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material_orthotropic_damage.hh
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			/**
			* @file material_orthotropic_damage.hh
			* @author Aurelia Cuba Ramos <aurelia.cubaramos@epfl.ch>
			* @date Sun Mar 8 12:49:56 2015
			*
			* @brief Material for orthotropic damage
			*
			* @section LICENSE
			*
			* Copyright (©) 2010-2011 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.hh"
			/* -------------------------------------------------------------------------- */

			#ifndef __AKANTU_MATERIAL_ORTHOTROPIC_DAMAGE_HH__
			#define __AKANTU_MATERIAL_ORTHOTROPIC_DAMAGE_HH__

			__BEGIN_AKANTU__
			template<UInt spatial_dimension, template<UInt> class Parent = MaterialElastic>
			class MaterialOrthotropicDamage : public Parent<spatial_dimension> {
			/* ------------------------------------------------------------------------ */
			/* Constructors/Destructors */
			/* ------------------------------------------------------------------------ */
			public:

			MaterialOrthotropicDamage(SolidMechanicsModel & model, const ID & id = "");

			virtual ~MaterialOrthotropicDamage() {};

			/* ------------------------------------------------------------------------ */
			/* Methods */
			/* ------------------------------------------------------------------------ */
			public:

			virtual void initMaterial();

			/// compute the tangent stiffness matrix for an element type
			virtual void computeTangentModuli(const ElementType & el_type,
			Array<Real> & tangent_matrix,
			GhostType ghost_type = _not_ghost);

			protected:
			/// update the dissipated energy, must be called after the stress have been computed
			virtual void updateEnergies(ElementType el_type, GhostType ghost_type);

			/// compute the tangent stiffness matrix for a given quadrature point
			inline void computeTangentModuliOnQuad(Matrix<Real> & tangent,
			const Matrix<Real> C,
			const Matrix<Real> & dam,
			const Matrix<Real> & dam_directions,
			Matrix<Real> & O_prime,
			Matrix<Real> & S_prime,
			Matrix<Real> & O,
			Matrix<Real> & S,
			Matrix<Real> & rotation_tmp);

			inline void computeDamageAndStressOnQuad(Matrix<Real> & sigma, Matrix<Real> & one_minus_D, Matrix<Real> & root_one_minus_D, Matrix<Real> & damage, Matrix<Real> & first_term, Matrix<Real> & third_term);

			/// rotate a Matrix of size dim*dim into the coordinate system of the FE computation
			inline void rotateIntoComputationFrame(const Matrix<Real> & to_rotate,
			Matrix<Real> & rotated,
			const Matrix<Real> & damage_directions, Matrix<Real> & rotation_tmp);

			/// rotate a Matrix of size dim*dim into the coordinate system of the damage
			inline void rotateIntoNewFrame(const Matrix<Real> & to_rotate,
			Matrix<Real> & rotated,
			const Matrix<Real> & damage_directions,
			Matrix<Real> & rotation_tmp);

			/// compute (1-D)
			inline void computeOneMinusD(Matrix<Real> & one_minus_D, const Matrix<Real> & damage);

			/// compute (1-D)^(1/2)
			inline void computeSqrtOneMinusD(const Matrix<Real> & one_minus_D, Matrix<Real> & sqrt_one_minus_D);

			/* ------------------------------------------------------------------------ */
			/* DataAccessor inherited members */
			/* ------------------------------------------------------------------------ */
			public:

			/* ------------------------------------------------------------------------ */
			/* Accessors */
			/* ------------------------------------------------------------------------ */
			public:
			/// give the dissipated energy for the time step
			Real getDissipatedEnergy() const;

			// virtual Real getEnergy(std::string type);
			// virtual Real getEnergy(std::string energy_id, ElementType type, UInt index) {
			// return Parent<spatial_dimension>::getEnergy(energy_id, type, index);
			// };

			AKANTU_GET_MACRO_NOT_CONST(Damage, damage, ElementTypeMapArray<Real> &);
			AKANTU_GET_MACRO(Damage, damage, const ElementTypeMapArray<Real> &);
			AKANTU_GET_MACRO_BY_ELEMENT_TYPE_CONST(Damage, damage, Real)

			/* ------------------------------------------------------------------------ */
			/* Class Members */
			/* ------------------------------------------------------------------------ */
			protected:
			/// damage internal variable
			InternalField<Real> damage;

			/// dissipated energy
			InternalField<Real> dissipated_energy;

			/// contain the current value of @f$ \int_0^{\epsilon}\sigma(\omega)d\omega @f$ the dissipated energy
			InternalField<Real> int_sigma;

			/// direction vectors for the damage frame
			InternalField<Real> damage_dir_vecs;

			Real eta;

			/// maximum damage value
			Real max_damage;


			};

			__END_AKANTU__

			#include "material_orthotropic_damage_tmpl.hh"

			#endif /* __AKANTU_MATERIAL_ORTHOTROPIC_DAMAGE_HH__ */

rAKA/src/material_damage/material_orthotropic_damage.hh59c892f82354releases/10.1007/s40571…

material_orthotropic_damage.hhView Options

rAKA/src/material_damage/material_orthotropic_damage.hh
59c892f82354releases/10.1007/s40571…

material_orthotropic_damage.hh
View Options