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rAKA/extra_packages/asr-tools/src/material_FE2/material_FE2.hh
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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 "material.hh"
#include "material_thermal.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MATERIAL_FE_2_HH__
#define __AKANTU_MATERIAL_FE_2_HH__
namespace akantu {
class SolidMechanicsModelRVE;
}
namespace 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 MaterialThermal<DIM> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
private:
typedef MaterialThermal<DIM> Parent;
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);
/// gel strain inrease linear with time, exponential with temperature
void computeNewGelStrain(Matrix<Real> & gelstrain, const Real & delta_time,
const Real & temp);
/// assymptotic gel strain - time curve
void computeNewGelStrainTimeDependent(Matrix<Real> & gelstrain,
const Real & delta_time, const Real & T,
Real & non_reacted_gel);
/// advance alkali-silica reaction by the user-provided gel strain
void advanceASR(const Matrix<Real> & prestrain);
/// advance alkali-silica reaction based on delta time and temperature-
/// dependent reaction rate
void advanceASR(const Real & delta_time);
/// compute amount of gel strain averaged across all RVEs
Real computeAverageGelStrain();
/// set default dumper directory to all rves
void setDirectoryToRveDumper(const std::string & directory);
/// compute number of RVEs
UInt getNbRVEs();
/// dump all the rves
void dump();
/// increase gel strain according to time step
void increaseGelStrain(Real & dt);
/// update damage ratio after converged step
virtual void afterSolveStep();
private:
void initialize();
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// Underlying RVE at each integration point
std::vector<std::unique_ptr<SolidMechanicsModelRVE>> RVEs;
/// Meshes for all RVEs
std::vector<std::unique_ptr<Mesh>> meshes;
/// 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;
/// number of gel pockets in each underlying RVE
UInt nb_gel_pockets;
/// pre-exponential factor of Arrhenius law
Real k;
/// activation energy of ASR in Arrhenius law
Real activ_energy;
/// universal gas constant;
Real R;
/// saturation constant for time dependent gel strain increase
Real sat_const;
/// current gelstrain due to ASR at each Gauss point
InternalField<Real> gelstrain;
/// percent of yet non-reacted gel (for time-dependent asr simulation)
InternalField<Real> non_reacted_gel;
InternalField<Real> damage_ratio;
/// Macro eigen stress incrementally summed from homogenized meso-scale
InternalField<Real> eigen_stress;
};
/* -------------------------------------------------------------------------- */
/* inline functions */
/* -------------------------------------------------------------------------- */
#include "material_FE2_inline_impl.cc"
} // namespace akantu
#endif /* __AKANTU_MATERIAL_FE_2_HH__ */
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