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 gasmechbc(vold,nload,sideload,
20     &     nelemload,xload,mi)
21!
22      implicit none
23!
24      character*20 sideload(*)
25!
26      integer i,nload,node,nelemload(2,*),mi(*)
27!
28      real*8 vold(0:mi(2),*),xload(2,*)
29!
30!     updating the boudary conditions in a mechanical
31!     calculation coming from a previous thermal calculation
32!
33!     updating the pressure boundary conditions
34!
35      do i=1,nload
36         if(sideload(i)(3:4).eq.'NP') then
37            node=nelemload(2,i)
38            xload(1,i)=vold(2,node)
39         endif
40      enddo
41!
42      return
43      end
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