr |
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421 | |
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422 | denom = u_m_s(k,0,i) - u_m_s(k,1,i) |
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423 | |
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424 | IF ( denom /= 0.0_wp ) THEN |
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425 | c_u(k,i) = -c_max * ( u(k,0,i) - u_m_s(k,0,i) ) / ( denom * tsc(2) ) |
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426 | IF ( c_u(k,i) < 0.0_wp ) THEN |
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427 | c_u(k,i) = 0.0_wp |
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428 | ELSEIF ( c_u(k,i) > c_max ) THEN |
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429 | c_u(k,i) = c_max |
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430 | ENDIF |
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431 | ELSE |
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432 | c_u(k,i) = c_max |
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433 | ENDIF |
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434 | |
---|
435 | denom = v_m_s(k,1,i) - v_m_s(k,2,i) |
---|
436 | |
---|
437 | IF ( denom /= 0.0_wp ) THEN |
---|
438 | c_v(k,i) = -c_max * ( v(k,1,i) - v_m_s(k,1,i) ) / ( denom * tsc(2) ) |
---|
439 | IF ( c_v(k,i) < 0.0_wp ) THEN |
---|
440 | c_v(k,i) = 0.0_wp |
---|
441 | ELSEIF ( c_v(k,i) > c_max ) THEN |
---|
442 | c_v(k,i) = c_max |
---|
443 | ENDIF |
---|
444 | ELSE |
---|
445 | c_v(k,i) = c_max |
---|
446 | ENDIF |
---|
447 | |
---|
448 | denom = w_m_s(k,0,i) - w_m_s(k,1,i) |
---|
449 | |
---|
450 | IF ( denom /= 0.0_wp ) THEN |
---|
451 | c_w(k,i) = -c_max * ( w(k,0,i) - w_m_s(k,0,i) ) / ( denom * tsc(2) ) |
---|
452 | IF ( c_w(k,i) < 0.0_wp ) THEN |
---|
453 | c_w(k,i) = 0.0_wp |
---|
454 | ELSEIF ( c_w(k,i) > c_max ) THEN |
---|
455 | c_w(k,i) = c_max |
---|
456 | ENDIF |
---|
457 | ELSE |
---|
458 | c_w(k,i) = c_max |
---|
459 | ENDIF |
---|
460 | |
---|
461 | c_u_m_l(k) = c_u_m_l(k) + c_u(k,i) |
---|
462 | c_v_m_l(k) = c_v_m_l(k) + c_v(k,i) |
---|
463 | c_w_m_l(k) = c_w_m_l(k) + c_w(k,i) |
---|
464 | |
---|
465 | ENDDO |
---|
466 | ENDDO |
---|
467 | |
---|
468 | #if defined( __parallel ) |
---|
469 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dx, ierr ) |
---|
470 | CALL MPI_ALLREDUCE( c_u_m_l(nzb+1), c_u_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
471 | MPI_SUM, comm1dx, ierr ) |
---|
472 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dx, ierr ) |
---|
473 | CALL MPI_ALLREDUCE( c_v_m_l(nzb+1), c_v_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
474 | MPI_SUM, comm1dx, ierr ) |
---|
475 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dx, ierr ) |
---|
476 | CALL MPI_ALLREDUCE( c_w_m_l(nzb+1), c_w_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
477 | MPI_SUM, comm1dx, ierr ) |
---|
478 | #else |
---|
479 | c_u_m = c_u_m_l |
---|
480 | c_v_m = c_v_m_l |
---|
481 | c_w_m = c_w_m_l |
---|
482 | #endif |
---|
483 | |
---|
484 | c_u_m = c_u_m / (nx+1) |
---|
485 | c_v_m = c_v_m / (nx+1) |
---|
486 | c_w_m = c_w_m / (nx+1) |
---|
487 | |
---|
488 | ! |
---|
489 | !-- Save old timelevels for the next timestep |
---|
490 | IF ( intermediate_timestep_count == 1 ) THEN |
---|
491 | u_m_s(:,:,:) = u(:,0:1,:) |
---|
492 | v_m_s(:,:,:) = v(:,1:2,:) |
---|
493 | w_m_s(:,:,:) = w(:,0:1,:) |
---|
494 | ENDIF |
---|
495 | |
---|
496 | ! |
---|
497 | !-- Calculate the new velocities |
---|
498 | DO k = nzb+1, nzt+1 |
---|
499 | DO i = nxlg, nxrg |
---|
500 | u_p(k,-1,i) = u(k,-1,i) - dt_3d * tsc(2) * c_u_m(k) * & |
---|
501 | ( u(k,-1,i) - u(k,0,i) ) * ddy |
---|
502 | |
---|
503 | v_p(k,0,i) = v(k,0,i) - dt_3d * tsc(2) * c_v_m(k) * & |
---|
504 | ( v(k,0,i) - v(k,1,i) ) * ddy |
---|
505 | |
---|
506 | w_p(k,-1,i) = w(k,-1,i) - dt_3d * tsc(2) * c_w_m(k) * & |
---|
507 | ( w(k,-1,i) - w(k,0,i) ) * ddy |
---|
508 | ENDDO |
---|
509 | ENDDO |
---|
510 | |
---|
511 | ! |
---|
512 | !-- Bottom boundary at the outflow |
---|
513 | IF ( ibc_uv_b == 0 ) THEN |
---|
514 | u_p(nzb,-1,:) = 0.0_wp |
---|
515 | v_p(nzb,0,:) = 0.0_wp |
---|
516 | ELSE |
---|
517 | u_p(nzb,-1,:) = u_p(nzb+1,-1,:) |
---|
518 | v_p(nzb,0,:) = v_p(nzb+1,0,:) |
---|
519 | ENDIF |
---|
520 | w_p(nzb,-1,:) = 0.0_wp |
---|
521 | |
---|
522 | ! |
---|
523 | !-- Top boundary at the outflow |
---|
524 | IF ( ibc_uv_t == 0 ) THEN |
---|
525 | u_p(nzt+1,-1,:) = u_init(nzt+1) |
---|
526 | v_p(nzt+1,0,:) = v_init(nzt+1) |
---|
527 | ELSE |
---|
528 | u_p(nzt+1,-1,:) = u_p(nzt,-1,:) |
---|
529 | v_p(nzt+1,0,:) = v_p(nzt,0,:) |
---|
530 | ENDIF |
---|
531 | w_p(nzt:nzt+1,-1,:) = 0.0_wp |
---|
532 | |
---|
533 | ENDIF |
---|
534 | |
---|
535 | ENDIF |
---|
536 | |
---|
537 | IF ( bc_radiation_n ) THEN |
---|
538 | |
---|
539 | IF ( use_cmax ) THEN |
---|
540 | u_p(:,ny+1,:) = u(:,ny,:) |
---|
541 | v_p(:,ny+1,:) = v(:,ny,:) |
---|
542 | w_p(:,ny+1,:) = w(:,ny,:) |
---|
543 | ELSEIF ( .NOT. use_cmax ) THEN |
---|
544 | |
---|
545 | c_max = dy / dt_3d |
---|
546 | |
---|
547 | c_u_m_l = 0.0_wp |
---|
548 | c_v_m_l = 0.0_wp |
---|
549 | c_w_m_l = 0.0_wp |
---|
550 | |
---|
551 | c_u_m = 0.0_wp |
---|
552 | c_v_m = 0.0_wp |
---|
553 | c_w_m = 0.0_wp |
---|
554 | |
---|
555 | ! |
---|
556 | !-- Calculate the phase speeds for u, v, and w, first local and then |
---|
557 | !-- average along the outflow boundary. |
---|
558 | DO k = nzb+1, nzt+1 |
---|
559 | DO i = nxl, nxr |
---|
560 | |
---|
561 | denom = u_m_n(k,ny,i) - u_m_n(k,ny-1,i) |
---|
562 | |
---|
563 | IF ( denom /= 0.0_wp ) THEN |
---|
564 | c_u(k,i) = -c_max * ( u(k,ny,i) - u_m_n(k,ny,i) ) / ( denom * tsc(2) ) |
---|
565 | IF ( c_u(k,i) < 0.0_wp ) THEN |
---|
566 | c_u(k,i) = 0.0_wp |
---|
567 | ELSEIF ( c_u(k,i) > c_max ) THEN |
---|
568 | c_u(k,i) = c_max |
---|
569 | ENDIF |
---|
570 | ELSE |
---|
571 | c_u(k,i) = c_max |
---|
572 | ENDIF |
---|
573 | |
---|
574 | denom = v_m_n(k,ny,i) - v_m_n(k,ny-1,i) |
---|
575 | |
---|
576 | IF ( denom /= 0.0_wp ) THEN |
---|
577 | c_v(k,i) = -c_max * ( v(k,ny,i) - v_m_n(k,ny,i) ) / ( denom * tsc(2) ) |
---|
578 | IF ( c_v(k,i) < 0.0_wp ) THEN |
---|
579 | c_v(k,i) = 0.0_wp |
---|
580 | ELSEIF ( c_v(k,i) > c_max ) THEN |
---|
581 | c_v(k,i) = c_max |
---|
582 | ENDIF |
---|
583 | ELSE |
---|
584 | c_v(k,i) = c_max |
---|
585 | ENDIF |
---|
586 | |
---|
587 | denom = w_m_n(k,ny,i) - w_m_n(k,ny-1,i) |
---|
588 | |
---|
589 | IF ( denom /= 0.0_wp ) THEN |
---|
590 | c_w(k,i) = -c_max * ( w(k,ny,i) - w_m_n(k,ny,i) ) / ( denom * tsc(2) ) |
---|
591 | IF ( c_w(k,i) < 0.0_wp ) THEN |
---|
592 | c_w(k,i) = 0.0_wp |
---|
593 | ELSEIF ( c_w(k,i) > c_max ) THEN |
---|
594 | c_w(k,i) = c_max |
---|
595 | ENDIF |
---|
596 | ELSE |
---|
597 | c_w(k,i) = c_max |
---|
598 | ENDIF |
---|
599 | |
---|
600 | c_u_m_l(k) = c_u_m_l(k) + c_u(k,i) |
---|
601 | c_v_m_l(k) = c_v_m_l(k) + c_v(k,i) |
---|
602 | c_w_m_l(k) = c_w_m_l(k) + c_w(k,i) |
---|
603 | |
---|
604 | ENDDO |
---|
605 | ENDDO |
---|
606 | |
---|
607 | #if defined( __parallel ) |
---|
608 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dx, ierr ) |
---|
609 | CALL MPI_ALLREDUCE( c_u_m_l(nzb+1), c_u_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
610 | MPI_SUM, comm1dx, ierr ) |
---|
611 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dx, ierr ) |
---|
612 | CALL MPI_ALLREDUCE( c_v_m_l(nzb+1), c_v_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
613 | MPI_SUM, comm1dx, ierr ) |
---|
614 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dx, ierr ) |
---|
615 | CALL MPI_ALLREDUCE( c_w_m_l(nzb+1), c_w_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
616 | MPI_SUM, comm1dx, ierr ) |
---|
617 | #else |
---|
618 | c_u_m = c_u_m_l |
---|
619 | c_v_m = c_v_m_l |
---|
620 | c_w_m = c_w_m_l |
---|
621 | #endif |
---|
622 | |
---|
623 | c_u_m = c_u_m / (nx+1) |
---|
624 | c_v_m = c_v_m / (nx+1) |
---|
625 | c_w_m = c_w_m / (nx+1) |
---|
626 | |
---|
627 | ! |
---|
628 | !-- Save old timelevels for the next timestep |
---|
629 | IF ( intermediate_timestep_count == 1 ) THEN |
---|
630 | u_m_n(:,:,:) = u(:,ny-1:ny,:) |
---|
631 | v_m_n(:,:,:) = v(:,ny-1:ny,:) |
---|
632 | w_m_n(:,:,:) = w(:,ny-1:ny,:) |
---|
633 | ENDIF |
---|
634 | |
---|
635 | ! |
---|
636 | !-- Calculate the new velocities |
---|
637 | DO k = nzb+1, nzt+1 |
---|
638 | DO i = nxlg, nxrg |
---|
639 | u_p(k,ny+1,i) = u(k,ny+1,i) - dt_3d * tsc(2) * c_u_m(k) * & |
---|
640 | ( u(k,ny+1,i) - u(k,ny,i) ) * ddy |
---|
641 | |
---|
642 | v_p(k,ny+1,i) = v(k,ny+1,i) - dt_3d * tsc(2) * c_v_m(k) * & |
---|
643 | ( v(k,ny+1,i) - v(k,ny,i) ) * ddy |
---|
644 | |
---|
645 | w_p(k,ny+1,i) = w(k,ny+1,i) - dt_3d * tsc(2) * c_w_m(k) * & |
---|
646 | ( w(k,ny+1,i) - w(k,ny,i) ) * ddy |
---|
647 | ENDDO |
---|
648 | ENDDO |
---|
649 | |
---|
650 | ! |
---|
651 | !-- Bottom boundary at the outflow |
---|
652 | IF ( ibc_uv_b == 0 ) THEN |
---|
653 | u_p(nzb,ny+1,:) = 0.0_wp |
---|
654 | v_p(nzb,ny+1,:) = 0.0_wp |
---|
655 | ELSE |
---|
656 | u_p(nzb,ny+1,:) = u_p(nzb+1,ny+1,:) |
---|
657 | v_p(nzb,ny+1,:) = v_p(nzb+1,ny+1,:) |
---|
658 | ENDIF |
---|
659 | w_p(nzb,ny+1,:) = 0.0_wp |
---|
660 | |
---|
661 | ! |
---|
662 | !-- Top boundary at the outflow |
---|
663 | IF ( ibc_uv_t == 0 ) THEN |
---|
664 | u_p(nzt+1,ny+1,:) = u_init(nzt+1) |
---|
665 | v_p(nzt+1,ny+1,:) = v_init(nzt+1) |
---|
666 | ELSE |
---|
667 | u_p(nzt+1,ny+1,:) = u_p(nzt,nyn+1,:) |
---|
668 | v_p(nzt+1,ny+1,:) = v_p(nzt,nyn+1,:) |
---|
669 | ENDIF |
---|
670 | w_p(nzt:nzt+1,ny+1,:) = 0.0_wp |
---|
671 | |
---|
672 | ENDIF |
---|
673 | |
---|
674 | ENDIF |
---|
675 | |
---|
676 | IF ( bc_radiation_l ) THEN |
---|
677 | |
---|
678 | IF ( use_cmax ) THEN |
---|
679 | u_p(:,:,0) = u(:,:,1) |
---|
680 | v_p(:,:,-1) = v(:,:,0) |
---|
681 | w_p(:,:,-1) = w(:,:,0) |
---|
682 | ELSEIF ( .NOT. use_cmax ) THEN |
---|
683 | |
---|
684 | c_max = dx / dt_3d |
---|
685 | |
---|
686 | c_u_m_l = 0.0_wp |
---|
687 | c_v_m_l = 0.0_wp |
---|
688 | c_w_m_l = 0.0_wp |
---|
689 | |
---|
690 | c_u_m = 0.0_wp |
---|
691 | c_v_m = 0.0_wp |
---|
692 | c_w_m = 0.0_wp |
---|
693 | |
---|
694 | ! |
---|
695 | !-- Calculate the phase speeds for u, v, and w, first local and then |
---|
696 | !-- average along the outflow boundary. |
---|
697 | DO k = nzb+1, nzt+1 |
---|
698 | DO j = nys, nyn |
---|
699 | |
---|
700 | denom = u_m_l(k,j,1) - u_m_l(k,j,2) |
---|
701 | |
---|
702 | IF ( denom /= 0.0_wp ) THEN |
---|
703 | c_u(k,j) = -c_max * ( u(k,j,1) - u_m_l(k,j,1) ) / ( denom * tsc(2) ) |
---|
704 | IF ( c_u(k,j) < 0.0_wp ) THEN |
---|
705 | c_u(k,j) = 0.0_wp |
---|
706 | ELSEIF ( c_u(k,j) > c_max ) THEN |
---|
707 | c_u(k,j) = c_max |
---|
708 | ENDIF |
---|
709 | ELSE |
---|
710 | c_u(k,j) = c_max |
---|
711 | ENDIF |
---|
712 | |
---|
713 | denom = v_m_l(k,j,0) - v_m_l(k,j,1) |
---|
714 | |
---|
715 | IF ( denom /= 0.0_wp ) THEN |
---|
716 | c_v(k,j) = -c_max * ( v(k,j,0) - v_m_l(k,j,0) ) / ( denom * tsc(2) ) |
---|
717 | IF ( c_v(k,j) < 0.0_wp ) THEN |
---|
718 | c_v(k,j) = 0.0_wp |
---|
719 | ELSEIF ( c_v(k,j) > c_max ) THEN |
---|
720 | c_v(k,j) = c_max |
---|
721 | ENDIF |
---|
722 | ELSE |
---|
723 | c_v(k,j) = c_max |
---|
724 | ENDIF |
---|
725 | |
---|
726 | denom = w_m_l(k,j,0) - w_m_l(k,j,1) |
---|
727 | |
---|
728 | IF ( denom /= 0.0_wp ) THEN |
---|
729 | c_w(k,j) = -c_max * ( w(k,j,0) - w_m_l(k,j,0) ) / ( denom * tsc(2) ) |
---|
730 | IF ( c_w(k,j) < 0.0_wp ) THEN |
---|
731 | c_w(k,j) = 0.0_wp |
---|
732 | ELSEIF ( c_w(k,j) > c_max ) THEN |
---|
733 | c_w(k,j) = c_max |
---|
734 | ENDIF |
---|
735 | ELSE |
---|
736 | c_w(k,j) = c_max |
---|
737 | ENDIF |
---|
738 | |
---|
739 | c_u_m_l(k) = c_u_m_l(k) + c_u(k,j) |
---|
740 | c_v_m_l(k) = c_v_m_l(k) + c_v(k,j) |
---|
741 | c_w_m_l(k) = c_w_m_l(k) + c_w(k,j) |
---|
742 | |
---|
743 | ENDDO |
---|
744 | ENDDO |
---|
745 | |
---|
746 | #if defined( __parallel ) |
---|
747 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dy, ierr ) |
---|
748 | CALL MPI_ALLREDUCE( c_u_m_l(nzb+1), c_u_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
749 | MPI_SUM, comm1dy, ierr ) |
---|
750 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dy, ierr ) |
---|
751 | CALL MPI_ALLREDUCE( c_v_m_l(nzb+1), c_v_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
752 | MPI_SUM, comm1dy, ierr ) |
---|
753 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dy, ierr ) |
---|
754 | CALL MPI_ALLREDUCE( c_w_m_l(nzb+1), c_w_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
755 | MPI_SUM, comm1dy, ierr ) |
---|
756 | #else |
---|
757 | c_u_m = c_u_m_l |
---|
758 | c_v_m = c_v_m_l |
---|
759 | c_w_m = c_w_m_l |
---|
760 | #endif |
---|
761 | |
---|
762 | c_u_m = c_u_m / (ny+1) |
---|
763 | c_v_m = c_v_m / (ny+1) |
---|
764 | c_w_m = c_w_m / (ny+1) |
---|
765 | |
---|
766 | ! |
---|
767 | !-- Save old timelevels for the next timestep |
---|
768 | IF ( intermediate_timestep_count == 1 ) THEN |
---|
769 | u_m_l(:,:,:) = u(:,:,1:2) |
---|
770 | v_m_l(:,:,:) = v(:,:,0:1) |
---|
771 | w_m_l(:,:,:) = w(:,:,0:1) |
---|
772 | ENDIF |
---|
773 | |
---|
774 | ! |
---|
775 | !-- Calculate the new velocities |
---|
776 | DO k = nzb+1, nzt+1 |
---|
777 | DO j = nysg, nyng |
---|
778 | u_p(k,j,0) = u(k,j,0) - dt_3d * tsc(2) * c_u_m(k) * & |
---|
779 | ( u(k,j,0) - u(k,j,1) ) * ddx |
---|
780 | |
---|
781 | v_p(k,j,-1) = v(k,j,-1) - dt_3d * tsc(2) * c_v_m(k) * & |
---|
782 | ( v(k,j,-1) - v(k,j,0) ) * ddx |
---|
783 | |
---|
784 | w_p(k,j,-1) = w(k,j,-1) - dt_3d * tsc(2) * c_w_m(k) * & |
---|
785 | ( w(k,j,-1) - w(k,j,0) ) * ddx |
---|
786 | ENDDO |
---|
787 | ENDDO |
---|
788 | |
---|
789 | ! |
---|
790 | !-- Bottom boundary at the outflow |
---|
791 | IF ( ibc_uv_b == 0 ) THEN |
---|
792 | u_p(nzb,:,0) = 0.0_wp |
---|
793 | v_p(nzb,:,-1) = 0.0_wp |
---|
794 | ELSE |
---|
795 | u_p(nzb,:,0) = u_p(nzb+1,:,0) |
---|
796 | v_p(nzb,:,-1) = v_p(nzb+1,:,-1) |
---|
797 | ENDIF |
---|
798 | w_p(nzb,:,-1) = 0.0_wp |
---|
799 | |
---|
800 | ! |
---|
801 | !-- Top boundary at the outflow |
---|
802 | IF ( ibc_uv_t == 0 ) THEN |
---|
803 | u_p(nzt+1,:,0) = u_init(nzt+1) |
---|
804 | v_p(nzt+1,:,-1) = v_init(nzt+1) |
---|
805 | ELSE |
---|
806 | u_p(nzt+1,:,0) = u_p(nzt,:,0) |
---|
807 | v_p(nzt+1,:,-1) = v_p(nzt,:,-1) |
---|
808 | ENDIF |
---|
809 | w_p(nzt:nzt+1,:,-1) = 0.0_wp |
---|
810 | |
---|
811 | ENDIF |
---|
812 | |
---|
813 | ENDIF |
---|
814 | |
---|
815 | IF ( bc_radiation_r ) THEN |
---|
816 | |
---|
817 | IF ( use_cmax ) THEN |
---|
818 | u_p(:,:,nx+1) = u(:,:,nx) |
---|
819 | v_p(:,:,nx+1) = v(:,:,nx) |
---|
820 | w_p(:,:,nx+1) = w(:,:,nx) |
---|
821 | ELSEIF ( .NOT. use_cmax ) THEN |
---|
822 | |
---|
823 | c_max = dx / dt_3d |
---|
824 | |
---|
825 | c_u_m_l = 0.0_wp |
---|
826 | c_v_m_l = 0.0_wp |
---|
827 | c_w_m_l = 0.0_wp |
---|
828 | |
---|
829 | c_u_m = 0.0_wp |
---|
830 | c_v_m = 0.0_wp |
---|
831 | c_w_m = 0.0_wp |
---|
832 | |
---|
833 | ! |
---|
834 | !-- Calculate the phase speeds for u, v, and w, first local and then |
---|
835 | !-- average along the outflow boundary. |
---|
836 | DO k = nzb+1, nzt+1 |
---|
837 | DO j = nys, nyn |
---|
838 | |
---|
839 | denom = u_m_r(k,j,nx) - u_m_r(k,j,nx-1) |
---|
840 | |
---|
841 | IF ( denom /= 0.0_wp ) THEN |
---|
842 | c_u(k,j) = -c_max * ( u(k,j,nx) - u_m_r(k,j,nx) ) / ( denom * tsc(2) ) |
---|
843 | IF ( c_u(k,j) < 0.0_wp ) THEN |
---|
844 | c_u(k,j) = 0.0_wp |
---|
845 | ELSEIF ( c_u(k,j) > c_max ) THEN |
---|
846 | c_u(k,j) = c_max |
---|
847 | ENDIF |
---|
848 | ELSE |
---|
849 | c_u(k,j) = c_max |
---|
850 | ENDIF |
---|
851 | |
---|
852 | denom = v_m_r(k,j,nx) - v_m_r(k,j,nx-1) |
---|
853 | |
---|
854 | IF ( denom /= 0.0_wp ) THEN |
---|
855 | c_v(k,j) = -c_max * ( v(k,j,nx) - v_m_r(k,j,nx) ) / ( denom * tsc(2) ) |
---|
856 | IF ( c_v(k,j) < 0.0_wp ) THEN |
---|
857 | c_v(k,j) = 0.0_wp |
---|
858 | ELSEIF ( c_v(k,j) > c_max ) THEN |
---|
859 | c_v(k,j) = c_max |
---|
860 | ENDIF |
---|
861 | ELSE |
---|
862 | c_v(k,j) = c_max |
---|
863 | ENDIF |
---|
864 | |
---|
865 | denom = w_m_r(k,j,nx) - w_m_r(k,j,nx-1) |
---|
866 | |
---|
867 | IF ( denom /= 0.0_wp ) THEN |
---|
868 | c_w(k,j) = -c_max * ( w(k,j,nx) - w_m_r(k,j,nx) ) / ( denom * tsc(2) ) |
---|
869 | IF ( c_w(k,j) < 0.0_wp ) THEN |
---|
870 | c_w(k,j) = 0.0_wp |
---|
871 | ELSEIF ( c_w(k,j) > c_max ) THEN |
---|
872 | c_w(k,j) = c_max |
---|
873 | ENDIF |
---|
874 | ELSE |
---|
875 | c_w(k,j) = c_max |
---|
876 | ENDIF |
---|
877 | |
---|
878 | c_u_m_l(k) = c_u_m_l(k) + c_u(k,j) |
---|
879 | c_v_m_l(k) = c_v_m_l(k) + c_v(k,j) |
---|
880 | c_w_m_l(k) = c_w_m_l(k) + c_w(k,j) |
---|
881 | |
---|
882 | ENDDO |
---|
883 | ENDDO |
---|
884 | |
---|
885 | #if defined( __parallel ) |
---|
886 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dy, ierr ) |
---|
887 | CALL MPI_ALLREDUCE( c_u_m_l(nzb+1), c_u_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
888 | MPI_SUM, comm1dy, ierr ) |
---|
889 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dy, ierr ) |
---|
890 | CALL MPI_ALLREDUCE( c_v_m_l(nzb+1), c_v_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
891 | MPI_SUM, comm1dy, ierr ) |
---|
892 | IF ( collective_wait ) CALL MPI_BARRIER( comm1dy, ierr ) |
---|
893 | CALL MPI_ALLREDUCE( c_w_m_l(nzb+1), c_w_m(nzb+1), nzt-nzb, MPI_REAL, & |
---|
894 | MPI_SUM, comm1dy, ierr ) |
---|
895 | #else |
---|
896 | c_u_m = c_u_m_l |
---|
897 | c_v_m = c_v_m_l |
---|
898 | c_w_m = c_w_m_l |
---|
899 | #endif |
---|
900 | |
---|
901 | c_u_m = c_u_m / (ny+1) |
---|
902 | c_v_m = c_v_m / (ny+1) |
---|
903 | c_w_m = c_w_m / (ny+1) |
---|
904 | |
---|
905 | ! |
---|
906 | !-- Save old timelevels for the next timestep |
---|
907 | IF ( intermediate_timestep_count == 1 ) THEN |
---|
908 | u_m_r(:,:,:) = u(:,:,nx-1:nx) |
---|
909 | v_m_r(:,:,:) = v(:,:,nx-1:nx) |
---|
910 | w_m_r(:,:,:) = w(:,:,nx-1:nx) |
---|
911 | ENDIF |
---|
912 | |
---|
913 | ! |
---|
914 | !-- Calculate the new velocities |
---|
915 | DO k = nzb+1, nzt+1 |
---|
916 | DO j = nysg, nyng |
---|
917 | u_p(k,j,nx+1) = u(k,j,nx+1) - dt_3d * tsc(2) * c_u_m(k) * & |
---|
918 | ( u(k,j,nx+1) - u(k,j,nx) ) * ddx |
---|
919 | |
---|
920 | v_p(k,j,nx+1) = v(k,j,nx+1) - dt_3d * tsc(2) * c_v_m(k) * & |
---|
921 | ( v(k,j,nx+1) - v(k,j,nx) ) * ddx |
---|
922 | |
---|
923 | w_p(k,j,nx+1) = w(k,j,nx+1) - dt_3d * tsc(2) * c_w_m(k) * & |
---|
924 | ( w(k,j,nx+1) - w(k,j,nx) ) * ddx |
---|
925 | ENDDO |
---|
926 | ENDDO |
---|
927 | |
---|
928 | ! |
---|
929 | !-- Bottom boundary at the outflow |
---|
930 | IF ( ibc_uv_b == 0 ) THEN |
---|
931 | u_p(nzb,:,nx+1) = 0.0_wp |
---|
932 | v_p(nzb,:,nx+1) = 0.0_wp |
---|
933 | ELSE |
---|
934 | u_p(nzb,:,nx+1) = u_p(nzb+1,:,nx+1) |
---|
935 | v_p(nzb,:,nx+1) = v_p(nzb+1,:,nx+1) |
---|
936 | ENDIF |
---|
937 | w_p(nzb,:,nx+1) = 0.0_wp |
---|
938 | |
---|
939 | ! |
---|
940 | !-- Top boundary at the outflow |
---|
941 | IF ( ibc_uv_t == 0 ) THEN |
---|
942 | u_p(nzt+1,:,nx+1) = u_init(nzt+1) |
---|
943 | v_p(nzt+1,:,nx+1) = v_init(nzt+1) |
---|
944 | ELSE |
---|
945 | u_p(nzt+1,:,nx+1) = u_p(nzt,:,nx+1) |
---|
946 | v_p(nzt+1,:,nx+1) = v_p(nzt,:,nx+1) |
---|
947 | ENDIF |
---|
948 | w_p(nzt:nzt+1,:,nx+1) = 0.0_wp |
---|
949 | |
---|
950 | ENDIF |
---|
951 | |
---|
952 | ENDIF |
---|
953 | |
---|
954 | IF ( salsa ) THEN |
---|
955 | CALL salsa_boundary_conds |
---|
956 | ENDIF |
---|
957 | |
---|
958 | END SUBROUTINE boundary_conds |
---|