Changes between Version 135 and Version 136 of doc/app/particle_parameters


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Timestamp:
Apr 15, 2016 12:24:40 PM (9 years ago)
Author:
hoffmann
Comment:

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  • doc/app/particle_parameters

    v135 v136  
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    142142{{{#!td
    143 Parameter to consider solution and curvature effects on the equilibrium vapor pressure of cloud droplets.
    144 
    145 This parameter only comes into effect if Lagrangian cloud droplets are used (see [#cloud_droplets cloud_droplets]) and if the droplet radius is smaller than ''1.0E-6'' m. In case of '''curvature_solution_effects''' = ''.T.'', solution and curvature effects are included in the growth equation of droplets by condensation. Since in this case the growth equation is a stiff o.d.e, it is integrated in time using the Rosenbrock method (see Numerical Recipes in FORTRAN, 2nd Edition, p.731). If the droplet radius is larger or equal ''1.0E-6'' m, solution and curvature effects are neglected and the growth is calculated by a simple analytic formula (as for '''curvature_solution_effects''' = ''.F.'').\\\\
    146 '''Attention:''' '''curvature_solution_effects''' = ''.T.'' may significantly increase CPU time of jobs.
     143Parameter to consider solution and curvature effects on the equilibrium vapor pressure of cloud droplets. For the initialization of the corresponding dry aerosol spectrum, see [#init_aerosol_probabilistic init_aerosol_probabilistic].In this case, the radius growth equation is a stiff o.d.e, which is integrated in time using a Rosenbrock method (see Numerical Recipes in FORTRAN, 2nd Edition, p.731). '''curvature_solution_effects''' = ''.T.'' may significantly increase CPU time of jobs.
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