material_orthotropic_damage.hh
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Created: Wed, May 1, 01:14

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
	*
	*
	* 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_

	namespace 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:
	void initMaterial() override;

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

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

	/// 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;
	};

	} // namespace akantu

	#include "material_orthotropic_damage_tmpl.hh"

	#endif /* AKANTU_MATERIAL_ORTHOTROPIC_DAMAGE_HH_ */

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