def __init__(self, faces, value):
"""
Parameters
----------
faces : :obj:`~fipy.variables.faceVariable.FaceVariable` of :obj:`bool`
Mask of faces where this condition applies.
value : float
Value to impose.
"""
BoundaryCondition.__init__(self, faces, value)
## The extra index [self.faces.value] makes self.contribution the same length as self.adjacentCellIDs
self.contribution = (self.value * self.faces.mesh._faceAreas)[self.faces.value]
def __init__(self, faces, value):
"""
Creates a `FixedFlux` object.
:Parameters:
- `faces`: A `list` or `tuple` of `Face` objects to which this condition applies.
- `value`: The value to impose.
"""
BoundaryCondition.__init__(self, faces, value)
## The extra index [self.faces.value] makes self.contribution the same length as self.adjacentCellIDs
self.contribution = (self.value * self.faces.mesh._faceAreas)[self.faces.value]
def __init__(self,faces,value):
"""
Creates a `FixedFlux` object.
:Parameters:
- `faces`: A `list` or `tuple` of `Face` objects to which this condition applies.
- `value`: The value to impose.
"""
BoundaryCondition.__init__(self,faces,value)
## The extra index [self.faces.value] makes self.contribution the same length as self.adjacentCellIDs
self.contribution = (self.value * self.faces.mesh._faceAreas)[self.faces.value]
def __init__(self, faces, value, order):
"""
Creates an `NthOrderBoundaryCondition`.
:Parameters:
- `faces`: A `list` or `tuple` of `Face` objects to which this condition applies.
- `value`: The value to impose.
- `order`: The order of the boundary condition. An `order` of `0`
corresponds to a `FixedValue` and an `order` of `1` corresponds to
a `FixedFlux`. Even and odd orders behave like `FixedValue` and `FixedFlux` objects,
respectively, but apply to higher order terms.
"""
self.order = order
self.derivative = {}
BoundaryCondition.__init__(self,faces,value)
def __init__(self, faces, value, order):
"""
Creates an `NthOrderBoundaryCondition`.
:Parameters:
- `faces`: A `list` or `tuple` of `Face` objects to which this condition applies.
- `value`: The value to impose.
- `order`: The order of the boundary condition. An `order` of `0`
corresponds to a `FixedValue` and an `order` of `1` corresponds to
a `FixedFlux`. Even and odd orders behave like `FixedValue` and `FixedFlux` objects,
respectively, but apply to higher order terms.
"""
self.order = order
self.derivative = {}
BoundaryCondition.__init__(self,faces,value)
def __init__(self, faces, value, order):
"""
Creates an `NthOrderBoundaryCondition`.
Parameters
----------
faces : :obj:`~fipy.variables.faceVariable.FaceVariable` of :obj:`bool`
Mask of faces where this condition applies.
value : float
Value to impose.
order : int
Order of the boundary condition. An `order` of `0`
corresponds to a `FixedValue` and an `order` of `1` corresponds to
a `FixedFlux`. Even and odd orders behave like `FixedValue` and `FixedFlux` objects,
respectively, but apply to higher order terms.
"""
self.order = order
self.derivative = {}
BoundaryCondition.__init__(self, faces, value)
def _getDerivative(self, order):
if order == 1:
return FixedValue(self.faces, self.value)
else:
return BoundaryCondition._getDerivative(self, order)
def _getDerivative(self, order):
if order == 1:
return FixedValue(self.faces, self.value)
else:
return BoundaryCondition._getDerivative(self, order)