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search.hh
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/**
* @file search.hh
*
* @author Alejandro M. Aragón <alejandro.aragon@epfl.ch>
*
* @date creation: Fri Jan 04 2013
* @date last modification: Mon Sep 15 2014
*
* @brief global contact search
*
* @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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef __AKANTU_SEARCH_HH__
#define __AKANTU_SEARCH_HH__
#include <iostream>
#include "aka_common.hh"
#include "solid_mechanics_model.hh"
#include "aka_point.hh"
#include "aka_geometry.hh"
__BEGIN_AKANTU__
struct SearchBase {
template <class model_type>
SearchBase(model_type & model) {
}
virtual int search(const Real *) {
static bool msg = false;
if (!msg) {
std::cout << " - Warning: calling default base searcher, type any key to continue." << std::endl;
std::cin.ignore();
msg = true;
}
return -1;
}
virtual ~SearchBase()
{
}
//! Provide standard output of contact object
friend std::ostream& operator << (std::ostream & os, const SearchBase &cr) {
os << "Search base class (no search performed)" << std::endl;
return os;
}
};
template <int dim, class model_type>
class SearchTraits;
template <class model_type>
struct SearchTraits <3, model_type> {
typedef Point <3> point_type;
typedef ModelElement <model_type> element_type;
static bool check_projection(const point_type& p, model_type& model, UInt id) {
element_type m(model, _triangle_3, id);
return point_has_projection_to_triangle(p, m.template point <3>(0), m.template point <3>(1), m.template point <3>(2));
}
};
template <class model_type>
struct SearchTraits <2, model_type> {
typedef Point <2> point_type;
typedef ModelElement <model_type> element_type;
static bool check_projection(const point_type& p, model_type& model, UInt id) {
element_type m(model, _segment_2, id);
return has_projection(p, m.template point <2>(0), m.template point <2>(1));
}
};
template <int dim>
struct MasterAssignator : public SearchBase {
typedef Point <dim> point_type;
typedef SolidMechanicsModel model_type;
std::list <std::string> surfaces_;
model_type &model_;
MasterAssignator(model_type & m) : SearchBase(m), surfaces_(), model_(m)
{
}
virtual int search(const Real *ptr) {
point_type p(ptr);
for (auto surface: surfaces_) {
ElementGroup &rs = model_.getMesh().getElementGroup(surface);
for (ElementGroup::type_iterator tit = rs.firstType(); tit != rs.lastType(); ++tit)
for (ElementGroup::const_element_iterator it = rs.element_begin(*tit);
it != rs.element_end(*tit); ++it)
if (SearchTraits <dim, model_type>::check_projection(p, model_, *it))
return *it;
}
return -1;
}
void searchSurface(const std::string& s) {
surfaces_.push_back(s);
}
//! Provide standard output of contact object
friend std::ostream& operator << (std::ostream & os, const MasterAssignator &s) {
os << "MasterAssignator search class. Search surfaces: ";
for (auto surface : s.surfaces_)
os << " " << surface;
os << std::endl;
return os;
}
};
__END_AKANTU__
#endif /* __AKANTU_SEARCH_HH__ */

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