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tamaas/examples/rough_surface.cc
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rough_surface.cc
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/**
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016 EPFL (Ecole Polytechnique Fédérale de
* Lausanne) Laboratory (LSMS - Laboratoire de Simulation en Mécanique des
* Solides)
*
* Tamaas 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.
*
* Tamaas 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 Tamaas. If not, see <http://www.gnu.org/licenses/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "tamaas.hh"
#include "isopowerlaw.hh"
#include "surface_generator_filter.hh"
#include "polonsky_keer_rey.hh"
#include "model_factory.hh"
/* -------------------------------------------------------------------------- */
using namespace tamaas;
int main(int argc, char * argv[]) {
/// Surface parameters
UInt grid_size = 512;
const UInt k0 = 4, k1 = 4, k2 = 32;
const Real hurst = 0.8;
const Real rms = 0.1;
/// Initialize Tamaas
initialize();
/// Surface generation (2D)
SurfaceGeneratorFilter<2> sg;
sg.setSizes({grid_size, grid_size});
sg.setRandomSeed(0);
Isopowerlaw<2> iso;
iso.setQ0(k0);
iso.setQ1(k1);
iso.setQ2(k2);
iso.setHurst(hurst);
sg.setFilter(&iso);
std::cout << "Building rough surface with properties\n"
<< " Q0 = " << k0 << '\n'
<< " Q1 = " << k1 << '\n'
<< " Q2 = " << k2 << '\n'
<< " Hurst = " << hurst << '\n'
<< " size = " << grid_size << "x" << grid_size << std::endl;
/// Making surface
GridBase<Real> & grid = sg.buildSurface();
std::cout << "Creating model" << std::endl;
/// Model initialization
Model* model = ModelFactory::createModel(model_type::basic_2d, {1., 1.},
{grid_size, grid_size});
Real load = 0.1;
Real precision = 1e-12;
std::cout << "Solving contact problem" << std::endl;
/// Solve normal contact problem
PolonskyKeerRey solver{*model, grid, precision, PolonskyKeerRey::pressure,
PolonskyKeerRey::pressure};
solver.solve(load);
std::cout << "Finished" << std::endl;
/// Cleanup Tamaas
finalize();
return EXIT_SUCCESS;
}
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