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locomotive_tools.cc
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locomotive_tools.cc
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/**
* @file locomotive_tools.cc
*
* @author Fabian Barras <fabian.barras@epfl.ch>
*
* @date creation: Mon Aug 17 2015
* @date last modification: Mon Jan 18 2016
*
* @brief Common functions for the dumper examples
*
*
* Copyright (©) 2015 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_array.hh"
#include "mesh.hh"
/* -------------------------------------------------------------------------- */
#include "locomotive_tools.hh"
/* -------------------------------------------------------------------------- */
using namespace akantu;
/* -------------------------------------------------------------------------- */
void applyRotation(const Vector<Real> & center, Real angle,
const Array<Real> & nodes, Array<Real> & displacement,
const Array<UInt> & node_group) {
auto nodes_it = nodes.begin(nodes.getNbComponent());
auto disp_it = displacement.begin(center.size());
Array<UInt>::const_scalar_iterator node_num_it = node_group.begin();
Array<UInt>::const_scalar_iterator node_num_end = node_group.end();
Vector<Real> pos_rel(center.size());
for (; node_num_it != node_num_end; ++node_num_it) {
const Vector<Real> pos = nodes_it[*node_num_it];
for (UInt i = 0; i < pos.size(); ++i)
pos_rel(i) = pos(i);
Vector<Real> dis = disp_it[*node_num_it];
pos_rel -= center;
Real radius = pos_rel.norm();
if (std::abs(radius) < Math::getTolerance())
continue;
Real phi_i = std::acos(pos_rel(_x) / radius);
if (pos_rel(_y) < 0)
phi_i *= -1;
dis(_x) = std::cos(phi_i - angle) * radius - pos_rel(_x);
dis(_y) = std::sin(phi_i - angle) * radius - pos_rel(_y);
}
}
/* -------------------------------------------------------------------------- */
void fillColour(const Mesh & mesh, ElementTypeMapArray<UInt> & colour) {
const ElementTypeMapArray<std::string> & phys_data =
mesh.getData<std::string>("physical_names");
const Array<std::string> & txt_colour = phys_data(_triangle_3);
Array<UInt> & id_colour = colour(_triangle_3);
for (UInt i = 0; i < txt_colour.size(); ++i) {
std::string phy_name = txt_colour(i);
if (phy_name == "red")
id_colour(i) = 3;
else if (phy_name == "white" || phy_name == "lwheel_1" ||
phy_name == "rwheel_1")
id_colour(i) = 2;
else
id_colour(i) = 1;
}
}

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