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!
! CalculiX - A 3-dimensional finite element program
! Copyright (C) 1998-2015 Guido Dhondt
!
! 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(version 2);
!
!
! 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., 675 Mass Ave, Cambridge, MA 02139, USA.
!
subroutine mafillsmforc(nforc,ndirforc,nodeforc,xforc,nactdof,
& fext,nmpc,ipompc,nodempc,ikmpc,ilmpc,coefmpc,mi,rhsi,fnext,
& nmethod)
!
! including point forces into the external force vector
!
implicit none
!
logical rhsi
!
integer nforc,ndirforc(*),nodeforc(2,*),mi(*),nactdof(0:mi(2),*),
& nmpc,ipompc(*),nodempc(3,*),ikmpc(*),ilmpc(*),i,jdof,id,ist,
& index,nmethod
!
real*8 xforc(*),fext(*),coefmpc(*),fnext(0:mi(2),*)
!
if(rhsi) then
!
! point forces
!
do i=1,nforc
if(ndirforc(i).gt.3) cycle
!
! updating the external force vector for dynamic
! calculations
!
if(nmethod.eq.4) fnext(ndirforc(i),nodeforc(1,i))=
& fnext(ndirforc(i),nodeforc(1,i))+xforc(i)
!
jdof=nactdof(ndirforc(i),nodeforc(1,i))
if(jdof.gt.0) then
fext(jdof)=fext(jdof)+xforc(i)
else
!
! node is a dependent node of a MPC: distribute
! the forces among the independent nodes
! (proportional to their coefficients)
!
c jdof=8*(nodeforc(1,i)-1)+ndirforc(i)
c call nident(ikmpc,jdof,nmpc,id)
c if(id.gt.0) then
c if(ikmpc(id).eq.jdof) then
if(jdof.ne.2*(jdof/2)) then
c id=ilmpc(id)
id=(-jdof+1)/2
ist=ipompc(id)
index=nodempc(3,ist)
if(index.eq.0) cycle
do
jdof=nactdof(nodempc(2,index),nodempc(1,index))
if(jdof.gt.0) then
fext(jdof)=fext(jdof)-
& coefmpc(index)*xforc(i)/coefmpc(ist)
endif
index=nodempc(3,index)
if(index.eq.0) exit
enddo
c endif
endif
endif
enddo
!
endif
!
return
end
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