def set_equations(self, conf_equations=None, user=None,
keep_solvers=False, make_virtual=False):
"""
Set equations of the problem using the `equations` problem
description entry.
Fields and Regions have to be already set.
"""
conf_equations = get_default(conf_equations,
self.conf.get_default_attr('equations',
None))
self.set_variables()
variables = Variables.from_conf(self.conf_variables, self.fields)
self.set_materials()
materials = Materials.from_conf(self.conf_materials, self.functions)
self.integrals = self.get_integrals()
equations = Equations.from_conf(conf_equations, variables,
self.domain.regions,
materials, self.integrals,
user=user,
make_virtual=make_virtual)
self.equations = equations
if not keep_solvers:
self.solvers = None
def set_equations(self, conf_equations=None, user=None,
keep_solvers=False, make_virtual=False):
"""
Set equations of the problem using the `equations` problem
description entry.
Fields and Regions have to be already set.
"""
conf_equations = get_default(conf_equations,
self.conf.get('equations', None))
self.set_variables()
variables = Variables.from_conf(self.conf_variables, self.fields)
self.set_materials()
materials = Materials.from_conf(self.conf_materials, self.functions)
self.integrals = self.get_integrals()
equations = Equations.from_conf(conf_equations, variables,
self.domain.regions,
materials, self.integrals,
user=user)
self.equations = equations
if not keep_solvers:
self.solvers = None
def set_variables(self, conf_variables=None):
conf_variables = get_default(conf_variables, self.conf.variables)
variables = Variables.from_conf(conf_variables, self.fields)
variables.setup_dof_info() # Call after fields.setup_global_base().
self.variables = variables
self.mtx_a = None
self.solvers = None
self.clear_equations()
def create_variables(self, var_names=None):
"""
Create variables with names in `var_names`. Their definitions
have to be present in `self.conf.variables`.
Notes
-----
This method does not change `self.equations`, so it should not
have any side effects.
"""
if var_names is not None:
conf_variables = self.select_variables(var_names, only_conf=True)
else:
conf_variables = self.conf.variables
variables = Variables.from_conf(conf_variables, self.fields)
return variables
def create_variables(self, var_names=None):
"""
Create variables with names in `var_names`. Their definitions
have to be present in `self.conf.variables`.
Notes
-----
This method does not change `self.equations`, so it should not
have any side effects.
"""
if var_names is not None:
conf_variables = self.select_variables(var_names, only_conf=True)
else:
conf_variables = self.conf.variables
variables = Variables.from_conf(conf_variables, self.fields)
return variables
