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COnvrg sub.f90 - calculationg

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!Sample program for solving Smith-Hutton Test using different schemes  
!Sample program for solving Smith-Hutton Test using different schemes  
-
of covective terms approximation -  Convergence Criteria computing modul
+
!of covective terms approximation -  Convergence Criteria computing modul
-
Copyright (C) 2005  Michail Kirichkov
+
!Copyright (C) 2005  Michail Kirichkov
-
This program is free software; you can redistribute it and/or
+
!This program is free software; you can redistribute it and/or
-
modify it under the terms of the GNU General Public License
+
!modify it under the terms of the GNU General Public License
-
as published by the Free Software Foundation; either version 2
+
!as published by the Free Software Foundation; either version 2
-
of the License, or (at your option) any later version.
+
!of the License, or (at your option) any later version.
-
This program is distributed in the hope that it will be useful,
+
!This program is distributed in the hope that it will be useful,
-
but WITHOUT ANY WARRANTY; without even the implied warranty of
+
!but WITHOUT ANY WARRANTY; without even the implied warranty of
-
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+
!MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-
GNU General Public License for more details.
+
!GNU General Public License for more details.
-
You should have received a copy of the GNU General Public License
+
!You should have received a copy of the GNU General Public License
-
along with this program; if not, write to the Free Software
+
!along with this program; if not, write to the Free Software
-
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
!Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
!**********************************************************************
!**********************************************************************
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include 'icomm_1.f90'
include 'icomm_1.f90'
-
 
Dimension Res(nx,ny)
Dimension Res(nx,ny)
   
   
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Res_Sum = 0.
Res_Sum = 0.
-
 
Res_vol = 0.
Res_vol = 0.
Do 20 I=2,NXmaxP-1
Do 20 I=2,NXmaxP-1
-
 
Do 20 J=2,NYmaxP-1
Do 20 J=2,NYmaxP-1
  Res_vol = Ap(i,j) * F(i  ,j  ,nf) -  &
  Res_vol = Ap(i,j) * F(i  ,j  ,nf) -  &
-
 
+
( As(i,j) * F(i  ,j-1,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) +  &
-
An(i,j) * F(i  ,j+1,nf) +  &
+
Ae(i,j) * F(i+1,j  ,nf)  )  &
-
 
+
-
Aw(i,j) * F(i-1,j  ,nf) +  &
+
-
 
+
-
Ae(i,j) * F(i+1,j  ,nf)  )  &
+
- Sp(i,j)
- Sp(i,j)
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  Res_Sum = Res_Sum + Res_vol
  Res_Sum = Res_Sum + Res_vol
-
 
 
20 continue
20 continue
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Return
Return
-
 
End
End
</pre>
</pre>

Latest revision as of 14:47, 21 September 2005


!Sample program for solving Smith-Hutton Test using different schemes 
!of covective terms approximation -  Convergence Criteria computing modul
!Copyright (C) 2005  Michail Kirichkov

!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)

include 'icomm_1.f90'
Dimension Res(nx,ny)
 
res =  0.


Res_Sum = 0.
Res_vol = 0.

	Do 20 I=2,NXmaxP-1
	Do 20 J=2,NYmaxP-1

	  Res_vol =		Ap(i,j) * 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)		

	  res(i,j) =  Res_vol 						

	  Res_Sum = Res_Sum + Res_vol

	20 continue

write(*,*)Res_Sum

Return
End
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