1!
2!     CalculiX - A 3-dimensional finite element program
3!              Copyright (C) 1998-2021 Guido Dhondt
4!
5!     This program is free software; you can redistribute it and/or
6!     modify it under the terms of the GNU General Public License as
7!     published by the Free Software Foundation(version 2);
8!
9!
10!     This program is distributed in the hope that it will be useful,
11!     but WITHOUT ANY WARRANTY; without even the implied warranty of
12!     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13!     GNU General Public License for more details.
14!
15!     You should have received a copy of the GNU General Public License
16!     along with this program; if not, write to the Free Software
17!     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18!
19      subroutine calcinitialflux(area,vfa,xxna,
20     &  ipnei,nef,neifa,lakonf,flux)
21!
22!     correction of v due to the balance of mass
23!     the correction is in normal direction to the face
24!
25      implicit none
26!
27      character*8 lakonf(*)
28!
29      integer i,j,indexf,ipnei(*),ifa,nef,neifa(*),numfaces
30!
31      real*8 area(*),vfa(0:7,*),xxna(3,*),flux(*)
32!
33      do i=1,nef
34         do indexf=ipnei(i)+1,ipnei(i+1)
35            ifa=neifa(indexf)
36            flux(indexf)=vfa(5,ifa)*
37     &               (vfa(1,ifa)*xxna(1,indexf)+
38     &                vfa(2,ifa)*xxna(2,indexf)+
39     &                vfa(3,ifa)*xxna(3,indexf))
40         enddo
41      enddo
42!
43      return
44      end
45