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rAKA/src/model/solid_mechanics/materials/material_damage/material_marigo_inline_impl.cc
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material_marigo_inline_impl.cc
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/**
* @file material_marigo_inline_impl.cc
*
* @author Guillaume Anciaux <guillaume.anciaux@epfl.ch>
* @author Nicolas Richart <nicolas.richart@epfl.ch>
* @author Marion Estelle Chambart <marion.chambart@epfl.ch>
*
* @date creation: Thu Feb 02 2012
* @date last modification: Tue Jun 24 2014
*
* @brief Implementation of the inline functions of the material marigo
*
* @section LICENSE
*
* Copyright (©) 2014 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/>.
*
*/
/* -------------------------------------------------------------------------- */
template<UInt spatial_dimension>
inline void
MaterialMarigo<spatial_dimension>::computeStressOnQuad(Matrix<Real> & grad_u,
Matrix<Real> & sigma,
Real & dam,
Real & Y,
Real &Ydq) {
MaterialElastic<spatial_dimension>::computeStressOnQuad(grad_u, sigma);
Y = 0;
for (UInt i = 0; i < spatial_dimension; ++i) {
for (UInt j = 0; j < spatial_dimension; ++j) {
Y += sigma(i,j) * (grad_u(i, j) + grad_u(j, i))/2.;
}
}
Y *= 0.5;
if(damage_in_y) Y *= (1 - dam);
if(yc_limit) Y = std::min(Y, Yc);
if(!this->is_non_local) {
computeDamageAndStressOnQuad(sigma, dam, Y, Ydq);
}
}
/* -------------------------------------------------------------------------- */
template<UInt spatial_dimension>
inline void
MaterialMarigo<spatial_dimension>::computeDamageAndStressOnQuad(Matrix<Real> & sigma,
Real & dam,
Real & Y,
Real &Ydq) {
Real Fd = Y - Ydq - Sd * dam;
if (Fd > 0) dam = (Y - Ydq) / Sd;
dam = std::min(dam, Real(1.));
sigma *= 1-dam;
}
/* -------------------------------------------------------------------------- */
template<UInt spatial_dimension>
inline UInt MaterialMarigo<spatial_dimension>::getNbDataForElements(const Array<Element> & elements,
SynchronizationTag tag) const {
AKANTU_DEBUG_IN();
UInt size = 0;
if(tag == _gst_smm_init_mat) {
size += sizeof(Real) * this->getModel().getNbQuadraturePoints(elements);
}
size += MaterialDamage<spatial_dimension>::getNbDataForElements(elements, tag);
AKANTU_DEBUG_OUT();
return size;
}
/* -------------------------------------------------------------------------- */
template<UInt spatial_dimension>
inline void MaterialMarigo<spatial_dimension>::packElementData(CommunicationBuffer & buffer,
const Array<Element> & elements,
SynchronizationTag tag) const {
AKANTU_DEBUG_IN();
if(tag == _gst_smm_init_mat) {
this->packElementDataHelper(Yd, buffer, elements);
}
MaterialDamage<spatial_dimension>::packElementData(buffer, elements, tag);
AKANTU_DEBUG_OUT();
}
/* -------------------------------------------------------------------------- */
template<UInt spatial_dimension>
inline void MaterialMarigo<spatial_dimension>::unpackElementData(CommunicationBuffer & buffer,
const Array<Element> & elements,
SynchronizationTag tag) {
AKANTU_DEBUG_IN();
if(tag == _gst_smm_init_mat) {
this->unpackElementDataHelper(Yd, buffer, elements);
}
MaterialDamage<spatial_dimension>::unpackElementData(buffer, elements, tag);
AKANTU_DEBUG_OUT();
}
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