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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 map3dto1d2d_v(yn,ipkon,inum,kon,lakon,nfield,nk,
& ne,nactdof)
!
! interpolates basic degree of freedom nodal values
! (displacements, temperatures) to 1d/2d nodal locations
!
implicit none
!
logical quadratic
!
character*8 lakon(*),lakonl
!
integer ipkon(*),inum(*),kon(*),ne,indexe,nfield,nk,i,j,k,l,
& node3(8,3),node6(3,6),node8(3,8),node2d,node3d,indexe2d,ne1d2d,
& node3m(8,3),iflag,nactdof(nfield,*),jmax
!
real*8 yn(nfield,*),ratioe(3)
!
include "gauss.f"
!
data node3 /1,4,8,5,12,20,16,17,9,11,15,13,
& 0,0,0,0,2,3,7,6,10,19,14,18/
data node3m /1,5,8,4,17,16,20,12,
& 0,0,0,0,0,0,0,0,
& 3,7,6,2,19,14,18,10/
data node6 /1,13,4,2,14,5,3,15,6,7,0,10,8,0,11,9,0,12/
data node8 /1,17,5,2,18,6,3,19,7,4,20,8,9,0,13,10,0,14,
& 11,0,15,12,0,16/
data ratioe /0.16666666666667d0,0.66666666666666d0,
& 0.16666666666667d0/
data iflag /2/
!
! removing any results in 1d/2d nodes
!
ne1d2d=0
!
do i=1,ne
!
if(ipkon(i).lt.0) cycle
lakonl=lakon(i)
if((lakonl(7:7).eq.' ').or.(lakonl(7:7).eq.'I').or.
& (lakonl(1:1).ne.'C')) cycle
ne1d2d=1
indexe=ipkon(i)
c!
c! inactivating the 3d expansion nodes of 1d/2d elements
c!
c do j=1,20
c inum(kon(indexe+j))=0
c enddo
!
if((lakonl(4:5).eq.'15').or.(lakonl(4:4).eq.'6')) then
if(lakonl(4:5).eq.'15') then
indexe2d=indexe+15
jmax=6
else
indexe2d=indexe+6
jmax=3
endif
do j=1,jmax
node2d=kon(indexe2d+j)
inum(node2d)=0
do k=1,nfield
if(nactdof(k,node2d).le.0) yn(k,node2d)=0.d0
enddo
enddo
elseif(lakonl(7:7).eq.'B') then
if(lakonl(4:5).eq.'8I') then
indexe2d=indexe+11
jmax=2
elseif(lakonl(4:5).eq.'8R') then
indexe2d=indexe+8
jmax=2
elseif(lakonl(4:5).eq.'20') then
indexe2d=indexe+20
jmax=3
endif
do j=1,jmax
node2d=kon(indexe2d+j)
inum(node2d)=0
do k=1,nfield
if(nactdof(k,node2d).le.0) yn(k,node2d)=0.d0
enddo
enddo
else
if(lakonl(4:5).eq.'8I') then
indexe2d=indexe+11
jmax=4
elseif((lakonl(4:5).eq.'8R').or.(lakonl(4:5).eq.'8 ')) then
indexe2d=indexe+8
jmax=4
elseif(lakonl(4:5).eq.'20') then
indexe2d=indexe+20
jmax=8
endif
do j=1,jmax
node2d=kon(indexe2d+j)
inum(node2d)=0
do k=1,nfield
if(nactdof(k,node2d).le.0) yn(k,node2d)=0.d0
enddo
enddo
endif
!
! inactivating the 3d expansion nodes of 1d/2d elements
!
do j=1,indexe2d-indexe
inum(kon(indexe+j))=0
enddo
!
enddo
!
! if no 1d/2d elements return
!
if(ne1d2d.eq.0) return
!
! interpolation of 3d results on 1d/2d nodes
!
do i=1,ne
!
if(ipkon(i).lt.0) cycle
lakonl=lakon(i)
if((lakonl(7:7).eq.' ').or.(lakonl(7:7).eq.'I').or.
& (lakonl(1:1).ne.'C')) cycle
indexe=ipkon(i)
!
! check whether linear or quadratic element
!
if((lakonl(4:4).eq.'6').or.(lakonl(4:4).eq.'8')) then
quadratic=.false.
else
quadratic=.true.
endif
!
if((lakonl(4:5).eq.'15').or.(lakonl(4:4).eq.'6')) then
if(lakonl(4:5).eq.'15') then
indexe2d=indexe+15
jmax=6
else
indexe2d=indexe+6
jmax=3
endif
do j=1,jmax
node2d=kon(indexe2d+j)
inum(node2d)=inum(node2d)-1
!
! taking the mean across the thickness
!
if((j.le.3).and.(quadratic)) then
!
! end nodes: weights 1/6,2/3 and 1/6
!
do l=1,3
node3d=kon(indexe+node6(l,j))
do k=1,nfield
if(nactdof(k,node2d).le.0) yn(k,node2d)=
& yn(k,node2d)+yn(k,node3d)*ratioe(l)
enddo
enddo
else
!
! middle nodes: weights 1/2,1/2
!
do l=1,3,2
node3d=kon(indexe+node6(l,j))
do k=1,nfield
if(nactdof(k,node2d).le.0) yn(k,node2d)=
& yn(k,node2d)+yn(k,node3d)/2.d0
enddo
enddo
endif
enddo
elseif(lakonl(7:7).eq.'B') then
if(lakonl(4:5).eq.'8I') then
indexe2d=indexe+11
jmax=2
elseif(lakonl(4:5).eq.'8R') then
indexe2d=indexe+8
jmax=2
elseif(lakonl(4:5).eq.'20') then
indexe2d=indexe+20
jmax=3
endif
!
! mean values for beam elements
!
do j=1,jmax
node2d=kon(indexe2d+j)
!
! mean value of vertex values
!
do l=1,4
inum(node2d)=inum(node2d)-1
if(quadratic) then
node3d=kon(indexe+node3(l,j))
else
node3d=kon(indexe+node3(l,2*j-1))
endif
do k=1,nfield
if(nactdof(k,node2d).le.0) yn(k,node2d)=
& yn(k,node2d)+yn(k,node3d)
enddo
enddo
enddo
else
if(lakonl(4:5).eq.'8I') then
indexe2d=indexe+11
jmax=4
elseif((lakonl(4:5).eq.'8R').or.(lakonl(4:5).eq.'8 ')) then
indexe2d=indexe+8
jmax=4
elseif(lakonl(4:5).eq.'20') then
indexe2d=indexe+20
jmax=8
endif
do j=1,jmax
node2d=kon(indexe2d+j)
inum(node2d)=inum(node2d)-1
!
! taking the mean across the thickness
!
if((j.le.4).and.(quadratic)) then
!
! end nodes: weights 1/6,2/3 and 1/6
!
do l=1,3
node3d=kon(indexe+node8(l,j))
do k=1,nfield
if(nactdof(k,node2d).le.0) yn(k,node2d)=
& yn(k,node2d)+yn(k,node3d)*ratioe(l)
enddo
enddo
else
!
! middle nodes: weights 1/2,1/2
!
do l=1,3,2
node3d=kon(indexe+node8(l,j))
do k=1,nfield
if(nactdof(k,node2d).le.0) yn(k,node2d)=
& yn(k,node2d)+yn(k,node3d)/2.d0
enddo
enddo
endif
enddo
endif
!
enddo
!
! taking the mean of nodal contributions coming from different
! elements having the node in common
!
do i=1,nk
if(inum(i).lt.0) then
inum(i)=-inum(i)
do j=1,nfield
if(nactdof(j,i).le.0) yn(j,i)=yn(j,i)/inum(i)
enddo
endif
enddo
!
return
end
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