void TPZStepSolver<TVar>::Solve(const TPZFMatrix<TVar> &F, TPZFMatrix<TVar> &result, TPZFMatrix<TVar> *residual){
if(!this->Matrix()) {
cout << "TPZMatrixSolver::Solve called without a matrix pointer\n";
DebugStop();
}
TPZAutoPointer<TPZMatrix<TVar> > mat = this->Matrix();
// update the matrix to which the preconditioner refers
if(fPrecond)
{
fPrecond->UpdateFrom(this->Matrix());
}
if(result.Rows() != mat->Rows() || result.Cols() != F.Cols()) {
result.Redim(mat->Rows(),F.Cols());
}
if(this->fScratch.Rows() != result.Rows() || this->fScratch.Cols() != result.Cols()) {
this->fScratch.Redim(result.Rows(),result.Cols());
}
TVar tol = fTol;
int numiterations = fNumIterations;
switch(fSolver) {
case TPZStepSolver::ENoSolver:
default:
cout << "TPZMatrixSolver::Solve called without initialized solver, Jacobi used\n";
SetJacobi(1,0.,0);
case TPZStepSolver::EJacobi:
// cout << "fScratch dimension " << fScratch.Rows() << ' ' << fScratch.Cols() << endl;
mat->SolveJacobi(numiterations,F,result,residual,this->fScratch,tol,fFromCurrent);
break;
case TPZStepSolver::ESOR:
mat->SolveSOR(numiterations,F,result,residual,this->fScratch,fOverRelax,tol,fFromCurrent);
break;
case TPZStepSolver::ESSOR:
mat->SolveSSOR(numiterations,F,result,residual,this->fScratch,fOverRelax,tol,fFromCurrent);
break;
case TPZStepSolver::ECG:
mat->SolveCG(numiterations,*fPrecond,F,result,residual,tol,fFromCurrent);
#ifdef LOG4CXX
{
std::stringstream sout;
sout << "Number of equations " << mat->Rows() << std::endl;
sout << "Number of CG iterations " << numiterations << " tol = " << tol;
LOGPZ_DEBUG(logger,sout.str().c_str());
}
#endif
break;
case TPZStepSolver::EGMRES: {
TPZFMatrix<TVar> H(fNumVectors+1,fNumVectors+1,0.);
mat->SolveGMRES(numiterations,*fPrecond,H,fNumVectors,F,result,residual,tol,fFromCurrent);
if(numiterations == fNumIterations || tol >= fTol)
{
std::cout << "GMRes tolerance was not achieved : numiter " << numiterations <<
" tol " << tol << endl;
}
#ifdef LOG4CXX
{
std::stringstream sout;
sout << "Number of GMRES iterations " << numiterations << " tol = " << tol;
LOGPZ_DEBUG(logger,sout.str().c_str());
}
#endif
}
break;
case TPZStepSolver::EBICGSTAB:
mat->SolveBICGStab(numiterations, *fPrecond, F, result,residual,tol,fFromCurrent);
if(numiterations == fNumIterations || tol >= fTol)
{
std::cout << "BiCGStab tolerance was not achieved : numiter " << numiterations <<
" tol " << tol << endl;
}
#ifdef LOG4CXX
{
std::stringstream sout;
sout << "Number of BiCGStab iterations " << numiterations << " tol = " << tol;
LOGPZ_DEBUG(logger,sout.str().c_str());
}
#endif
break;
case TPZStepSolver::EDirect:
result = F;
mat->SolveDirect(result,fDecompose,fSingular);
if(residual) residual->Redim(F.Rows(),F.Cols());
break;
case TPZStepSolver::EMultiply:
mat->Multiply(F,result);
if(residual) mat->Residual(result,F,*residual);
}
}
int main1(int argc, char *argv[])
{
#ifdef LOG4CXX
InitializePZLOG();
#endif
TPZTimer total;
total.start();
std::cout << "COMECA O TEMPO"<< std::endl;
int dimension = 3;
int dim = 2;
int maxlevel = 5;
int sublevel = 3;
int plevel = 1;
TPZPairStructMatrix::gNumThreads = 20;
int numthreads = 20;
// tempo.fNumthreads = numthreads; // alimenta timeTemp com o numero de threads
TPZGeoMesh *gmesh = 0;
{
TPZCompEl::SetgOrder(plevel);
TPZAutoPointer<TPZCompMesh> cmesh;
if(0)
{
TPZGenSubStruct sub(dim,maxlevel,sublevel);
cmesh = sub.GenerateMesh();
cmesh->SetDimModel(dim);
gmesh = cmesh->Reference();
}
else
{
dim = 3;
if (1) // Predio Viscoso
{
int dimension = 3;
gmesh = MalhaPredio();
cmesh = new TPZCompMesh(gmesh);
cmesh->SetDimModel(3);
cmesh->SetDefaultOrder(plevel);
cmesh->SetAllCreateFunctionsContinuousWithMem(dimension);
InsertViscoElasticity(cmesh);
cmesh->AutoBuild();
}
else // Cubo Viscoso
{
int dimension = 3;
gmesh = MalhaCubo();
cmesh = new TPZCompMesh(gmesh);
cmesh->SetDimModel(3);
cmesh->SetDefaultOrder(plevel);
cmesh->SetAllCreateFunctionsContinuousWithMem(dimension);
InsertViscoElasticityCubo(cmesh);
cmesh->AutoBuild();
}
}
std::cout << "Numero de equacoes " << cmesh->NEquations() << std::endl;
int numthread_assemble = 20;
int numthread_decompose = 20;
TPZAutoPointer<TPZCompMesh> cmeshauto(cmesh);
TPZDohrStructMatrix dohrstruct(cmeshauto);
dohrstruct.IdentifyExternalConnectIndexes();
std::cout << "Substructuring the mesh\n";
// TPZfTime timetosub; // init of timer
//REAL height = Height(gmesh);
//int nsubstruct = SubStructure(cmesh, height/2);
dohrstruct.SubStructure(16);
// tempo.ft0sub = timetosub.ReturnTimeDouble(); // end of timer
// std::cout << tempo.ft0sub << std::endl;
// sub.SubStructure();
//Teste Skyline
/*
TPZSkylineStructMatrix skyl(cmesh);
TPZFMatrix<REAL> rhsfake(cmesh->NEquations(),1,0);
int numsubmesh = cmesh->NElements();
TPZAutoPointer<TPZGuiInterface> fakegui = new TPZGuiInterface;
int nel = cmesh->NElements();
for (int iel = 0 ; iel < nel ; iel++)
{
TPZSubCompMesh *subcompmesh = dynamic_cast<TPZSubCompMesh*>(cmesh->ElementVec()[iel]);
if(subcompmesh)
{
subcompmesh->SetAnalysisSkyline(0,0,fakegui);
}
}
TPZMatrix<REAL> *stiff2 = skyl.CreateAssemble(rhsfake, fakegui,numthread_assemble,numthread_decompose);
*/
#ifdef LOG4CXX
{
std::stringstream str;
cmesh->Print(str);
LOGPZ_DEBUG(logger,str.str());
}
#endif
dohrstruct.SetNumThreads(numthreads);
TPZAutoPointer<TPZGuiInterface> gui;
TPZFMatrix<STATE> rhs(cmesh->NEquations(),1,0.);
TPZMatrix<STATE> *matptr = dohrstruct.Create();
dohrstruct.Assemble(*matptr,rhs,gui,numthread_assemble,numthread_decompose);
TPZAutoPointer<TPZMatrix<STATE> > dohr = matptr;
TPZAutoPointer<TPZMatrix<STATE> > precond = dohrstruct.Preconditioner();
{
std::ofstream out("DohrCerta2.txt");
TPZFMatrix<REAL> Subtract(dohr->Rows(),dohr->Rows()), unitary(dohr->Rows(),dohr->Rows());
unitary.Identity();
TPZFMatrix<REAL> result;
dohr->Multiply(unitary, result);
result.Print("DohrCerta2", out);
}
/*
#ifdef LOG4CXX
{
std::ofstream out("DohrErrada.txt"), outRhsCerto("RhsSkyl.txt"), outRhsErrado("RhsDohrmann.txt");
TPZFMatrix<REAL> Subtract(dohr->Rows(),dohr->Rows()), unitary(dohr->Rows(),dohr->Rows());
unitary.Identity();
TPZFMatrix<REAL> result;
dohr->Multiply(unitary, result);
std::ofstream out2("Dohr_Certa.txt");
result.Print("DohrCerta",out2);
for (int i = 0 ; i < dohr->Rows(); i++)
{
for (int j = 0 ; j < dohr->Rows(); j++)
{
double temp = result(i,j) - stiff2->Get(i,j);
if (temp < 1e-10)
{
temp = 0;
}
Subtract(i,j) = temp;
}
}
std::stringstream str;
result.Print("DohrmannErrada", out);
stiff2->Print("Skyl",out);
Subtract.Print("Subtract", out);
rhsfake.Print("RhsSkyl", outRhsCerto);
rhs.Print("RhsDohrmann", outRhsErrado);
LOGPZ_DEBUG(logger,str.str());
}
#endif
*/
int neq = dohr->Rows();
TPZFMatrix<STATE> diag(neq,1,0.), produto(neq,1);
std::cout << "Numero de equacoes " << neq << std::endl;
TPZStepSolver<STATE> pre(precond);
pre.SetMultiply();
TPZStepSolver<STATE> cg(dohr);
// void SetCG(const int numiterations,const TPZMatrixSolver &pre,const STATE tol,const int FromCurrent);
cg.SetCG(500,pre,5.e-6,0);
cg.Solve(rhs,diag);
diag.Print("diag");
TPZDohrMatrix<STATE,TPZDohrSubstructCondense<STATE> > *dohrptr = dynamic_cast<TPZDohrMatrix<STATE,TPZDohrSubstructCondense<STATE> > *> (dohr.operator->());
if (!dohrptr) {
DebugStop();
}
dohrptr->AddInternalSolution(diag);
TPZMaterial * mat = cmeshauto->FindMaterial(1);
int nstate = mat->NStateVariables();
int nscal = 0, nvec = 0;
if(nstate ==1)
{
nscal = 1;
}
else
{
nvec = 1;
}
TPZManVector<std::string> scalnames(nscal),vecnames(nvec);
if(nscal == 1)
{
scalnames[0]="state";
}
else
{
vecnames[0] = "state";
}
//cmeshauto->Solution().Print();
std::string postprocessname("ugabuga.vtk");
TPZVTKGraphMesh vtkmesh(cmesh.operator->(),dim,mat,scalnames,vecnames);
vtkmesh.SetFileName(postprocessname);
vtkmesh.SetResolution(0);
int numcases = 1;
// Iteracoes de tempo
int istep = 0, nsteps = 80;
vtkmesh.DrawMesh(numcases);
vtkmesh.DrawSolution(istep, 1.);
typedef std::list<TPZAutoPointer<TPZDohrSubstructCondense<STATE> > > subtype;
const subtype &sublist = dohrptr->SubStructures();
subtype::const_iterator it = sublist.begin();
int subcount=0;
while (it != sublist.end())
{
TPZFMatrix<STATE> subext,subu;
dohrptr->fAssembly->Extract(subcount,diag,subext);
(*it)->UGlobal(subext,subu);
TPZCompMesh *submesh = SubMesh(cmeshauto, subcount);
submesh->LoadSolution(subu);
subu.Print();
std::map<int ,TPZMaterial * > materialmap(submesh->MaterialVec());
std::map<int ,TPZMaterial * >::iterator itmat;
for (itmat = materialmap.begin(); itmat != materialmap.end() ; itmat++)
{
TPZMaterial * mat = itmat->second;
TPZViscoelastic *vmat = dynamic_cast< TPZViscoelastic *> (mat);
if(vmat)
{
vmat->SetUpdateMem();
}
}
subcount++;
it++;
}
/*
#ifdef LOG4CXX
{
std::stringstream sout;
diag.Print("Resultado do processo iterativo",sout);
LOGPZ_INFO(loggernathan,sout.str())
}
#endif
*/
//ViscoElastico
vtkmesh.DrawMesh(numcases);
vtkmesh.DrawSolution(istep+1, 1.);
std::cout << "To seguindo!!!" << std::endl;
for (istep = 2 ; istep < nsteps ; istep++)
{
TPZAutoPointer<TPZGuiInterface> guifake;
dohrstruct.Assemble(rhs, guifake);
cg.Solve(rhs,diag);
dohrptr->AddInternalSolution(diag);
// Colocando a solucao na malha
typedef std::list<TPZAutoPointer<TPZDohrSubstructCondense<STATE> > > subtype;
const subtype &sublist = dohrptr->SubStructures();
subtype::const_iterator it = sublist.begin();
int subcount=0;
while (it != sublist.end())
{
TPZFMatrix<STATE> subext,subu;
dohrptr->fAssembly->Extract(subcount,diag,subext);
(*it)->UGlobal(subext,subu);
TPZCompMesh *submesh = SubMesh(cmeshauto, subcount);
submesh->LoadSolution(subu);
subcount++;
it++;
}
vtkmesh.DrawMesh(numcases);
vtkmesh.DrawSolution(istep, 1.);
}
}
total.stop();
std::cout << "TEMPO = " << total.seconds() << std::endl;
delete gmesh;
return EXIT_SUCCESS;
}