shells/applications/cylinderElastic/excentric/ExInternalForce.h

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

#include "ImperfectThickness.h"

#include <functional>


namespace shells {
    class  ExInternalForce; 
    struct SElementS;
    struct SVertexS;
} 


class shells::ExInternalForce : 
    public std::unary_function<shells::SElementS *, void > {
    
public:
    ExInternalForce(const double& thick, const double& dtime)
        :_impfThickness(), _thick(thick), _dtime(dtime) {}
    ~ExInternalForce(){}
    
    void operator()(shells::SElementS  * const element);
    
private:
    static double     _xref[3][MAXVAL];
    static double     _xcur[3][MAXVAL];
    static double     _intelem[3][MAXVAL];          
    
    ImperfectThickness  _impfThickness;
    
    const double&     _thick;
    const double&     _dtime;
};

#endif

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