shells/materials/linearElastic/LinearElasticPStress.h

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/* -*- C++ -*- */
/*
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 *
 *                                   Fehmi Cirak
 *                        California Institute of Technology
 *                           (C) 2005 All Rights Reserved
 *
 * <LicenseText>
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
*/
#ifndef LINEARELASTICPSTRESS_H
#define LINEARELASTICPSTRESS_H

#include "MaterialBase.h"


namespace shells {

class LinearElasticPStress : public MaterialBase {
private:
    LinearElasticPStress(); // use createMaterial instead

public:
    ~LinearElasticPStress();
    
    void updateStress(double * const stress, 
                      double const * const gstrain, 
                      double const dtime = 0.0,
                      double * const internal=NULL,
                      double const * const gstrainPrv=NULL);     

    double density();    
    double estimatedElasticityConst();
    void initialization(double * history);

    static MaterialBase * createMaterial() {
        return new LinearElasticPStress();
    }

private:
    static const int _numberInternalVariables = 0;

    double     _youngModulus;
    double     _poissonRatio;
    double     _massDensity;
};

}

// inlined functions
inline double shells::LinearElasticPStress::density()
{
    return _massDensity;
}

inline double shells::LinearElasticPStress::estimatedElasticityConst()
{
    return _youngModulus;
}

inline void shells::LinearElasticPStress::initialization(double * history) 
{
    return;
}

#endif // LINEARELASTICPSTRESS_H

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