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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 bodyadd(cbody,ibody,xbody,nbody,nbody_,set,label,
& iamplitude,xmagnitude,p1,p2,bodyf,xbodyold,lc,idefbody)
!
! adds a volumetric dload condition to the data base
!
implicit none
!
character*20 label
character*81 set,cbody(*)
!
integer ibody(3,*),nbody,nbody_,id,iamplitude,ilabel,i,j,id1,lc,
& idefbody(*)
!
real*8 xbody(7,*),p1(3),p2(3),bodyf(3),xmagnitude,xbodyold(7,*),
& dd,p(3)
!
! assigning a number to the load type (stored in ibody(1,*))
!
if(label(1:7).eq.'CENTRIF') then
ilabel=1
elseif(label(1:4).eq.'GRAV') then
ilabel=2
elseif(label(1:6).eq.'NEWTON') then
ilabel=3
endif
!
! normalizing the direction for gravity forces
!
if(ilabel.eq.2) then
dd=dsqrt(bodyf(1)*bodyf(1)+bodyf(2)*bodyf(2)+bodyf(3)*bodyf(3))
do i=1,3
bodyf(i)=bodyf(i)/dd
enddo
endif
!
! checking whether a similar load type was already assigned to the
! same set
!
call cident(cbody,set,nbody,id)
!
if(id.ne.0) then
do
if(id.eq.0) exit
if(cbody(id).eq.set) then
if(ibody(1,id).eq.ilabel) then
!
! for gravity forces the gravity direction is
! checked; if the direction is different,it is
! a new loading
!
if(ilabel.eq.2) then
if(dabs(bodyf(1)*xbody(2,id)+bodyf(2)*xbody(3,id)+
& bodyf(3)*xbody(4,id)-1.d0).gt.1.d-10) then
id=id-1
cycle
endif
endif
!
! for centrifugal loads the centrifugal axis is
! checked
!
if(ilabel.eq.1) then
if(dabs(p2(1)*xbody(5,id)+p2(2)*xbody(6,id)+
& p2(3)*xbody(7,id)-1.d0).gt.1.d-10) then
id=id-1
cycle
endif
do i=1,3
p(i)=xbody(1+i,id)-p1(i)
enddo
dd=dsqrt(p(1)*p(1)+p(2)*p(2)+p(3)*p(3))
if(dd.gt.1.d-10) then
do i=1,3
p(i)=p(i)/dd
enddo
if(dabs(p(1)*xbody(5,id)+p(2)*xbody(6,id)+
& p(3)*xbody(7,id)-1.d0).gt.1.d-10) then
id=id-1
cycle
endif
endif
endif
!
! check for the same loadcase
!
if(ibody(3,id).ne.lc) then
id=id-1
cycle
endif
!
ibody(2,id)=iamplitude
ibody(3,id)=lc
if(ilabel.eq.1) then
if(idefbody(id).eq.0) then
xbody(1,id)=xmagnitude
idefbody(id)=1
else
xbody(1,id)=xbody(1,id)+xmagnitude
endif
xbody(2,id)=p1(1)
xbody(3,id)=p1(2)
xbody(4,id)=p1(3)
xbody(5,id)=p2(1)
xbody(6,id)=p2(2)
xbody(7,id)=p2(3)
elseif(ilabel.eq.2) then
if(idefbody(id).eq.0) then
xbody(1,id)=xmagnitude
idefbody(id)=1
else
xbody(1,id)=xbody(1,id)+xmagnitude
endif
xbody(2,id)=bodyf(1)
xbody(3,id)=bodyf(2)
xbody(4,id)=bodyf(3)
endif
return
endif
id=id-1
else
exit
endif
enddo
endif
!
! new set/loadtype combination
!
nbody=nbody+1
if(nbody.gt.nbody_) then
write(*,*) '*ERROR in bodyadd: increase nbody_'
call exit(201)
endif
!
! reordering the arrays
!
do i=nbody,id+2,-1
cbody(i)=cbody(i-1)
idefbody(i)=idefbody(i-1)
do j=1,3
ibody(j,i)=ibody(j,i-1)
enddo
do j=1,7
xbody(j,i)=xbody(j,i-1)
xbodyold(j,i)=xbodyold(j,i-1)
enddo
enddo
!
! inserting the new values
!
id1=id+1
!
cbody(id1)=set
idefbody(id1)=1
ibody(1,id1)=ilabel
ibody(2,id1)=iamplitude
ibody(3,id1)=lc
if(ilabel.eq.1) then
xbody(1,id1)=xmagnitude
xbody(2,id1)=p1(1)
xbody(3,id1)=p1(2)
xbody(4,id1)=p1(3)
xbody(5,id1)=p2(1)
xbody(6,id1)=p2(2)
xbody(7,id1)=p2(3)
elseif(ilabel.eq.2) then
xbody(1,id1)=xmagnitude
xbody(2,id1)=bodyf(1)
xbody(3,id1)=bodyf(2)
xbody(4,id1)=bodyf(3)
endif
!
return
end
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