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tamaas/python/wrap/solvers.cpp
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solvers.cpp
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/**
* @file
*
* @author Lucas Frérot <lucas.frerot@epfl.ch>
*
* @section LICENSE
*
* Copyright (©) 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/>.
*
*/
/* -------------------------------------------------------------------------- */
#include "wrap.hh"
#include "contact_solver.hh"
#include "polonsky_keer_rey.hh"
#include "kato.hh"
#include "beck_teboulle.hh"
#include "condat.hh"
#include "polonsky_keer_tan.hh"
#include "epic.hh"
#include "ep_solver.hh"
/* -------------------------------------------------------------------------- */
__BEGIN_TAMAAS__
namespace wrap {
/* -------------------------------------------------------------------------- */
using namespace py::literals;
class PyEPSolver : public EPSolver {
public:
using EPSolver::EPSolver;
void solve() override {
PYBIND11_OVERLOAD_PURE(void, EPSolver, solve);
}
};
/* -------------------------------------------------------------------------- */
void wrapSolvers(py::module& mod) {
py::class_<ContactSolver>(mod, "ContactSolver")
// .def(py::init<Model&, const GridBase<Real>&, Real>(), "model"_a,
// "surface"_a, "tolerance"_a)
.def("setMaxIterations", &ContactSolver::setMaxIterations, "max_iter"_a)
.def("setDumpFrequency", &ContactSolver::setDumpFrequency, "dump_freq"_a)
.def("addFunctionalTerm", &ContactSolver::addFunctionalTerm)
.def("solve", py::overload_cast<std::vector<Real>>(&ContactSolver::solve),
"target_force"_a)
.def("solve", py::overload_cast<Real>(&ContactSolver::solve),
"target_normal_pressure"_a);
py::class_<PolonskyKeerRey, ContactSolver> pkr(mod, "PolonskyKeerRey");
pkr.def(py::init<Model&, const GridBase<Real>&, Real, PolonskyKeerRey::type,
PolonskyKeerRey::type>(),
"model"_a, "surface"_a, "tolerance"_a, "primal_type"_a,
"constraint_type"_a, py::keep_alive<1, 2>(), py::keep_alive<1, 3>())
.def("computeError", &PolonskyKeerRey::computeError);
py::enum_<PolonskyKeerRey::type>(pkr, "type")
.value("gap", PolonskyKeerRey::gap)
.value("pressure", PolonskyKeerRey::pressure)
.export_values();
py::class_<Kato, ContactSolver> kato(mod, "Kato");
kato.def(py::init<Model&, const GridBase<Real>&, Real, Real>(),
"model"_a, "surface"_a, "tolerance"_a, "mu"_a,
py::keep_alive<1, 2>(), py::keep_alive<1, 3>())
.def("solve", &Kato::solve, "p0"_a, "proj_iter"_a=50)
.def("solveRelaxed", &Kato::solveRelaxed, "g0"_a)
.def("solveRegularized", &Kato::solveRegularized, "p0"_a, "r"_a=0.01)
.def("computeCost", &Kato::computeCost, "use_tresca"_a=false);
py::class_<BeckTeboulle, ContactSolver> bt(mod, "BeckTeboulle");
bt.def(py::init<Model&, const GridBase<Real>&, Real, Real>(),
"model"_a, "surface"_a, "tolerance"_a, "mu"_a,
py::keep_alive<1, 2>(), py::keep_alive<1, 3>())
.def("solve", &BeckTeboulle::solve, "p0"_a)
.def("computeCost", &BeckTeboulle::computeCost);
py::class_<Condat, ContactSolver> cd(mod, "Condat");
cd.def(py::init<Model&, const GridBase<Real>&, Real, Real>(),
"model"_a, "surface"_a, "tolerance"_a, "mu"_a,
py::keep_alive<1, 2>(), py::keep_alive<1, 3>())
.def("solve", &Condat::solve, "p0"_a, "grad_step"_a=0.9)
.def("computeCost", &Condat::computeCost);
py::class_<PolonskyKeerTan, ContactSolver> pkt(mod, "PolonskyKeerTan");
pkt.def(py::init<Model&, const GridBase<Real>&, Real, Real>(),
"model"_a, "surface"_a, "tolerance"_a, "mu"_a,
py::keep_alive<1, 2>(), py::keep_alive<1, 3>())
.def("solve", &PolonskyKeerTan::solve, "p0"_a)
.def("solveTresca", &PolonskyKeerTan::solveTresca, "p0"_a)
.def("computeCost", &PolonskyKeerTan::computeCost, "use_tresca"_a=false);
py::class_<EPSolver, PyEPSolver>(mod, "EPSolver")
.def(py::init<Residual&>())
.def("solve", &EPSolver::solve)
.def("getStrainIncrement", &EPSolver::getStrainIncrement)
.def("getResidual", &EPSolver::getResidual)
.def("updateState", &EPSolver::updateState);
py::class_<EPICSolver>(mod, "EPICSolver")
.def(py::init<ContactSolver&, EPSolver&, Real>(), "contact_solver"_a,
"elasto_plastic_solver"_a, "tolerance"_a = 1e-10)
.def("solve", &EPICSolver::solve, "force"_a)
.def("solve",
[](EPICSolver& solver, Real pressure) {
return solver.solve(std::vector<Real>{pressure});
},
"normal_pressure"_a);
}
} // namespace wrap
__END_TAMAAS__
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