int CompareShapeFunctions(TPZCompElSide celsideA, TPZCompElSide celsideB)
{
TPZGeoElSide gelsideA = celsideA.Reference();
TPZGeoElSide gelsideB = celsideB.Reference();
int sideA = gelsideA.Side();
int sideB = gelsideB.Side();
TPZCompEl *celA = celsideA.Element();
TPZCompEl *celB = celsideB.Element(); TPZMultiphysicsElement *MFcelA = dynamic_cast<TPZMultiphysicsElement *>(celA);
TPZMultiphysicsElement *MFcelB = dynamic_cast<TPZMultiphysicsElement *>(celB);
TPZInterpolatedElement *interA = dynamic_cast<TPZInterpolatedElement *>(MFcelA->Element(0));
TPZInterpolatedElement *interB = dynamic_cast<TPZInterpolatedElement *>(MFcelB->Element(0));
TPZMaterialData dataA;
TPZMaterialData dataB;
interA->InitMaterialData(dataA);
interB->InitMaterialData(dataB);
TPZTransform<> tr = gelsideA.NeighbourSideTransform(gelsideB);
TPZGeoEl *gelA = gelsideA.Element();
TPZTransform<> trA = gelA->SideToSideTransform(gelsideA.Side(), gelA->NSides()-1);
TPZGeoEl *gelB = gelsideB.Element();
TPZTransform<> trB = gelB->SideToSideTransform(gelsideB.Side(), gelB->NSides()-1);
int dimensionA = gelA->Dimension();
int dimensionB = gelB->Dimension();
int nSideshapeA = interA->NSideShapeF(sideA);
int nSideshapeB = interB->NSideShapeF(sideB);
int is;
int firstShapeA = 0;
int firstShapeB = 0;
for (is=0; is<sideA; is++) {
firstShapeA += interA->NSideShapeF(is);
}
for (is=0; is<sideB; is++) {
firstShapeB += interB->NSideShapeF(is);
}
TPZIntPoints *intrule = gelA->CreateSideIntegrationRule(gelsideA.Side(), 4);
int nwrong = 0;
int npoints = intrule->NPoints();
int ip;
for (ip=0; ip<npoints; ip++) {
TPZManVector<REAL,3> pointA(gelsideA.Dimension()),pointB(gelsideB.Dimension()), pointElA(gelA->Dimension()),pointElB(gelB->Dimension());
REAL weight;
intrule->Point(ip, pointA, weight);
int sidedim = gelsideA.Dimension();
TPZFNMatrix<9> jacobian(sidedim,sidedim),jacinv(sidedim,sidedim),axes(sidedim,3);
REAL detjac;
gelsideA.Jacobian(pointA, jacobian, jacinv, detjac, jacinv);
TPZManVector<REAL,3> normal(3,0.), xA(3),xB(3);
normal[0] = axes(0,1);
normal[1] = -axes(0,0);
tr.Apply(pointA, pointB);
trA.Apply(pointA, pointElA);
trB.Apply(pointB, pointElB);
gelsideA.Element()->X(pointElA, xA);
gelsideB.Element()->X(pointElB, xB);
for (int i=0; i<3; i++) {
if(fabs(xA[i]- xB[i])> 1.e-6) DebugStop();
}
int nshapeA = 0, nshapeB = 0;
interA->ComputeRequiredData(dataA, pointElA);
interB->ComputeRequiredData(dataB, pointElB);
nshapeA = dataA.phi.Rows();
nshapeB = dataB.phi.Rows();
if(nSideshapeA != nSideshapeB) DebugStop();
TPZManVector<REAL> shapesA(nSideshapeA), shapesB(nSideshapeB);
int nwrongkeep(nwrong);
int i,j;
for(i=firstShapeA,j=firstShapeB; i<firstShapeA+nSideshapeA; i++,j++)
{
int Ashapeind = i;
int Bshapeind = j;
int Avecind = -1;
int Bvecind = -1;
// if A or B are boundary elements, their shapefunctions come in the right order
if (dimensionA != sidedim) {
Ashapeind = dataA.fVecShapeIndex[i].second;
Avecind = dataA.fVecShapeIndex[i].first;
}
if (dimensionB != sidedim) {
Bshapeind = dataB.fVecShapeIndex[j].second;
Bvecind = dataB.fVecShapeIndex[j].first;
}
if (dimensionA != sidedim && dimensionB != sidedim) {
// vefify that the normal component of the normal vector corresponds
Avecind = dataA.fVecShapeIndex[i].first;
Bvecind = dataB.fVecShapeIndex[j].first;
REAL vecnormalA = dataA.fNormalVec(0,Avecind)*normal[0]+dataA.fNormalVec(1,Avecind)*normal[1];
REAL vecnormalB = dataB.fNormalVec(0,Bvecind)*normal[0]+dataB.fNormalVec(1,Bvecind)*normal[1];
if(fabs(vecnormalA-vecnormalB) > 1.e-6)
{
nwrong++;
LOGPZ_ERROR(logger, "normal vectors aren't equal")
}
}
shapesA[i-firstShapeA] = dataA.phi(Ashapeind,0);
shapesB[j-firstShapeB] = dataB.phi(Bshapeind,0);
REAL valA = dataA.phi(Ashapeind,0);
REAL valB = dataB.phi(Bshapeind,0);
REAL diff = valA-valB;
REAL decision = fabs(diff)-1.e-6;
if(decision > 0.)
{
nwrong ++;
std::cout << "valA = " << valA << " valB = " << valB << " Avecind " << Avecind << " Bvecind " << Bvecind <<
" Ashapeind " << Ashapeind << " Bshapeind " << Bshapeind <<
" sideA " << sideA << " sideB " << sideB << std::endl;
LOGPZ_ERROR(logger, "shape function values are different")
}
int TPZCheckGeom::CheckSubFatherTransform(TPZGeoEl *subel, int sidesub) {
int check = 0;
TPZGeoElSide father = subel->Father2(sidesub);
if(!father.Exists()) return check;
TPZIntPoints *integ = subel->CreateSideIntegrationRule(sidesub,2);
int subsidedim = subel->SideDimension(sidesub);
int subdim = subel->Dimension();
TPZTransform trans(subsidedim);
trans = subel->BuildTransform2(sidesub,father.Element(),trans);
int fathsidedim = father.Dimension();
int fathdim = father.Element()->Dimension();
int nsubsides = subel->NSides();
int nfathsides = father.Element()->NSides();
TPZTransform trans1 = subel->SideToSideTransform(sidesub,nsubsides-1);
TPZTransform trans2 = father.Element()->SideToSideTransform(father.Side(),nfathsides-1);
TPZVec<REAL> intpoint(subsidedim);
TPZVec<REAL> sidetopoint(fathsidedim);
TPZVec<REAL> elpoint1(subdim),elpoint2(fathdim);
TPZVec<REAL> x1(3),x2(3);
int nintpoints = integ->NPoints();
int ip;
REAL w;
for(ip=0; ip<nintpoints; ip++) {
integ->Point(ip,intpoint,w);
trans.Apply(intpoint,sidetopoint);
trans1.Apply(intpoint,elpoint1);
trans2.Apply(sidetopoint,elpoint2);
subel->X(elpoint1,x1);
father.Element()->X(elpoint2,x2);
int otherfatherside = father.Element()->WhichSide(elpoint2);
if(otherfatherside != father.Side()) {
int son = subel->WhichSubel();
PZError << "TPZCheckGeom::CheckSubFatherTransform son " << son << " sidesub = "<< sidesub
<< " fathside = " << father.Side() << " otherfatherside = " << otherfatherside << endl;
check=1;
}
REAL dif = 0;
int nx = x1.NElements();
int ix;
for(ix=0; ix<nx; ix++) dif += (x1[ix]-x2[ix])*(x1[ix]-x2[ix]);
if(dif > 1.e-6) {
int son = subel->WhichSubel();
PZError << "TPZCheckGeom::CheckSubFatherTransform son " << son << " sidesub = "<< sidesub
<< " fathside = " << father.Side() << " dif = " << dif << endl;
// subel->Print();
check = 1;
TPZTransform t = subel->ComputeParamTrans(father.Element(),father.Side(),sidesub);
t.PrintInputForm(cout);
cout << endl;
trans.PrintInputForm(cout);
cout << endl;
check = 1;
}
}
if(check == 0) {
TPZTransform t = subel->ComputeParamTrans(father.Element(),father.Side(),sidesub);
check = t.Compare(trans);
if(check == 1){
int son = subel->WhichSubel();
PZError << "TPZCheckGeom::CheckSubFatherTransform son " << son << " sidesub = "<< sidesub
<< " fathside = " << father.Side() << endl;
t.PrintInputForm(cout);
cout << endl;
trans.PrintInputForm(cout);
cout << endl;
}
// compare t with trans
}
delete integ;
return check;
}