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Sun, Nov 24, 17:33

material_FE2.hh
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/**
* @file material_FE2.hh
*
* @author Aurelia Isabel Cuba Ramos <aurelia.cubaramos@epfl.ch>
*
*
* @brief Material for multi-scale simulations. It stores an
* underlying RVE on each integration point of the material.
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014 EPFL (Ecole Polytechnique Fédérale de Lausanne)
* Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "material.hh"
#include "solid_mechanics_model_RVE.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MATERIAL_FE_2_HH__
#define __AKANTU_MATERIAL_FE_2_HH__
__BEGIN_AKANTU__
/* -------------------------------------------------------------------------- */
/// /!\ This material works ONLY for meshes with a single element type!!!!!
/* -------------------------------------------------------------------------- */
/**
* MaterialFE2
*
* parameters in the material files :
* - mesh_file
*/
template<UInt DIM>
class MaterialFE2 : public virtual Material {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MaterialFE2(SolidMechanicsModel & model, const ID & id = "");
virtual ~MaterialFE2();
typedef VoigtHelper<DIM> voigt_h;
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
virtual void initMaterial();
/// constitutive law for all element of a type
virtual void computeStress(ElementType el_type, GhostType ghost_type = _not_ghost);
/// compute the tangent stiffness matrix for an element type
void computeTangentModuli(const ElementType & el_type,
Array<Real> & tangent_matrix,
GhostType ghost_type = _not_ghost);
/// advance alkali-silica reaction
void advanceASR(const Matrix<Real> & prestrain);
private:
void initialize();
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// Underlying RVE at each integration point
std::vector<SolidMechanicsModelRVE *> RVEs;
/// the element type of the associated mesh (this material handles only one type!!)
ElementType el_type;
/// the name of RVE mesh file
ID mesh_file;
/// Elastic stiffness tensor at each Gauss point (in voigt notation)
InternalField<Real> C;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "material_FE2_inline_impl.cc"
__END_AKANTU__
#endif /* __AKANTU_MATERIAL_FE_2_HH__ */

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