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Hypresolver.f90
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Hypresolver.f90
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Subroutine hypresolve(solid)
use COM
implicit none
include 'HYPREf.h'
integer i,j,k,l,m,solid
integer ierr,ndims,nentries,nparts,nvars,part,var,object_type,itmax,prlv,iter,nb
integer ilower(2),iupper(2),stencil_indices(5),offsets(2,5),vartypes(1),bclower(2),bcupper(2),nblower(2),nbupper(2),map(2),dir(2)
real(8) tol,res,values(5*maxval(Ig)*maxval(Jg))
integer(8) gridmb
integer(8) stencil
integer(8) graph
integer(8) A
integer(8) b
integer(8) x
integer(8) parA
integer(8) parb
integer(8) parx
integer(8) solver
integer(8) MPI_COMM_WORLD
integer HYPRE_SSTRUCT_VARIABLE_CELL
parameter(HYPRE_SSTRUCT_VARIABLE_CELL = 0)
ndims = 2
nparts = block
nvars = 1
nentries = 5
var = 0
object_type = HYPRE_PARCSR
vartypes(1) = HYPRE_SSTRUCT_VARIABLE_CELL
Call HYPRE_SStructGridCreate(MPI_COMM_WORLD,ndims,nparts,gridmb,ierr)
DO l=1,block
ilower(1) = 1
ilower(2) = 1
iupper(1) = Ig(l)
iupper(2) = Jg(l)
part = l-1
Call HYPRE_SStructGridSetExtents(gridmb,part,ilower,iupper,ierr)
Call HYPRE_SStructGridSetVariables(gridmb,part,nvars,vartypes,ierr)
end DO
DO l=1,block
part = l-1
bclower(1)=0
bcupper(1)=0
DO j=1,Jg(l)
if(topos(l)%nbl(j)/=0) then
nb = topos(l)%nbl(j)-1
bclower(2)=j
bcupper(2)=j
nblower(1)=topos(l)%Iindexl(j)
nblower(2)=topos(l)%Jindexl(j)
nbupper(1)=topos(l)%Iindexl(j)
nbupper(2)=topos(l)%Jindexl(j)
if(topos(l)%Iindexl(j)/=topos(l)%Iindexll(j).and.topos(l)%Iindexl(j)==Ig(nb+1)) then
map(1)=0
map(2)=1
dir(1)=1
dir(2)=1
else if(topos(l)%Jindexl(j)/=topos(l)%Jindexll(j).and.topos(l)%Jindexl(j)==Jg(nb+1)) then
map(1)=1
map(2)=0
dir(1)=1
dir(2)=-1
else if(topos(l)%Iindexl(j)/=topos(l)%Iindexll(j).and.topos(l)%Iindexl(j)==1) then
map(1)=0
map(2)=1
dir(1)=-1
dir(2)=-1
else if(topos(l)%Jindexl(j)/=topos(l)%Jindexll(j).and.topos(l)%Jindexl(j)==1) then
map(1)=1
map(2)=0
dir(1)=-1
dir(2)=1
end if
Call HYPRE_SStructGridSetNeighborPart(gridmb,part,bclower,bcupper,nb,nblower,nbupper,map,dir,ierr)
end if
end DO
bclower(1)=In(l)
bcupper(1)=In(l)
DO j=1,Jg(l)
if(topos(l)%nbr(j)/=0) then
nb = topos(l)%nbr(j)-1
bclower(2)=j
bcupper(2)=j
nblower(1)=topos(l)%Iindexr(j)
nblower(2)=topos(l)%Jindexr(j)
nbupper(1)=topos(l)%Iindexr(j)
nbupper(2)=topos(l)%Jindexr(j)
if(topos(l)%Iindexr(j)/=topos(l)%Iindexrr(j).and.topos(l)%Iindexr(j)==1) then
map(1)=0
map(2)=1
dir(1)=1
dir(2)=1
else if(topos(l)%Jindexr(j)/=topos(l)%Jindexrr(j).and.topos(l)%Jindexr(j)==1) then
map(1)=1
map(2)=0
dir(1)=1
dir(2)=-1
else if(topos(l)%Iindexr(j)/=topos(l)%Iindexrr(j).and.topos(l)%Iindexr(j)==Ig(nb+1)) then
map(1)=0
map(2)=1
dir(1)=-1
dir(2)=-1
else if(topos(l)%Jindexr(j)/=topos(l)%Jindexrr(j).and.topos(l)%Jindexr(j)==Jg(nb+1)) then
map(1)=1
map(2)=0
dir(1)=-1
dir(2)=1
end if
Call HYPRE_SStructGridSetNeighborPart(gridmb,part,bclower,bcupper,nb,nblower,nbupper,map,dir,ierr)
end if
end DO
bclower(2)=0
bcupper(2)=0
DO i=1,Ig(l)
if(topos(l)%nbu(i)/=0) then
nb = topos(l)%nbu(i)-1
bclower(1)=i
bcupper(1)=i
nblower(1)=topos(l)%Iindexu(i)
nblower(2)=topos(l)%Jindexu(i)
nbupper(1)=topos(l)%Iindexu(i)
nbupper(2)=topos(l)%Jindexu(i)
if(topos(l)%Jindexu(i)/=topos(l)%Jindexuu(i).and.topos(l)%Jindexu(i)==Jg(nb+1)) then
map(1)=0
map(2)=1
dir(1)=1
dir(2)=1
else if(topos(l)%Iindexu(i)/=topos(l)%Iindexuu(i).and.topos(l)%Iindexu(i)==Ig(nb+1)) then
map(1)=1
map(2)=0
dir(1)=-1
dir(2)=1
else if(topos(l)%Jindexu(i)/=topos(l)%Jindexuu(i).and.topos(l)%Jindexu(i)==1) then
map(1)=0
map(2)=1
dir(1)=-1
dir(2)=-1
else if(topos(l)%Iindexu(i)/=topos(l)%Iindexuu(i).and.topos(l)%Iindexu(i)==1) then
map(1)=1
map(2)=0
dir(1)=1
dir(2)=-1
end if
Call HYPRE_SStructGridSetNeighborPart(gridmb,part,bclower,bcupper,nb,nblower,nbupper,map,dir,ierr)
end if
end DO
bclower(2)=Jn(l)
bcupper(2)=Jn(l)
DO i=1,Ig(l)
if(topos(l)%nbd(i)/=0) then
nb = topos(l)%nbd(i)-1
bclower(1)=i
bcupper(1)=i
nblower(1)=topos(l)%Iindexd(i)
nblower(2)=topos(l)%Jindexd(i)
nbupper(1)=topos(l)%Iindexd(i)
nbupper(2)=topos(l)%Jindexd(i)
if(topos(l)%Jindexd(i)/=topos(l)%Jindexdd(i).and.topos(l)%Jindexd(i)==1) then
map(1)=0
map(2)=1
dir(1)=1
dir(2)=1
else if(topos(l)%Iindexd(i)/=topos(l)%Iindexdd(i).and.topos(l)%Iindexd(i)==1) then
map(1)=1
map(2)=0
dir(1)=-1
dir(2)=1
else if(topos(l)%Jindexd(i)/=topos(l)%Jindexdd(i).and.topos(l)%Jindexd(i)==Jg(nb+1)) then
map(1)=0
map(2)=1
dir(1)=-1
dir(2)=-1
else if(topos(l)%Iindexd(i)/=topos(l)%Iindexdd(i).and.topos(l)%Iindexd(i)==Ig(nb+1)) then
map(1)=1
map(2)=0
dir(1)=1
dir(2)=-1
end if
Call HYPRE_SStructGridSetNeighborPart(gridmb,part,bclower,bcupper,nb,nblower,nbupper,map,dir,ierr)
end if
end DO
end DO
Call HYPRE_SStructGridAssemble(gridmb,ierr)
Call HYPRE_SStructStencilCreate(ndims,nentries,stencil,ierr)
offsets(1,1) = 0
offsets(2,1) = 0
offsets(1,2) = -1
offsets(2,2) = 0
offsets(1,3) = 1
offsets(2,3) = 0
offsets(1,4) = 0
offsets(2,4) = -1
offsets(1,5) = 0
offsets(2,5) = 1
DO i=1,nentries
stencil_indices(i) = i-1
Call HYPRE_SStructStencilSetEntry(stencil,stencil_indices(i),offsets(1,i),var,ierr)
end DO
Call HYPRE_SStructGraphCreate(MPI_COMM_WORLD, gridmb, graph, ierr)
Call HYPRE_SStructGraphSetObjectType(graph,object_type,ierr)
DO part=0,block-1
Call HYPRE_SStructGraphSetStencil(graph,part,var,stencil,ierr)
end DO
Call HYPRE_SStructGraphAssemble(graph,ierr)
Call HYPRE_SStructMatrixCreate(MPI_COMM_WORLD,graph,A,ierr)
Call HYPRE_SStructMatrixSetObjectTyp(A,object_type,ierr)
Call HYPRE_SStructMatrixInitialize(A,ierr)
DO m=1,block
ilower(1) = 1
ilower(2) = 1
iupper(1) = Ig(m)
iupper(2) = Jg(m)
part = m-1
l=1
DO j=1,Jg(m)
DO i=1,Ig(m)
DO k=1,nentries
if(k==1) then
values(l)=Imps(m)%ahM(1,i,j)
else
values(l)=-Imps(m)%ahM(k,i,j)
end if
l=l+1
end DO
end DO
end DO
Call HYPRE_SStructMatrixSetBoxValues(A,part,ilower,iupper,var,nentries,stencil_indices,values,ierr)
end DO
Call HYPRE_SStructMatrixAssemble(A,ierr)
Call HYPRE_SStructMatrixGetObject(A, parA, ierr)
Call HYPRE_SStructVectorCreate(MPI_COMM_WORLD,gridmb,b,ierr)
Call HYPRE_SStructVectorCreate(MPI_COMM_WORLD,gridmb,x,ierr)
Call HYPRE_SStructVectorSetObjectTyp(b,object_type,ierr)
Call HYPRE_SStructVectorSetObjectTyp(x,object_type,ierr)
Call HYPRE_SStructVectorInitialize(b,ierr)
Call HYPRE_SStructVectorInitialize(x,ierr)
DO l=1,block
ilower(1) = 1
ilower(2) = 1
iupper(1) = Ig(l)
iupper(2) = Jg(l)
part = l-1
Call HYPRE_SStructVectorSetBoxValues(b,part,ilower,iupper,var,Imps(l)%bh,ierr)
Call HYPRE_SStructVectorSetBoxValues(x,part,ilower,iupper,var,Imps(l)%dh,ierr)
end DO
Call HYPRE_SStructVectorAssemble(b,ierr)
Call HYPRE_SStructVectorAssemble(x,ierr)
Call HYPRE_SStructVectorGetObject(b, parb, ierr)
Call HYPRE_SStructVectorGetObject(x, parx, ierr)
itmax = maxl
prlv = 0
tol = err
if(solid==1) then
Call HYPRE_SStructBiCGSTABCreate(MPI_COMM_WORLD, solver, ierr)
Call HYPRE_SStructBiCGSTABSetTol(solver, tol, ierr)
Call HYPRE_SStructBiCGSTABSetPrintLe(solver, prlv, ierr)
Call HYPRE_SStructBiCGSTABSetMaxIter(solver, itmax, ierr)
Call HYPRE_SStructBiCGSTABSetup(solver, A, b, x, ierr)
Call HYPRE_SStructBiCGSTABSolve(solver, A, b, x, ierr)
else if(solid==2) then
Call HYPRE_SStructPCGCreate(MPI_COMM_WORLD, solver, ierr)
Call HYPRE_SStructPCGSetTol(solver, tol, ierr)
Call HYPRE_SStructPCGSetPrintLevel(solver, prlv, ierr)
Call HYPRE_SStructPCGSetMaxIter(solver, itmax, ierr)
Call HYPRE_SStructPCGSetup(solver, A, b, x, ierr)
Call HYPRE_SStructPCGSolve(solver, A, b, x, ierr)
else if(solid==3) then
Call HYPRE_BoomerAMGCreate(solver, ierr)
Call HYPRE_BoomerAMGSetTol(solver, tol, ierr)
Call HYPRE_BoomerAMGSetPrintLevel(solver, prlv, ierr)
Call HYPRE_BoomerAMGSetMaxIter(solver, itmax, ierr)
!Call HYPRE_BoomerAMGSetCoarsenType(solver, 10, ierr)
!Call HYPRE_BoomerAMGSetInterpType(solver, 6, ierr)
!Call HYPRE_BoomerAMGSetRelaxType(solver, 6, ierr)
Call HYPRE_BoomerAMGSetup(solver, parA, parb, parx, ierr)
Call HYPRE_BoomerAMGSolve(solver, parA, parb, parx, ierr)
end if
Call HYPRE_SStructVectorGather(x,ierr)
DO l=1,block
ilower(1) = 1
ilower(2) = 1
iupper(1) = Ig(l)
iupper(2) = Jg(l)
part = l-1
Call HYPRE_SStructVectorGetBoxValues(x,part,ilower,iupper,var,Imps(l)%dh,ierr)
end DO
if(solid==1) then
Call HYPRE_SStructBiCGSTABGetNumIter(solver, iter, ierr)
Call HYPRE_SStructBiCGSTABGetFinalRe(solver, res, ierr)
else if(solid==2) then
Call HYPRE_SStructPCGGetNumIteration(solver, iter, ierr)
Call HYPRE_SStructPCGGetFinalRelativ(solver, res, ierr)
else if(solid==3) then
Call HYPRE_BoomerAMGGetNumIterations(solver, iter, ierr)
Call HYPRE_BoomerAMGGetFinalReltvRes(solver, res, ierr)
end if
if(mod(timestep,10)==1.or.timestep==timeout) then
write(8,*) timestep,res,iter
end if
Call HYPRE_SStructGridDestroy(gridmb, ierr)
Call HYPRE_SStructStencilDestroy(stencil, ierr)
Call HYPRE_SStructGraphDestroy(graph, ierr)
Call HYPRE_SStructMatrixDestroy(A, ierr)
Call HYPRE_SStructVectorDestroy(b, ierr)
Call HYPRE_SStructVectorDestroy(x, ierr)
if(solid==1) then
Call HYPRE_SStructBiCGSTABDestroy(solver, ierr)
else if(solid==2) then
Call HYPRE_SStructPCGDestroy(solver, ierr)
else if(solid==3) then
Call HYPRE_BoomerAMGDestroy(solver, ierr)
end if
end Subroutine hypresolve