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tamaas/tests/test_patch_westergaard.py
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test_patch_westergaard.py
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#!/usr/bin/env python
# coding: utf-8
# -----------------------------------------------------------------------------
# @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/>.
# -----------------------------------------------------------------------------
from __future__ import division, print_function
from numpy.linalg import norm
def test_patch_westergaard(patch_westergaard):
model = patch_westergaard.model
solution = patch_westergaard.solution
pressure = patch_westergaard.pressure
model.getTraction()[...] = pressure[...]
model.solveNeumann()
output_displ = model.getDisplacement()
error = norm(solution - output_displ) / norm(solution)
assert error < 1e-15 and norm(solution) > 1e-15, \
"Neumann error = {}".format(error)
output_displ[:, :] = solution[:, :]
model.solveDirichlet()
error = norm(pressure - model.getTraction()) / norm(pressure)
assert error < 1e-15, "Dirichlet error = {}".format(error)
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