shells/driverCC/NewmarkFunctor.h

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// -*- C++ -*- 
//
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
//                                   Fehmi Cirak
//                        California Institute of Technology
//                           (C) 2004 All Rights Reserved
//
// <LicenseText>
//
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
//
#ifndef NEWMARKFUNCTOR_H
#define NEWMARKFUNCTOR_H
#include "../fem/definitions.h"

#include <functional>


namespace shells {
    class NewmarkPredictFunctor;
    class NewmarkCorrectFunctor;  
    struct SVertexS;
} 


class shells::NewmarkPredictFunctor : 
    public std::unary_function<shells::SVertexS *, void > {
public:
    NewmarkPredictFunctor(const double& timeStep, const double& gamma=0.5);
    ~NewmarkPredictFunctor(){}

    void operator()(shells::SVertexS * const vtx);
    
private:
    double     _timeStep;
    double     _coef1;
    double     _coef2;
};



class shells::NewmarkCorrectFunctor : 
    public std::unary_function<shells::SVertexS *, void > {
public:
    NewmarkCorrectFunctor(const double& timeStep, 
                          const double& gamma=0.5, 
                          const double& damping=0.0);
    ~NewmarkCorrectFunctor(){}

    void operator()(shells::SVertexS * const vtx);
    
private:
    double     _coef1;
    double     _damping;
};

#endif

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