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tamaas/src/solvers/epic.hh
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epic.hh
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/**
* @file
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 2016-2017 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#ifndef EPIC_HH
#define EPIC_HH
/* -------------------------------------------------------------------------- */
#include "contact_solver.hh"
#include "ep_solver.hh"
#include "model.hh"
/* -------------------------------------------------------------------------- */
namespace tamaas {
/* -------------------------------------------------------------------------- */
class EPICSolver {
public:
/// Constructor
EPICSolver(ContactSolver& csolver, EPSolver& epsolver,
Real tolerance = 1e-10, Real relaxation = 0.3);
void solve(std::vector<Real> load);
Real computeError(const GridBase<Real>& current,
const GridBase<Real>& prev,
Real factor) const;
template <model_type type>
void setViews();
protected:
GridBase<Real> surface; ///< corrected surface
GridBase<Real> pressure; ///< current pressure
std::unique_ptr<GridBase<Real>> residual_disp; ///< plastic residual disp
std::unique_ptr<GridBase<Real>> pressure_inc; ///< pressure increment
ContactSolver& csolver;
EPSolver& epsolver;
Real tolerance, relaxation;
};
/* -------------------------------------------------------------------------- */
/* Template impl. */
/* -------------------------------------------------------------------------- */
template <model_type type>
void EPICSolver::setViews() {
constexpr UInt dim = model_type_traits<type>::dimension;
constexpr UInt bdim = model_type_traits<type>::boundary_dimension;
constexpr UInt comp = model_type_traits<type>::components;
pressure_inc =
std::unique_ptr<GridBase<Real>>{new GridView<Grid, Real, bdim, bdim>(
csolver.getModel().getTraction(), {}, comp - 1)};
residual_disp =
std::unique_ptr<GridBase<Real>>{new GridView<Grid, Real, dim, bdim>(
csolver.getModel().getDisplacement(),
model_type_traits<type>::indices, comp - 1)};
}
/* -------------------------------------------------------------------------- */
} // namespace tamaas
#endif // EPIC_HH
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