NonLinElasticity_def.hpp

#ifndef NonLinElasticity_def_hpp
#define NonLinElasticity_def_hpp

 
#include "feddlib/core/FE/Domain.hpp"
#include "feddlib//core/FE/FE.hpp"
#include "feddlib/core/General/BCBuilder.hpp"
 
 
namespace FEDD {
template<class SC,class LO,class GO,class NO>
NonLinElasticity<SC,LO,GO,NO>::NonLinElasticity(const DomainConstPtr_Type  &domain, std::string FEType, ParameterListPtr_Type parameterList):
NonLinearProblem<SC,LO,GO,NO>( parameterList, domain->getComm() ),
u_rep_()
{
    this->nonLinearTolerance_ = this->parameterList_->sublist("Parameter").get("relNonLinTol",1.0e-6);
    this->initNOXParameters();
    this->addVariable( domain , FEType , "u" , domain->getDimension());
    this->dim_ = this->getDomain(0)->getDimension();
    
    C_ = this->parameterList_->sublist("Parameter").get("C",1.);
    
    double density = this->parameterList_->sublist("Parameter").get("Density",1.);
//    poissonRatio_ = this->parameterList_->sublist("Parameter").get("Poisson Ratio",0.4);
//    mue_ = this->parameterList_->sublist("Parameter").get("Mu",2.0e+6);
//    // Berechne daraus nun E (Youngsches Modul) und die erste Lamé-Konstante \lambda
//    E_ = mue_*2.*(1. + poissonRatio_);
//    lambda_ = (poissonRatio_*E_)/((1 + poissonRatio_)*(1 - 2*poissonRatio_));
    loadStepping_ =    !(parameterList->sublist("Timestepping Parameter").get("Class","Singlestep")).compare("Loadstepping");
    externalForce_ =   parameterList->sublist("Parameter").get("External Force",false);
    nonlinearExternalForce_ = parameterList->sublist("Parameter").get("Nonlinear External Force",false);
 
    timeSteppingTool_ = Teuchos::rcp(new TimeSteppingTools(sublist(this->parameterList_,"Timestepping Parameter") , this->comm_));
 
}
 
template<class SC,class LO,class GO,class NO>
NonLinElasticity<SC,LO,GO,NO>::~NonLinElasticity(){
 
}
 
template<class SC,class LO,class GO,class NO>
void NonLinElasticity<SC,LO,GO,NO>::info(){
    this->infoProblem();
    this->infoNonlinProblem();
}
    
template<class SC,class LO,class GO,class NO>
void NonLinElasticity<SC,LO,GO,NO>::assemble(std::string type) const{
    
    if (type == ""){
        if (this->verbose_)
            std::cout << "-- Assembly nonlinear elasticity ... " << std::flush;
 
        MatrixPtr_Type A(new Matrix_Type( this->getDomain(0)->getMapVecFieldUnique(), this->getDomain(0)->getDimension() * this->getDomain(0)->getApproxEntriesPerRow() ) );
        
        this->feFactory_->assemblyEmptyMatrix(A);
 
        this->system_.reset(new BlockMatrix_Type(1));
        this->system_->addBlock( A, 0, 0 );
                
        double density = this->parameterList_->sublist("Parameter").get("Density",1000.);
        std::string sourceType =    this->parameterList_->sublist("Parameter").get("Source Type","volume");
 
        this->assembleSourceTerm( 0. );
        if(sourceType == "volume")
            this->sourceTerm_->scale(density);
        
        this->addToRhs( this->sourceTerm_ );
 
        this->setBoundariesRHS();
                    
        this->solution_->putScalar(0.);
        
        u_rep_ = Teuchos::rcp(new MultiVector_Type( this->getDomain(0)->getMapVecFieldRepeated() ));
        MultiVectorConstPtr_Type u = this->solution_->getBlock(0);
        u_rep_->importFromVector(u, true);
        
        if (this->verbose_)
            std::cout << "done -- " << std::endl;
        
        this->reAssemble("Newton-Residual");
    }
    else if(type == "UpdateTime")
    {
        if(this->verbose_)
            std::cout << "-- Reassembly (UpdateTime)" << '\n';
 
        updateTime();
        return;
    }
    else
        this->reAssemble(type);
}
 
// Damit die richtige timeSteppingTool_->currentTime() genommen wird.
template<class SC,class LO,class GO,class NO>
void NonLinElasticity<SC,LO,GO,NO>::updateTime() const
{
    timeSteppingTool_->t_ = timeSteppingTool_->t_ + timeSteppingTool_->dt_prev_;
}
 
template<class SC,class LO,class GO,class NO>
void NonLinElasticity<SC,LO,GO,NO>::reAssemble(std::string type) const {
    std::string material_model = this->parameterList_->sublist("Parameter").get("Material model","Neo-Hooke");
 
    if (this->verbose_)
        std::cout << "-- Reassembly nonlinear elasticity with material model " << material_model <<" ("<<type <<") ... " << std::flush;
    
    if (type=="Newton-Residual") {
        MultiVectorConstPtr_Type u = this->solution_->getBlock(0);
        u_rep_->importFromVector(u, true);
        
        MultiVectorPtr_Type f = Teuchos::rcp( new MultiVector_Type( this->getDomain(0)->getMapVecFieldRepeated(), 1 ) );
        
        MatrixPtr_Type W = Teuchos::rcp(new Matrix_Type( this->getDomain(0)->getMapVecFieldUnique(), this->getDomain(0)->getDimension() * this->getDomain(0)->getApproxEntriesPerRow() ) );
        
    #ifdef FEDD_HAVE_ACEGENINTERFACE
        bool useInterface = this->parameterList_->sublist("Parameter").get("Use AceGen Interface", true);
        if(this->getFEType(0) =="P2" && useInterface && this->dim_==3 && material_model == "Neo-Hooke"){
            this->system_->addBlock( W, 0, 0 );  
           
            f->putScalar(0.);   
            this->residualVec_->addBlock( f, 0 ); 
 
            if(this->parameterList_->sublist("Parameter").get("SCI",false) == true || this->parameterList_->sublist("Parameter").get("FSCI",false) == true )
                this->feFactory_->assemblyAceDeformDiffuBlock(this->dim_, this->getDomain(0)->getFEType(), this->getDomain(0)->getFEType(), 2, 1,this->dim_,concentration_,u_rep_,this->system_,0,0,this->residualVec_,0, this->parameterList_, "Jacobian", true/*call fillComplete*/);
            else 
                this->feFactory_->assemblyNonLinearElasticity(this->dim_, this->getDomain(0)->getFEType(),2, this->dim_, u_rep_, this->system_, this->residualVec_, this->parameterList_,true);
            
        }
        else 
            this->feFactory_->assemblyElasticityJacobianAndStressAceFEM(this->dim_, this->getDomain(0)->getFEType(), W, f, u_rep_, this->parameterList_, C_);
    #else
        this->feFactory_->assemblyElasticityJacobianAndStressAceFEM(this->dim_, this->getDomain(0)->getFEType(), W, f, u_rep_, this->parameterList_, C_);
    #endif  
        
        MultiVectorPtr_Type fUnique = Teuchos::rcp( new MultiVector_Type( this->getDomain(0)->getMapVecFieldUnique(), 1 ) );
        fUnique->putScalar(0.);
        fUnique->exportFromVector( f, true, "Add" );
 
        this->residualVec_->addBlock( fUnique, 0 );
        this->system_->addBlock( W, 0, 0 );
 
        if(loadStepping_) 
            assembleSourceTermLoadstepping();
 
    }
    else if(type=="Newton"){ //we already assemble the new tangent when we calculate the stresses above
        
    }
    if (this->verbose_)
        std::cout << "done -- " << std::endl;
}
    
template<class SC,class LO,class GO,class NO>
void NonLinElasticity<SC,LO,GO,NO>::reAssemble( MatrixPtr_Type& massmatrix, std::string type ) const
{
    
}
 
template<class SC,class LO,class GO,class NO>
void NonLinElasticity<SC,LO,GO,NO>::reAssembleExtrapolation(BlockMultiVectorPtrArray_Type previousSolutions){
 
 
    TEUCHOS_TEST_FOR_EXCEPTION( true, std::logic_error, "Only Newton/NOX implemented for nonlinear material models!");
 
}
 
 
template<class SC,class LO,class GO,class NO>
void NonLinElasticity<SC,LO,GO,NO>::assembleSourceTermLoadstepping(double time) const
{
    double dt = timeSteppingTool_->get_dt();
    double beta = timeSteppingTool_->get_beta();
    double gamma = timeSteppingTool_->get_gamma();
    
    
    if(  loadStepping_ == true){
        // The if condition resets the rhs. If we skip it when we attemp loadstepping, the rhs will be updated continously and wrongly increase with each timestep
        this->getRhs()->scale(0.0);
    }
 
   
    if (this->hasSourceTerm())
    {
        if(externalForce_){
 
            MultiVectorPtr_Type FERhs = Teuchos::rcp(new MultiVector_Type( this->getDomain(0)->getMapVecFieldRepeated() ));
            vec_dbl_Type funcParameter(4,0.);
            funcParameter[0] = timeSteppingTool_->t_;            
            // how can we use different parameters for different blocks here?
            funcParameter[1] =this->parameterList_->sublist("Parameter").get("Volume force",0.00211);
 
            funcParameter[3] =this->parameterList_->sublist("Parameter").get("Final time force",1.0);
            funcParameter[4] =this->parameterList_->sublist("Parameter").get("dt",0.1);
 
 
            if(nonlinearExternalForce_){
                MatrixPtr_Type A( new Matrix_Type (this->system_->getBlock(0,0)));
                //A->print();
                MatrixPtr_Type AKext(new Matrix_Type( this->getDomain(0)->getMapVecFieldUnique(), this->getDomain(0)->getDimension() * this->getDomain(0)->getApproxEntriesPerRow() ) );          
                MatrixPtr_Type Kext(new Matrix_Type( this->getDomain(0)->getMapVecFieldUnique(), this->getDomain(0)->getDimension() * this->getDomain(0)->getApproxEntriesPerRow()*2 ) );          
                MultiVectorPtr_Type Kext_vec;
                this->feFactory_->assemblyNonlinearSurfaceIntegralExternal(this->dim_, this->getDomain(0)->getFEType(),FERhs, u_rep_,Kext, funcParameter, this->rhsFuncVec_[0],this->parameterList_);
               
                A->addMatrix(1.,AKext,0.);
                Kext->addMatrix(1.,AKext,1.);
 
                AKext->fillComplete(this->getDomain(0)->getMapVecFieldUnique(),this->getDomain(0)->getMapVecFieldUnique());
 
                this->system_->addBlock(AKext,0,0);
 
            }
            else            
                this->feFactory_->assemblySurfaceIntegralExternal(this->dim_, this->getDomain(0)->getFEType(),FERhs, u_rep_, funcParameter, this->rhsFuncVec_[0],this->parameterList_);
 
 
            this->sourceTerm_->getBlockNonConst(0)->exportFromVector( FERhs, false, "Add" );
        }
        else
            this->assembleSourceTerm( timeSteppingTool_->t_ );
        //this->problemTimeStructure_->getSourceTerm()->scale(density);
        // Fuege die rechte Seite der DGL (f bzw. f_{n+1}) der rechten Seite hinzu (skaliert mit coeffSourceTerm)
        // Die Skalierung mit der Dichte erfolgt schon in der Assemblierungsfunktion!
        
        // addSourceTermToRHS() aus DAESolverInTime
        double coeffSourceTermStructure = 1.0;
        BlockMultiVectorPtr_Type tmpPtr= this->sourceTerm_;
 
        this->getRhs()->update(coeffSourceTermStructure, *tmpPtr, 1.);
        this->rhs_->addBlock( this->getRhs()->getBlockNonConst(0), 0 );
 
    }
}
 
 
template<class SC,class LO,class GO,class NO>
void NonLinElasticity<SC,LO,GO,NO>::calculateNonLinResidualVec(std::string type, double time) const{
    
    this->reAssemble("Newton-Residual");
 
#ifdef FEDD_HAVE_ACEGENINTERFACE
    if(this->getFEType(0) =="P2" && this->parameterList_->sublist("Parameter").get("Use AceGen Interface", true)){
        if(this->parameterList_->sublist("Parameter").get("SCI",false) == true || this->parameterList_->sublist("Parameter").get("FSCI",false) == true ){
            this->feFactory_->assemblyAceDeformDiffuBlock(this->dim_, this->getDomain(0)->getFEType(), this->getDomain(0)->getFEType(), 2, 1,this->dim_,concentration_,u_rep_,this->system_,0,0,this->residualVec_,0, this->parameterList_, "Rhs", true/*call fillComplete*/);
        }            
    }
 #endif
    if(this->parameterList_->sublist("Parameter").get("SCI",false) == false && this->parameterList_->sublist("Parameter").get("FSCI",false) == false ){
 
        if (!type.compare("standard")){
            this->residualVec_->update(-1.,*this->rhs_,1.);
            //if ( !this->sourceTerm_.is_null() )
            //    this->residualVec_->update(-1.,*this->sourceTerm_,1.);
        }
        else if(!type.compare("reverse")){
            this->residualVec_->update(1.,*this->rhs_,-1.); // this = -1*this + 1*rhs
            //if ( !this->sourceTerm_.is_null() )
            //    this->residualVec_->update(1.,*this->sourceTerm_,1.);
        }
        else{
            TEUCHOS_TEST_FOR_EXCEPTION(true, std::runtime_error, "Unknown type for residual computation.");
        }
        
        // this might be set again by the TimeProblem after adding of M*u
        this->bcFactory_->setBCMinusVector( this->residualVec_, this->solution_, time );
    }
}
}
#endif