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rAKA/src/model/solid_mechanics/contact/contact_search_explicit_inline_impl.cc
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contact_search_explicit_inline_impl.cc
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/**
* @file contact_search_explicit_inline_impl.cc
*
* @author David Simon Kammer <david.kammer@epfl.ch>
*
* @date Thu Dec 02 15:30:07 2010
*
* @brief Implementation of inline functions of the explicit 3d contact search algorithm
*
* @section LICENSE
*
* 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/>.
*
*/
/* -------------------------------------------------------------------------- */
inline Real ContactSearchExplicit::computeSquareDistanceBetweenNodes(const UInt node_1, const UInt node_2) {
AKANTU_DEBUG_IN();
Real square_distance = 0.0;
/// get the spatial dimension and current position of nodes
//UInt spatial_dimension = contact.getModel().getSpatialDimension();
Real * current_position = contact.getModel().getCurrentPosition().storage();
/// compute the square distance between the nodes
for(UInt dim = 0; dim < spatial_dimension; ++dim) {
Real tmp_value = current_position[node_1 * spatial_dimension + dim]
- current_position[node_2 * spatial_dimension + dim];
square_distance += tmp_value * tmp_value;
}
AKANTU_DEBUG_OUT();
return square_distance;
}
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