Convergence Criteria.f90 - Calculation of convergence
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(New page: <pre> !Sample program for solving Lid-driven cavity flow test using SIMPLE-algorithm ! calculation of covergence criteria modul !Copyright (C) 2010 Michail Kiričkov !This program is fr...)
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(New page: <pre> !Sample program for solving Lid-driven cavity flow test using SIMPLE-algorithm ! calculation of covergence criteria modul !Copyright (C) 2010 Michail Kiričkov !This program is fr...)
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Revision as of 12:53, 3 May 2010
!Sample program for solving Lid-driven cavity flow test using SIMPLE-algorithm ! calculation of covergence criteria modul !Copyright (C) 2010 Michail Kiričkov !This program is free software; you can redistribute it and/or !modify it under the terms of the GNU General Public License !as published by the Free Software Foundation; either version 2 !of the License, or (at your option) any later version. !This program is distributed in the hope that it will be useful, !but WITHOUT ANY WARRANTY; without even the implied warranty of !MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the !GNU General Public License for more details. !You should have received a copy of the GNU General Public License !along with this program; if not, write to the Free Software !Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. !********************************************************************** Subroutine Convergence_Criteria(NF,res_sum) include 'icomm_1.f90' Dimension Res(nx,ny) res = 0. Res_Sum = 0. Res_vol = 0. Do 20 I=2,NXmaxC-1 Do 20 J=2,NYmaxC-1 Res_vol = Ap(i,j,nf) * F(i ,j ,nf) - & ( As(i,j) * F(i ,j-1,nf) + & An(i,j) * F(i ,j+1,nf) + & Aw(i,j) * F(i-1,j ,nf) + & Ae(i,j) * F(i+1,j ,nf) ) & - Sp(i,j,nf) res(i,j) = Res_vol Res_Sum = Res_Sum + Res_vol 20 continue write(*,*)'covergence',Res_Sum Return End