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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 nodes(inpc,textpart,co,nk,nk_,set,istartset,
& iendset,ialset,nset,nset_,nalset,nalset_,istep,istat,n,iline,
& ipol,inl,ipoinp,inp,ipoinpc)
!
! reading the input deck: *NODE
!
implicit none
!
character*1 inpc(*)
character*81 set(*),noset
character*132 textpart(16)
!
integer nk,nk_,nset,nset_,nalset,nalset_,istep,istat,n,key,
& i,js,k,nn,inoset,ipos,istartset(*),iendset(*),ialset(*),
& iline,ipol,inl,ipoinp(2,*),inp(3,*),ipoinpc(0:*)
!
real*8 co(3,*)
!
if(istep.gt.0) then
write(*,*) '*ERROR in nodes: *NODE should be placed'
write(*,*) ' before all step definitions'
call exit(201)
endif
!
inoset=0
!
! checking for set definition
!
loop: do i=2,n
if(textpart(i)(1:5).eq.'NSET=') then
noset=textpart(i)(6:85)
if(textpart(i)(86:86).ne.' ') then
write(*,*) '*ERROR in nodes: set name too long'
write(*,*) ' (more than 80 characters)'
write(*,*) ' set name:',textpart(i)(1:132)
call exit(201)
endif
noset(81:81)=' '
ipos=index(noset,' ')
noset(ipos:ipos)='N'
inoset=1
do js=1,nset
if(set(js).eq.noset) then
!
! existent set
!
if(iendset(js).eq.nalset) then
exit loop
else
nn=iendset(js)-istartset(js)+1
if(nalset+nn.gt.nalset_) then
write(*,*) '*ERROR in nodes: increase nalset_'
call exit(201)
endif
do k=1,nn
ialset(nalset+k)=ialset(istartset(js)+k-1)
enddo
do k=istartset(js),nalset
ialset(k)=ialset(k+nn)
enddo
do k=1,nset
if(istartset(k).gt.iendset(js)) then
istartset(k)=istartset(k)-nn
iendset(k)=iendset(k)-nn
endif
enddo
istartset(js)=nalset-nn+1
iendset(js)=nalset
exit loop
endif
endif
enddo
!
! new set
!
nset=nset+1
if(nset.gt.nset_) then
write(*,*) '*ERROR in nodes: increase nset_'
call exit(201)
endif
js=nset
istartset(js)=nalset+1
iendset(js)=nalset
set(js)=noset
exit
else
write(*,*)
& '*WARNING in nodes: parameter not recognized:'
write(*,*) ' ',
& textpart(i)(1:index(textpart(i),' ')-1)
call inputwarning(inpc,ipoinpc,iline,
&"*NODE%")
endif
enddo loop
!
do
call getnewline(inpc,textpart,istat,n,key,iline,ipol,inl,
& ipoinp,inp,ipoinpc)
if((istat.lt.0).or.(key.eq.1)) return
read(textpart(1)(1:10),'(i10)',iostat=istat) i
if(istat.gt.0) call inputerror(inpc,ipoinpc,iline,
&"*NODE%")
if(n.eq.1) then
co(1,i)=0.d0
else
read(textpart(2)(1:20),'(f20.0)',iostat=istat) co(1,i)
if(istat.gt.0) call inputerror(inpc,ipoinpc,iline,
&"*NODE%")
endif
if(n.le.2) then
co(2,i)=0.d0
else
read(textpart(3)(1:20),'(f20.0)',iostat=istat) co(2,i)
if(istat.gt.0) call inputerror(inpc,ipoinpc,iline,
&"*NODE%")
endif
if(n.le.3) then
co(3,i)=0.d0
else
read(textpart(4)(1:20),'(f20.0)',iostat=istat) co(3,i)
if(istat.gt.0) call inputerror(inpc,ipoinpc,iline,
&"*NODE%")
endif
nk=max(nk,i)
if(nk.gt.nk_) then
write(*,*) '*ERROR in nodes: increase nk_'
call exit(201)
endif
!
! assigning node to set
!
if(inoset.eq.1) then
if(nalset+1.gt.nalset_) then
write(*,*) '*ERROR in nodes: increase nalset_'
call exit(201)
endif
nalset=nalset+1
ialset(nalset)=i
iendset(js)=nalset
endif
!
enddo
!
return
end
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