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getgausspointscoords.f
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getgausspointscoords.f
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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 getgausspointscoords(co,
& iset,istartset,iendset,ipkon,lakon,kon,
& ialset)
!
! calculation and printout of the lift and drag forces
!
implicit none
!
character*8 lakonl,lakon(*)
!
integer konl(20),ifaceq(8,6),nelem,ii,i,j,i1,i2,j1,
& k1,jj,ig,nope,nopes,
& mint2d,ifacet(6,4),ifacew(8,5),iflag,indexe,jface,istartset(*),
& iendset(*),ipkon(*),kon(*),iset,ialset(*),
& fidx
!
real*8 co(3,*),xl(3,20),shp(4,20),xs2(3,7),dvi,f(0:3),
& vkl(0:3,3),t(3,3),div,
& xl2(3,8),xsj2(3),
& shp2(7,8),xi,et,xsj,temp,xi3d,et3d,ze3d,weight,
& xlocal20(3,9,6),xlocal4(3,1,4),xlocal10(3,3,4),xlocal6(3,1,5),
& xlocal15(3,4,5),xlocal8(3,4,6),xlocal8r(3,1,6),pres,
& tf(0:3),tn,tt,dd,coords(3)
!
include "gauss.f"
include "xlocal.f"
!
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/
data iflag /3/
!
!
!
! initialisierung of the flux
!
f(0)=0.d0
! index for the output array
fidx=1
!
!
do jj=istartset(iset),iendset(iset)
!
jface=ialset(jj)
!
nelem=int(jface/10.d0)
ig=jface-10*nelem
lakonl=lakon(nelem)
indexe=ipkon(nelem)
!
if(lakonl(4:4).eq.'2') then
nope=20
nopes=8
elseif(lakonl(4:4).eq.'8') then
nope=8
nopes=4
elseif(lakonl(4:5).eq.'10') then
nope=10
nopes=6
elseif(lakonl(4:4).eq.'4') then
nope=4
nopes=3
elseif(lakonl(4:5).eq.'15') then
nope=15
elseif(lakonl(4:4).eq.'6') then
nope=6
endif
!
if(lakonl(4:5).eq.'8R') then
mint2d=1
elseif((lakonl(4:4).eq.'8').or.(lakonl(4:6).eq.'20R'))
& then
if((lakonl(7:7).eq.'A').or.(lakonl(7:7).eq.'S').or.
& (lakonl(7:7).eq.'E')) then
mint2d=2
else
mint2d=4
endif
elseif(lakonl(4:4).eq.'2') then
mint2d=9
elseif(lakonl(4:5).eq.'10') then
mint2d=3
elseif(lakonl(4:4).eq.'4') then
mint2d=1
endif
!
! local topology
!
do i=1,nope
konl(i)=kon(indexe+i)
enddo
!
! computation of the coordinates of the local nodes
!
do i=1,nope
do j=1,3
xl(j,i)=co(j,konl(i))
enddo
enddo
!
! treatment of wedge faces
!
if(lakonl(4:4).eq.'6') then
mint2d=1
if(ig.le.2) then
nopes=3
else
nopes=4
endif
endif
if(lakonl(4:5).eq.'15') then
if(ig.le.2) then
mint2d=3
nopes=6
else
mint2d=4
nopes=8
endif
endif
!
if((nope.eq.20).or.(nope.eq.8)) then
do i=1,nopes
do j=1,3
xl2(j,i)=co(j,konl(ifaceq(i,ig)))
enddo
enddo
elseif((nope.eq.10).or.(nope.eq.4)) then
do i=1,nopes
do j=1,3
xl2(j,i)=co(j,konl(ifacet(i,ig)))
enddo
enddo
else
do i=1,nopes
do j=1,3
xl2(j,i)=co(j,konl(ifacew(i,ig)))
enddo
enddo
endif
!
do i=1,mint2d
!
! local coordinates of the surface integration
! point within the surface local coordinate system
!
if((lakonl(4:5).eq.'8R').or.
& ((lakonl(4:4).eq.'6').and.(nopes.eq.4))) then
xi=gauss2d1(1,i)
et=gauss2d1(2,i)
weight=weight2d1(i)
elseif((lakonl(4:4).eq.'8').or.
& (lakonl(4:6).eq.'20R').or.
& ((lakonl(4:5).eq.'15').and.(nopes.eq.8))) then
xi=gauss2d2(1,i)
et=gauss2d2(2,i)
weight=weight2d2(i)
elseif(lakonl(4:4).eq.'2') then
xi=gauss2d3(1,i)
et=gauss2d3(2,i)
weight=weight2d3(i)
elseif((lakonl(4:5).eq.'10').or.
& ((lakonl(4:5).eq.'15').and.(nopes.eq.6))) then
xi=gauss2d5(1,i)
et=gauss2d5(2,i)
weight=weight2d5(i)
elseif((lakonl(4:4).eq.'4').or.
& ((lakonl(4:4).eq.'6').and.(nopes.eq.3))) then
xi=gauss2d4(1,i)
et=gauss2d4(2,i)
weight=weight2d4(i)
endif
!
! local surface normal
!
if(nopes.eq.8) then
call shape8q(xi,et,xl2,xsj2,xs2,shp2,iflag)
elseif(nopes.eq.4) then
call shape4q(xi,et,xl2,xsj2,xs2,shp2,iflag)
elseif(nopes.eq.6) then
call shape6tri(xi,et,xl2,xsj2,xs2,shp2,iflag)
else
call shape3tri(xi,et,xl2,xsj2,xs2,shp2,iflag)
endif
!
! global coordinates of the integration point
!
do j1=1,3
coords(j1)=0.d0
do i1=1,nopes
coords(j1)=coords(j1)+shp2(4,i1)*xl2(j1,i1)
enddo
enddo
print *, coords(1), coords(2), coords(3)
!
enddo
enddo
!
!
return
end