/Users/jack/Code/basso_dev/inc/Material.h

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#ifndef _MATERIAL_BASSO_H_
#define _MATERIAL_BASSO_H_

// std includes

// Basso includes
#include "basso.h"
#include "StressState.h"

namespace basso {


class MaterialState {

public:
        MaterialState() { fSStrainv = new nArray(3); clear(*fSStrainv); }
        virtual ~MaterialState() { delete fSStrainv; }

        nArray &Strain() { return *fSStrainv; }

protected:
        nArray *fSStrainv;  
        
};


class Material {

public:
        
        // PUBLIC DEFS
        
        // CONSTRUCTORS 
        Material() { }
        
        virtual ~Material() { }
        
        // ACCESSORS
        virtual Numeric Density(  const MaterialState sv=MaterialState() ) const = 0;
        
        // MEMBER FUNCTIONS
        virtual void ComputeStress( nArray &stress, const StressState *ssptr, const MaterialState &sv  ) = 0;
        
        virtual void ComputeStress( nMatrix &stress, const StressState *ssptr, const MaterialState &sv ) = 0;
        
        virtual void ComputeTangentStiffness( nMatrix &cmat, const StressState *ssptr, const MaterialState sv=MaterialState() ) const = 0;

protected:

};

} // end namespace

#endif

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