pznonlinanalysis.h

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#ifndef NONLINANALYSISH
#define NONLINANALYSISH

#include "pzanalysis.h"
#include "pzcompel.h"
#include "pzfmatrix.h"
#include "pzvec.h"
#include "pzcmesh.h"
#include <iostream>

class TPZNonLinearAnalysis : public TPZAnalysis {
                
public:
                TPZNonLinearAnalysis(TPZCompMesh *mesh,std::ostream &out);
                TPZNonLinearAnalysis();
                virtual ~TPZNonLinearAnalysis();
                
                virtual void IterativeProcess(std::ostream &out,REAL tol,int numiter, bool linesearch = false, bool checkconv = false);

                REAL LineSearch(const TPZFMatrix<STATE> &Wn, TPZFMatrix<STATE> DeltaW, TPZFMatrix<STATE> &NextW, REAL tol, int niter);
                REAL SolutionNorm();
                
                virtual void ComputeTangent(TPZFMatrix<STATE> &tangent, TPZVec<REAL> &coefs, int icase);
                int NumCases();
                
                virtual void Residual(TPZFMatrix<STATE> &residual, int icase);
                
                virtual void LoadSolution();
                
                virtual void LoadSolution(const TPZFMatrix<STATE> &state);
                
                void LoadState(TPZFMatrix<STATE> &state);
                
};

#endif