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/**
* @file material_elastic_orthotropic.hh
*
* @author Till Junge <till.junge@epfl.ch>
* @author Marco Vocialta <marco.vocialta@epfl.ch>
*
* @date creation: Fri Jun 18 2010
* @date last modification: Sun Oct 19 2014
*
* @brief Orthotropic elastic material
*
* @section LICENSE
*
* Copyright (©) 2010-2012, 2014, 2015 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Akantu 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 3 of the License, or (at your option) any
* later version.
*
* Akantu is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
* A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Akantu. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "material_elastic_linear_anisotropic.hh"
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_MATERIAL_ELASTIC_ORTHOTROPIC_HH__
#define __AKANTU_MATERIAL_ELASTIC_ORTHOTROPIC_HH__
namespace akantu {
/**
* Orthotropic elastic material
*
* parameters in the material files :
* - n1 : direction of x-axis in material base, normalisation not necessary
* (default: {1, 0, 0})
* - n2 : direction of y-axis in material base, normalisation not necessary
* (default: {0, 1, 0})
* - n3 : direction of z-axis in material base, normalisation not necessary
* (default: {0, 0, 1})
* - rho : density (default: 0)
* - E1 : Young's modulus along n1 (default: 0)
* - E2 : Young's modulus along n2 (default: 0)
* - E3 : Young's modulus along n3 (default: 0)
* - nu12 : Poisson's ratio along 12 (default: 0)
* - nu13 : Poisson's ratio along 13 (default: 0)
* - nu23 : Poisson's ratio along 23 (default: 0)
* - G12 : Shear modulus along 12 (default: 0)
* - G13 : Shear modulus along 13 (default: 0)
* - G23 : Shear modulus along 23 (default: 0)
*/
template <UInt Dim>
class MaterialElasticOrthotropic
: public MaterialElasticLinearAnisotropic<Dim> {
/* ------------------------------------------------------------------------ */
/* Constructors/Destructors */
/* ------------------------------------------------------------------------ */
public:
MaterialElasticOrthotropic(SolidMechanicsModel & model, const ID & id = "");
/* ------------------------------------------------------------------------ */
/* Methods */
/* ------------------------------------------------------------------------ */
public:
void initMaterial() override;
void updateInternalParameters() override;
/// compute the elastic potential energy
void computePotentialEnergy(ElementType el_type,
GhostType ghost_type = _not_ghost) override;
void
computePotentialEnergyByElement(ElementType type, UInt index,
Vector<Real> & epot_on_quad_points) override;
protected:
inline void computePotentialEnergyOnQuad(const Matrix<Real> & grad_u,
const Matrix<Real> & sigma,
Real & epot);
/* ------------------------------------------------------------------------ */
/* Accessors */
/* ------------------------------------------------------------------------ */
public:
AKANTU_GET_MACRO(E1, E1, Real);
AKANTU_GET_MACRO(E2, E2, Real);
AKANTU_GET_MACRO(E3, E3, Real);
AKANTU_GET_MACRO(Nu12, nu12, Real);
AKANTU_GET_MACRO(Nu13, nu13, Real);
AKANTU_GET_MACRO(Nu23, nu23, Real);
AKANTU_GET_MACRO(G12, G12, Real);
AKANTU_GET_MACRO(G13, G13, Real);
AKANTU_GET_MACRO(G23, G23, Real);
/* ------------------------------------------------------------------------ */
/* Class Members */
/* ------------------------------------------------------------------------ */
protected:
/// the n1 young modulus
Real E1;
/// the n2 young modulus
Real E2;
/// the n3 young modulus
Real E3;
/// 12 Poisson coefficient
Real nu12;
/// 13 Poisson coefficient
Real nu13;
/// 23 Poisson coefficient
Real nu23;
/// 12 shear modulus
Real G12;
/// 13 shear modulus
Real G13;
/// 23 shear modulus
Real G23;
};
} // akantu
#endif /* __AKANTU_MATERIAL_ELASTIC_ORTHOTROPIC_HH__ */
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