truss_constitutive_law.h

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// KRATOS  ___|  |                   |                   |
//       \___ \  __|  __| |   |  __| __| |   |  __| _` | |
//             | |   |    |   | (    |   |   | |   (   | |
//       _____/ \__|_|   \__,_|\___|\__|\__,_|_|  \__,_|_| MECHANICS
//
//  License:         BSD License
//                   license: StructuralMechanicsApplication/license.txt
//
//  Main authors:    Klaus B. Sautter
//
 
#pragma once
 
// System includes
 
// External includes
 
// Project includes
#include "includes/constitutive_law.h"
 
namespace Kratos
{
 
class KRATOS_API(STRUCTURAL_MECHANICS_APPLICATION) TrussConstitutiveLaw : public ConstitutiveLaw
{
public:
    typedef ProcessInfo      ProcessInfoType;
    typedef ConstitutiveLaw         BaseType;
    typedef std::size_t             SizeType;
    KRATOS_CLASS_POINTER_DEFINITION( TrussConstitutiveLaw );
 
    TrussConstitutiveLaw();
 
    ConstitutiveLaw::Pointer Clone() const override;
 
    TrussConstitutiveLaw (const TrussConstitutiveLaw& rOther);
 
 
    ~TrussConstitutiveLaw() override;
 
    void GetLawFeatures(Features& rFeatures) override;
 
    SizeType GetStrainSize() const override
    {
        return 1;
    }
 
    int Check(
        const Properties& rMaterialProperties,
        const GeometryType& rElementGeometry,
        const ProcessInfo& rCurrentProcessInfo
    ) const override;
 
    array_1d<double, 3 > & GetValue(const Variable<array_1d<double, 3 > >& rThisVariable,
        array_1d<double, 3 > & rValue) override;
 
    double& CalculateValue(ConstitutiveLaw::Parameters& rParameterValues,
        const Variable<double>& rThisVariable,double& rValue) override;
 
    Vector& CalculateValue(ConstitutiveLaw::Parameters& rParameterValues,
        const Variable<Vector>& rThisVariable,
        Vector& rValue) override;
 
    // ConstitutiveLaw::StrainVectorType& CalculateValue(ConstitutiveLaw::Parameters& rParameterValues,
    //     const Variable<StrainVectorType>& rThisVariable,
    //     ConstitutiveLaw::StrainVectorType& rValue) override;
 
    // ConstitutiveLaw::StressVectorType& CalculateValue(ConstitutiveLaw::Parameters& rParameterValues,
    //     const Variable<StressVectorType>& rThisVariable,
    //     ConstitutiveLaw::StressVectorType& rValue) override;
 
    array_1d<double, 3 > & CalculateValue(ConstitutiveLaw::Parameters& rParameterValues,
        const Variable<array_1d<double, 3 > >& rVariable,
        array_1d<double, 3 > & rValue) override;
 
    void CalculateMaterialResponsePK2(Parameters& rValues) override;
 
 
    void FinalizeMaterialResponsePK2(Parameters& rValues) override
    {
        // plasticity law needs this function, so it is called in the truss element
    };
 
    //empty because called in the element and this base class throws an error
    //if this is not overriden
 
 
    //this functions calculates the current stress based on an element given (set)
    //strain
    double CalculateStressElastic(ConstitutiveLaw::Parameters& rParameterValues);
 
protected:
 
 
 
 
 
private:
 
 
 
 
 
 
    friend class Serializer;
 
    void save(Serializer& rSerializer) const override
    {
        KRATOS_SERIALIZE_SAVE_BASE_CLASS( rSerializer, ConstitutiveLaw);
    }
 
    void load(Serializer& rSerializer) override
    {
        KRATOS_SERIALIZE_LOAD_BASE_CLASS( rSerializer, ConstitutiveLaw);
    }
 
 
}; // Class TrussConstitutiveLaw
}  // namespace Kratos.