Exemple #1
0
void ErrorH1(TPZCompMesh *l2mesh, std::ostream &out)
{
    int64_t nel = l2mesh->NElements();
    int dim = l2mesh->Dimension();
    TPZManVector<STATE,10> globerrors(10,0.);
    for (int64_t el=0; el<nel; el++) {
        TPZCompEl *cel = l2mesh->ElementVec()[el];
        if (!cel) {
            continue;
        }
        TPZGeoEl *gel = cel->Reference();
        if (!gel || gel->Dimension() != dim) {
            continue;
        }
        TPZManVector<STATE,10> elerror(10,0.);
        elerror.Fill(0.);
        cel->EvaluateError(SolSuave, elerror, NULL);
        
        int nerr = elerror.size();
        //globerrors.resize(nerr);
#ifdef LOG4CXX
        if (logger->isDebugEnabled()) {
            std::stringstream sout;
            sout << "L2 Error sq of element " << el << elerror[0]*elerror[0];
            LOGPZ_DEBUG(logger, sout.str())
        }
#endif
        for (int i=0; i<nerr; i++) {
            globerrors[i] += elerror[i]*elerror[i];
        }
    }
void TPZAnalysisError::EvaluateError(REAL CurrentEtaAdmissible, std::ostream &out) {
	//Code isn�t place to chat
	//#warning Philippe, tambem nao entendo aqui //<!>
	
	TPZManVector<REAL,3> elerror(3);
	elerror.Fill(0.);
	TPZManVector<REAL,3> errorSum(3);
	errorSum.Fill(0.0);
	
	TPZBlock<REAL> *flux = 0;
	int elcounter=0;
	int numel = Mesh()->ElementVec().NElements();
	fElErrors.Resize(numel);
	fElIndexes.Resize(numel);
	Mesh()->ElementSolution().Redim(numel,1);
	//soma de erros sobre os elementos
	int el;
	for(el=0;el< numel;el++) {
		TPZCompEl *elptr = Mesh()->ElementVec()[el];
		if(elptr && !(elptr->Material()->Id() < 0)) {
			elptr->EvaluateError(fExact,elerror, flux);
			int nerrors = elerror.NElements();
			errorSum.Resize(nerrors, 0.);
			for(int ii = 0; ii < nerrors; ii++)
				errorSum[ii] += elerror[ii]*elerror[ii];
			
			fElErrors[elcounter] = elerror[0];
			(Mesh()->ElementSolution())(el,0) = elerror[0];
			fElIndexes[elcounter++] = el;
		} else {
			(Mesh()->ElementSolution())(el,0) = 0.;
		}
	}
	fElErrors.Resize(elcounter);
	fElIndexes.Resize(elcounter);
	fTotalError = sqrt(errorSum[0]);
	Mesh()->EvaluateError(NullFunction,elerror);
	//   fAdmissibleError = CurrentEtaAdmissible*sqrt(true_error*true_error + fTotalError*fTotalError) / sqrt(1.*elcounter);
	//<!>pra compilar
	//Code isn�t place to chat
	//#warning Phil, ver isso urgente. Tiago
	fAdmissibleError = CurrentEtaAdmissible*sqrt(elerror[0]*elerror[0] + fTotalError*fTotalError) / sqrt(1.*elcounter);
}
Exemple #3
0
void TPZAnalysisError::EvaluateError(REAL CurrentEtaAdmissible, bool store_error, std::ostream &out) {
	//Code isn�t place to chat
	//#warning Philippe, tambem nao entendo aqui //<!>
	
	TPZManVector<REAL,3> elerror(3);
	elerror.Fill(0.);
	TPZManVector<REAL,3> errorSum(3);
	errorSum.Fill(0.0);
	
	TPZBlock<REAL> *flux = 0;
	int64_t elcounter=0;
	int64_t numel = Mesh()->ElementVec().NElements();
	fElErrors.Resize(numel);
	fElIndexes.Resize(numel);
	Mesh()->ElementSolution().Redim(numel,1);
	// Sum of the errors over all computational elements
	int64_t el;
	for(el=0;el< numel;el++) {
		TPZCompEl *elptr = Mesh()->ElementVec()[el];
		if(elptr && !(elptr->Material()->Id() < 0)) {
			elptr->EvaluateError(fExact,elerror, flux);
			int nerrors = elerror.NElements();
			errorSum.Resize(nerrors, 0.);
			for(int ii = 0; ii < nerrors; ii++)
				errorSum[ii] += elerror[ii]*elerror[ii];
			
			fElErrors[elcounter] = elerror[0];
			(Mesh()->ElementSolution())(el,0) = elerror[0];
			fElIndexes[elcounter++] = el;
		} else {
			(Mesh()->ElementSolution())(el,0) = 0.;
		}
	}
	fElErrors.Resize(elcounter);
	fElIndexes.Resize(elcounter);
	fTotalError = sqrt(errorSum[0]);
//    void NullFunction(TPZVec<REAL> &point,TPZVec<STATE>&val,TPZFMatrix<STATE> &deriv);

    std::function<void(const TPZVec<REAL> &,TPZVec<STATE>&,TPZFMatrix<STATE> &)> func(NullFunction);
	Mesh()->EvaluateError(func,store_error, elerror);
	fAdmissibleError = CurrentEtaAdmissible*sqrt(elerror[0]*elerror[0] + fTotalError*fTotalError) / sqrt(1.*elcounter);
}
Exemple #4
0
void TPZAnalysis::PostProcess(TPZVec<REAL> &, std::ostream &out ){
	
	int i, neq = fCompMesh->NEquations();
	TPZVec<REAL> ux((int) neq);
	TPZVec<REAL> sigx((int) neq);
	TPZManVector<REAL,10> values(10,0.);
	TPZManVector<REAL,10> values2(10,0.);
	fCompMesh->LoadSolution(fSolution);
	//	SetExact(&Exact);
	TPZAdmChunkVector<TPZCompEl *> elvec = fCompMesh->ElementVec();
	TPZManVector<REAL,10> errors(10);
	errors.Fill(0.0);
	int nel = elvec.NElements();
	int matId0;
	for(i=0;i<nel;i++) {
		matId0=elvec[i]->Material()->Id();
		if(matId0 > 0)
			break;
	}
	bool lastEl=false;
	for(i=0;i<nel;i++) {
		TPZCompEl *el = (TPZCompEl *) elvec[i];
		if(el) {
			errors.Fill(0.0);
			el->EvaluateError(fExact, errors, 0);
			if(matId0==el->Material()->Id()){
				for(int ier = 0; ier < errors.NElements(); ier++) 	values[ier] += errors[ier] * errors[ier];
				lastEl=false;
			}
			else{
				for(int ier = 0; ier < errors.NElements(); ier++)	values2[ier] += errors[ier] * errors[ier];
				lastEl=true;
			}
		}
		
	}
	int nerrors = errors.NElements();
	
	if (nerrors==4) {
		if(lastEl){
			out << endl << "############" << endl;
			out << endl << "L2 Norm for pressure  = "  << sqrt(values2[0]) << endl;
			out << endl << "L2 Norm for flux = "    << sqrt(values2[1]) << endl;
			out << endl << "L2 Norm for divergence = "    << sqrt(values2[2])  <<endl;
			out << endl << "Hdiv Norm for flux = "    << sqrt(values2[3])  <<endl;

			out << endl << "############" << endl;
			out << endl << "true_error (Norma H1) = "  << sqrt(values[0]) << endl;
			out << endl << "L2_error (Norma L2) = "    << sqrt(values[1]) << endl;
			out << endl << "estimate (Semi-norma H1) = "    << sqrt(values[2])  <<endl;
			
		}
		else{
			out << endl << "############" << endl;
			out << endl << "L2 Norm for pressure  = "  << sqrt(values[0]) << endl;
			out << endl << "L2 Norm for flux = "    << sqrt(values[1]) << endl;
			out << endl << "L2 Norm for divergence = "    << sqrt(values[2])  <<endl;
			out << endl << "Hdiv Norm for flux = "    << sqrt(values[3])  <<endl;
			
			out << endl << "############" << endl;
			out << endl << "true_error (Norma H1) = "  << sqrt(values2[0]) << endl;
			out << endl << "L2_error (Norma L2) = "    << sqrt(values2[1]) << endl;
			out << endl << "estimate (Semi-norma H1) = "    << sqrt(values2[2])  <<endl;
		}
	}
	else {
		if(lastEl){
			out << endl << "############" << endl;
			out << endl << "L2 Norm for pressure  = "  << sqrt(values[0]) << endl;
			out << endl << "L2 Norm for flux = "    << sqrt(values[1]) << endl;
			out << endl << "L2 Norm for divergence = "    << sqrt(values[2])  <<endl;
			out << endl << "Hdiv Norm for flux = "    << sqrt(values[3])  <<endl;
			
			out << endl << "############" << endl;
			out << endl << "true_error (Norma H1) = "  << sqrt(values2[0]) << endl;
			out << endl << "L2_error (Norma L2) = "    << sqrt(values2[1]) << endl;
			out << endl << "estimate (Semi-norma H1) = "    << sqrt(values2[2])  <<endl;
			
		}
		else{
			out << endl << "############" << endl;
			out << endl << "L2 Norm for pressure  = "  << sqrt(values2[0]) << endl;
			out << endl << "L2 Norm for flux = "    << sqrt(values2[1]) << endl;
			out << endl << "L2 Norm for divergence = "    << sqrt(values2[2])  <<endl;
			out << endl << "Hdiv Norm for flux = "    << sqrt(values2[3])  <<endl;
			
			out << endl << "############" << endl;
			out << endl << "true_error (Norma H1) = "  << sqrt(values[0]) << endl;
			out << endl << "L2_error (Norma L2) = "    << sqrt(values[1]) << endl;
			out << endl << "estimate (Semi-norma H1) = "    << sqrt(values[2])  <<endl;
		}
	}
	return;
}