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material_selector.hh
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Tue, Nov 5, 05:13

material_selector.hh
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/**
* @file material_selector.hh
*
* @author Nicolas Richart <nicolas.richart@epfl.ch>
*
* @date creation: Wed Nov 13 2013
* @date last modification: Thu Jun 05 2014
*
* @brief class describing how to choose a material for a given element
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "aka_common.hh"
#include "mesh.hh"
#ifndef __AKANTU_MATERIAL_SELECTOR_HH__
#define __AKANTU_MATERIAL_SELECTOR_HH__
__BEGIN_AKANTU__
class SolidMechanicsModel;
/* -------------------------------------------------------------------------- */
class MaterialSelector {
public:
MaterialSelector() : fallback_value(0) {}
virtual ~MaterialSelector() {}
virtual UInt operator()(const Element & element) {
return fallback_value;
}
void setFallback(UInt f) { fallback_value = f; }
protected:
UInt fallback_value;
};
/* -------------------------------------------------------------------------- */
class DefaultMaterialSelector : public MaterialSelector {
public:
DefaultMaterialSelector(const ElementTypeMapArray<UInt> & element_index_by_material) :
element_index_by_material(element_index_by_material) { }
UInt operator()(const Element & element) {
try {
DebugLevel dbl = debug::getDebugLevel();
debug::setDebugLevel(dblError);
const Array<UInt> & el_by_mat = element_index_by_material(element.type, element.ghost_type);
UInt mat = this->fallback_value;
if(element.element < el_by_mat.getSize())
mat = el_by_mat(element.element, 0);
debug::setDebugLevel(dbl);
return mat;
} catch (...) {
return MaterialSelector::operator()(element);
}
}
private:
const ElementTypeMapArray<UInt> & element_index_by_material;
};
/* -------------------------------------------------------------------------- */
template<typename T>
class MeshDataMaterialSelector : public MaterialSelector {
public:
MeshDataMaterialSelector(const std::string & name, const SolidMechanicsModel & model) : mesh_data(name), model(model) { }
UInt operator() (const Element & element) {
return 0;
}
private:
std::string mesh_data;
const SolidMechanicsModel & model;
};
__END_AKANTU__
#endif /* __AKANTU_MATERIAL_SELECTOR_HH__ */

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