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!------------------------------------------------------------------------------|
!------------------------------------------------------------------------------|
! |
! ||===\\ |
! || \\ |
! || || //==\\ || || //==|| ||/==\\ |
! || || || || || || || || || || |
! || // || || || || || || || |
! ||===// \\==// \\==\\ \\==\\ || |
! |
!------------------------------------------------------------------------------|
!------------------------------------------------------------------------------|
! |
! DEFINE_BC Feb. 2009 |
! |
!------------------------------------------------------------------------------|
!------------------------------------------------------------------------------|
subroutine define_bc (params,osolve,vo,zi)
!------------------------------------------------------------------------------|
!(((((((((((((((( Purpose of the routine )))))))))))))))))))))))))))))))))))))
!------------------------------------------------------------------------------|
! this routine assigns the boundary condition for the Tibet experiment
!------------------------------------------------------------------------------|
!(((((((((((((((( declaration of the subroutine arguments ))))))))))))))))))))
!------------------------------------------------------------------------------|
use definitions
implicit none
type (parameters) params
type (octreesolve) osolve
type (void) vo
type (ziso) zi
!------------------------------------------------------------------------------|
!(((((((((((((((( declaration of the subroutine internal variables )))))))))))))
!------------------------------------------------------------------------------|
integer i,iproc,nproc,ierr
double precision eps,lsf0,pi,lorig,h,x1,x2,phi,spu,spv,yend,cper,cscl,xstart
double precision ystart,theta,l,vin,vzfluxscl,cntvel,dxy,xend,xsym,ymax,xwidth
double precision ywidth
double precision,dimension(:),allocatable :: x0,ldisp
integer ie,ij,j,jp,nelemx,nelemz
logical firstcall
!------------------------------------------------------------------------------|
!------------------------------------------------------------------------------|
INCLUDE 'mpif.h'
call mpi_comm_size (mpi_comm_world,nproc,ierr)
call mpi_comm_rank (mpi_comm_world,iproc,ierr)
eps=1.d-10
osolve%kfix=0
osolve%kfixt=0
pi=atan(1.d0)*4.d0
select case(trim(params%infile))
case('input.txt','input.small.txt')
do i=1,osolve%nnode
if (osolve%x(i).lt.eps) then
osolve%kfix((i-1)*3+1)=1 ; osolve%u(i)=0.d0
osolve%kfix((i-1)*3+2)=1 ; osolve%v(i)=0.d0
osolve%kfix((i-1)*3+3)=1 ; osolve%w(i)=0.d0
endif
if (osolve%x(i).gt.1.d0-eps) then
osolve%kfix((i-1)*3+1)=1 ; osolve%u(i)=0.d0
osolve%kfix((i-1)*3+2)=1 ; osolve%v(i)=0.d0
osolve%kfix((i-1)*3+3)=1 ; osolve%w(i)=0.d0
endif
if (osolve%y(i).lt.eps) then
! osolve%kfix((i-1)*3+1)=1 ; osolve%u(i)=0.d0
osolve%kfix((i-1)*3+2)=1 ; osolve%v(i)=0.d0
! osolve%kfix((i-1)*3+3)=1 ; osolve%w(i)=0.d0
endif
if (osolve%y(i).gt.1.d0-eps) then
! osolve%kfix((i-1)*3+1)=1 ; osolve%u(i)=0.d0
osolve%kfix((i-1)*3+2)=1 ; osolve%v(i)=0.d0
! osolve%kfix((i-1)*3+3)=1 ; osolve%w(i)=0.d0
endif
if (osolve%z(i).lt.eps) then
osolve%kfix((i-1)*3+1)=1 ; osolve%u(i)=0.d0
osolve%kfix((i-1)*3+2)=1 ; osolve%v(i)=0.d0
osolve%kfix((i-1)*3+3)=1 ; osolve%w(i)=0.d0
osolve%kfixt(i)=1
osolve%temp(i)=1.d0
endif
if (osolve%z(i).gt.1.d0-eps) then
osolve%kfix((i-1)*3+1)=1 ; osolve%u(i)=0.d0
osolve%kfix((i-1)*3+2)=1 ; osolve%v(i)=0.d0
osolve%kfix((i-1)*3+3)=1 ; osolve%w(i)=0.d0
osolve%kfixt(i)=1
osolve%temp(i)=0.d0
endif
if (.not.vo%influid(i)) then
osolve%kfixt(i)=1
osolve%temp(i)=0.d0
endif
! Set velocity B/C everywhere to disallow flow in the y-direction
osolve%kfix((i-1)*3+2)=1 ; osolve%v(i)=0.d0
enddo
case ('input.jgr')
call define_bc_jgr (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.sphere')
call define_bc_sphere (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.3Dpunch')
call define_bc_3Dpunch (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.2Dpunch')
call define_bc_2Dpunch (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.2Dpunch_vert')
call define_bc_2Dpunch_vert (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.folding')
call define_bc_folding (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.pipo')
call define_bc_pipo (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.ritske')
call define_bc_ritske (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.ritske_isurf')
call define_bc_ritske_isurf (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.subduction')
call define_bc_subduction (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.riedel')
call define_bc_riedel (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case ('input.parallipipede')
call define_bc_parallipipede (osolve%nnode,osolve%kfix,osolve%kfixt,osolve%x,osolve%y,osolve%z,osolve%u,osolve%v,osolve%w,osolve%temp,vo)
case default
if (iproc.eq.0) print *,params%infile
call stop_run (' pb with input file in define_bc.f90')
end select
! here we need to impose that the bc satisfy the bad faces constrains
do ie=1,osolve%nface
do j=1,4
jp=1+mod(j,4)
i=osolve%iface(j+4,ie)
if (osolve%kfix((i-1)*3+1).eq.1) osolve%u(i)=(osolve%u(osolve%iface(j,ie))+osolve%u(osolve%iface(jp,ie)))/2.d0
if (osolve%kfix((i-1)*3+2).eq.1) osolve%v(i)=(osolve%v(osolve%iface(j,ie))+osolve%v(osolve%iface(jp,ie)))/2.d0
if (osolve%kfix((i-1)*3+3).eq.1) osolve%w(i)=(osolve%w(osolve%iface(j,ie))+osolve%w(osolve%iface(jp,ie)))/2.d0
if (osolve%kfixt(i).eq.1) osolve%temp(i)=(osolve%temp(osolve%iface(j,ie))+osolve%temp(osolve%iface(jp,ie)))/2.d0
enddo
i=osolve%iface(9,ie)
if (osolve%kfix((i-1)*3+1).eq.1) osolve%u(i)=sum(osolve%u(osolve%iface(1:4,ie)))/4.d0
if (osolve%kfix((i-1)*3+2).eq.1) osolve%v(i)=sum(osolve%v(osolve%iface(1:4,ie)))/4.d0
if (osolve%kfix((i-1)*3+3).eq.1) osolve%w(i)=sum(osolve%w(osolve%iface(1:4,ie)))/4.d0
if (osolve%kfixt(i).eq.1) osolve%temp(i)=sum(osolve%temp(osolve%iface(1:4,ie)))/4.d0
enddo
if (params%debug==2) call output_bc (osolve)
return
end
!------------------------------------------------------------------------------|
!------------------------------------------------------------------------------|