LinearElastic.h

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/* ---------------------------------------------------------------------
 *                                       _
 *  _ __ ___   __ _ _ __ _ __ ___   ___ | |_
 * | '_ ` _ \ / _` | '__| '_ ` _ \ / _ \| __|
 * | | | | | | (_| | |  | | | | | | (_) | |_
 * |_| |_| |_|\__,_|_|  |_| |_| |_|\___/ \__|
 *
 * Unit of Strength of Materials and Structural Analysis
 * University of Innsbruck
 * 2020 - today
 *
 * festigkeitslehre@uibk.ac.at
 *
 *
 * This file is part of the MAteRialMOdellingToolbox (marmot).
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * The full text of the license can be found in the file LICENSE.md at
 * the top level directory of marmot.
 * ---------------------------------------------------------------------
 */
 
#pragma once
#include "Marmot/MarmotMaterialHypoElastic.h"
#include "Marmot/MarmotTypedefs.h"
#include <iostream>
#include <string>
#include <vector>
 
namespace Marmot::Materials {
  class LinearElastic : public MarmotMaterialHypoElastic {
  public:
    using MarmotMaterialHypoElastic::MarmotMaterialHypoElastic;
 
    LinearElastic( const double* materialProperties, int nMaterialProperties, int materialNumber );
 
  protected:
 
    enum class Type {
      Isotropic           = 2, 
      TransverseIsotropic = 8, 
      Orthotropic = 12 
    } anisotropicType; 
 
    const double& E1;
 
 
    const double& E2;
 
 
    const double& E3;
 
 
    const double& nu12;
 
 
    const double& nu23;
 
 
    const double& nu13;
 
 
    const double G12;
 
 
    const double G23;
 
 
    const double& G13;
 
 
    Matrix6d C;
 
    void computeStress( double* stress,
                        double* dStressDDStrain,
 
                        const double* dStrain,
                        const double* timeOld,
                        const double  dT,
                        double&       pNewDT );
 
    StateView getStateView( const std::string& result ) { return { nullptr, 0 }; };
 
    int getNumberOfRequiredStateVars() { return 0; }
  };
} // namespace Marmot::Materials