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rAKA/test/python_fe/static_solver.py
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__copyright__ = (
"Copyright (©) 2016-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)"
"Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)"
)
__license__ = "LGPLv3"
__copyright__ = (
"Copyright (©) 2016-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)"
"Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)"
)
__license__ = "LGPLv3"
__copyright__ = (
"Copyright (©) 2016-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)"
"Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)"
)
__license__ = "LGPLv3"
__copyright__ = (
"Copyright (©) 2016-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)"
"Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)"
)
__license__ = "LGPLv3"
__copyright__ = (
"Copyright (©) 2016-2023 EPFL (Ecole Polytechnique Fédérale de Lausanne)"
"Laboratory (LSMS - Laboratoire de Simulation en Mécanique des Solides)"
)
__license__ = "LGPLv3"
__copyright__ = "Copyright (©) 2016-2023 EPFL (Ecole Polytechnique Fédérale" \
" de Lausanne) Laboratory (LSMS - Laboratoire de Simulation" \
" en Mécanique des Solides)"
__license__ = "LGPLv3"
__copyright__ = "Copyright (©) 2016-2023 EPFL (Ecole Polytechnique Fédérale" \
" de Lausanne) Laboratory (LSMS - Laboratoire de Simulation" \
" en Mécanique des Solides)"
__license__ = "LGPLv3"
__copyright__ = "Copyright (©) 2016-2023 EPFL (Ecole Polytechnique Fédérale" \
" de Lausanne) Laboratory (LSMS - Laboratoire de Simulation" \
" en Mécanique des Solides)"
__license__ = "LGPLv3"
""" static_solver.py: static solver for test purposes"""
# ------------------------------------------------------------------------------
__author__ = "Nicolas Richart"
__credits__ = [
"Nicolas Richart <nicolas.richart@epfl.ch>",
]
__copyright__ = "Copyright (©) 2016-2021 EPFL (Ecole Polytechnique Fédérale" \
" de Lausanne) Laboratory (LSMS - Laboratoire de Simulation" \
" en Mécanique des Solides)"
__license__ = "LGPLv3"
# ------------------------------------------------------------------------------
import copy
import scipy.sparse.linalg as spl
from . import export
from . import fe
@export
class StaticSolver(fe.Solver):
def __init__(self, model):
self._model = model
def _assembleResidual(self):
self._r = self._model.f_ext - self._model.f_int
def _assembleJacobian(self):
self._J = copy.copy(self._model.K)
self._model.applyDirichletBC()
self._zero_rows(self._J, self._model.blocked)
def solveStep(self):
self._assembleJacobian()
self._assembleResidual()
x = spl.spsolve(self._J, self._r)
self._model.u += x
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