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addimdnodedload.f
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!
! CalculiX - A 3-dimensional finite element program
! Copyright (C) 1998-2021 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 addimdnodedload(nelemload,sideload,ipkon,kon,lakon,
& iload,imdnode,nmdnode,ikmpc,ilmpc,ipompc,nodempc,nmpc,imddof,
& nmddof,nactdof,mi,imdmpc,nmdmpc,imdboun,nmdboun,ikboun,nboun,
& ilboun,ithermal)
!
! adds the nodes belonging to a user-defined facial load to imdnode
! (needed in dyna.c and steadystate.c)
!
implicit none
!
character*8 lakon(*),lakonl
character*20 sideload(*)
!
integer nelemload(2,*),ipkon(*),kon(*),iload,ii,nopes,node,
& indexe,
& ifaceq(8,6),ifacew(8,5),ifacet(6,4),ig,ielem,nope,imdnode(*),
& nmdnode,ikmpc(*),
& ilmpc(*),ipompc(*),nodempc(3,*),nmpc,imddof(*),nmddof,
& mi(*),nactdof(0:mi(2),*),imdmpc(*),nmdmpc,imdboun(*),nmdboun,
& ikboun(*),nboun,ilboun(*),ithermal,k
!
data ifaceq /4,3,2,1,11,10,9,12,
& 5,6,7,8,13,14,15,16,
& 1,2,6,5,9,18,13,17,
& 2,3,7,6,10,19,14,18,
& 3,4,8,7,11,20,15,19,
& 4,1,5,8,12,17,16,20/
data ifacet /1,3,2,7,6,5,
& 1,2,4,5,9,8,
& 2,3,4,6,10,9,
& 1,4,3,8,10,7/
data ifacew /1,3,2,9,8,7,0,0,
& 4,5,6,10,11,12,0,0,
& 1,2,5,4,7,14,10,13,
& 2,3,6,5,8,15,11,14,
& 4,6,3,1,12,15,9,13/
!
ielem=nelemload(1,iload)
lakonl=lakon(ielem)
indexe=ipkon(ielem)
!
if((sideload(iload)(1:1).eq.'P').and.
& (sideload(iload)(3:4).eq.'NU')) then
read(sideload(iload)(2:2),'(i1)') ig
!
! surface pressure: number of nodes belonging to the face
!
if(lakonl(4:4).eq.'2') then
nopes=8
elseif(lakonl(4:4).eq.'8') then
nopes=4
elseif(lakonl(4:5).eq.'10') then
nopes=6
elseif(lakonl(4:4).eq.'4') then
nopes=3
elseif(lakonl(4:5).eq.'15') then
if(ig.le.2) then
nopes=6
else
nopes=8
endif
elseif(lakonl(4:4).eq.'6') then
if(ig.le.2) then
nopes=3
else
nopes=4
endif
endif
!
do ii=1,nopes
if((lakonl(4:4).eq.'2').or.(lakonl(4:4).eq.'8')) then
node=kon(indexe+ifaceq(ii,ig))
elseif((lakonl(4:5).eq.'10').or.(lakonl(4:4).eq.'4')) then
node=kon(indexe+ifacet(ii,ig))
elseif((lakonl(4:5).eq.'15').or.(lakonl(4:4).eq.'6')) then
node=kon(indexe+ifacew(ii,ig))
endif
!
! user-defined load
!
if(sideload(iload)(3:4).eq.'NU') then
call addimd(imdnode,nmdnode,node)
!
! add the degrees of freedom corresponding to the node
!
if(ithermal.ne.2) then
do k=1,3
call addimdnodedof(node,k,ikmpc,ilmpc,ipompc,
& nodempc,nmpc,imdnode,nmdnode,imddof,nmddof,
& nactdof,mi,imdmpc,nmdmpc,imdboun,nmdboun,
& ikboun,nboun,ilboun)
enddo
else
k=0
call addimdnodedof(node,k,ikmpc,ilmpc,ipompc,
& nodempc,nmpc,imdnode,nmdnode,imddof,nmddof,
& nactdof,mi,imdmpc,nmdmpc,imdboun,nmdboun,ikboun,
& nboun,ilboun)
endif
endif
!
enddo
elseif((sideload(iload)(1:1).eq.'B').and.
& (sideload(iload)(3:4).eq.'NU')) then
!
! volumetric load; number of nodes in the element
!
if(lakonl(4:4).eq.'2') then
nope=20
elseif(lakonl(4:4).eq.'8') then
nope=8
elseif(lakonl(4:5).eq.'10') then
nope=10
elseif(lakonl(4:4).eq.'4') then
nope=4
elseif(lakonl(4:5).eq.'15') then
nope=15
elseif(lakonl(4:4).eq.'6') then
nope=6
endif
!
do ii=1,nope
node=kon(indexe+ii)
!
! user-defined load
!
c if(sideload(iload)(3:4).eq.'NU') then
call addimd(imdnode,nmdnode,node)
!
! add the degrees of freedom corresponding to the node
!
if(ithermal.ne.2) then
do k=1,3
call addimdnodedof(node,k,ikmpc,ilmpc,ipompc,
& nodempc,nmpc,imdnode,nmdnode,imddof,nmddof,
& nactdof,mi,imdmpc,nmdmpc,imdboun,nmdboun,
& ikboun,nboun,ilboun)
enddo
else
k=0
call addimdnodedof(node,k,ikmpc,ilmpc,ipompc,
& nodempc,nmpc,imdnode,nmdnode,imddof,nmddof,
& nactdof,mi,imdmpc,nmdmpc,imdboun,nmdboun,ikboun,
& nboun,ilboun)
endif
c endif
enddo
!
endif
!
return
end