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material_von_mises_mazars.hh
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Fri, Sep 6, 01:01

material_von_mises_mazars.hh
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/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "aka_voigthelper.hh"
#include "material_linear_isotropic_hardening.hh"
#include "material_damage.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MATERIAL_VONMISES_MAZARS_HH__
#define __AKANTU_MATERIAL_VONMISES_MAZARS_HH__
namespace akantu {
template <UInt spatial_dimension,
template <UInt> class Parent = MaterialLinearIsotropicHardening>
class MaterialVonMisesMazars
: public MaterialDamage<spatial_dimension, Parent> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MaterialVonMisesMazars(SolidMechanicsModel & model,
const ID & id = "");
MaterialVonMisesMazars(SolidMechanicsModel & model, UInt dim,
const Mesh & mesh, FEEngine & fe_engine,
const ID & id = "");
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
/// constitutive law for all element of a type
void computeStress(ElementType el_type,
GhostType ghost_type = _not_ghost) override;
protected:
/// constitutive law for a given quadrature point
inline void computeStressOnQuad(const Matrix<Real> & grad_u,
Matrix<Real> & sigma, Real & damage,
Real & Ehat);
inline void computeDamageAndStressOnQuad(const Matrix<Real> & grad_u,
Matrix<Real> & sigma, Real & damage,
Real & Ehat);
inline void computeDamageOnQuad(const Real & epsilon_equ,
const Matrix<Real> & sigma,
const Vector<Real> & epsilon_princ,
Real & dam);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// damage threshold
RandomInternalField<Real> K0;
/// parameter damage traction 1
Real At;
/// parameter damage traction 2
Real Bt;
/// parameter damage compression 1
Real Ac;
/// parameter damage compression 2
Real Bc;
/// parameter for shear
Real beta;
/// specify the variable to average false = ehat, true = damage (only valid
/// for non local version)
bool damage_in_compute_stress;
};
} // namespace akantu
#include "material_von_mises_mazars_inline_impl.hh"
#endif /* __AKANTU_MATERIAL_VONMISES_MAZARS_HH__ */

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