def edge(self):
"""Construct edge legnths of the 3D model as 1d array."""
if getattr(self, '_edge', None) is None:
# Ensure that we are working with column vectors
vh = self.h
# The number of cell centers in each direction
n = self.vnC
# Compute edge lengths
if (self.dim == 1):
self._edge = Utils.mkvc(vh[0])
elif (self.dim == 2):
l1 = np.outer(vh[0], np.ones(n[1] + 1))
l2 = np.outer(np.ones(n[0] + 1), vh[1])
self._edge = np.r_[Utils.mkvc(l1), Utils.mkvc(l2)]
elif (self.dim == 3):
l1 = np.outer(
vh[0],
Utils.mkvc(np.outer(np.ones(n[1] + 1), np.ones(n[2] + 1))))
l2 = np.outer(np.ones(n[0] + 1),
Utils.mkvc(np.outer(vh[1], np.ones(n[2] + 1))))
l3 = np.outer(np.ones(n[0] + 1),
Utils.mkvc(np.outer(np.ones(n[1] + 1), vh[2])))
self._edge = np.r_[Utils.mkvc(l1),
Utils.mkvc(l2),
Utils.mkvc(l3)]
return self._edge
def area(self):
"""Construct face areas of the 3D model as 1d array."""
if getattr(self, '_area', None) is None:
# Ensure that we are working with column vectors
vh = self.h
# The number of cell centers in each direction
n = self.vnC
# Compute areas of cell faces
if (self.dim == 1):
self._area = np.ones(n[0] + 1)
elif (self.dim == 2):
area1 = np.outer(np.ones(n[0] + 1), vh[1])
area2 = np.outer(vh[0], np.ones(n[1] + 1))
self._area = np.r_[Utils.mkvc(area1), Utils.mkvc(area2)]
elif (self.dim == 3):
area1 = np.outer(np.ones(n[0] + 1),
Utils.mkvc(np.outer(vh[1], vh[2])))
area2 = np.outer(
vh[0], Utils.mkvc(np.outer(np.ones(n[1] + 1), vh[2])))
area3 = np.outer(
vh[0], Utils.mkvc(np.outer(vh[1], np.ones(n[2] + 1))))
self._area = np.r_[Utils.mkvc(area1),
Utils.mkvc(area2),
Utils.mkvc(area3)]
return self._area
def vol(self):
"""Construct cell volumes of the 3D model as 1d array."""
if getattr(self, '_vol', None) is None:
vh = self.h
# Compute cell volumes
if self.dim == 1:
self._vol = Utils.mkvc(vh[0])
elif self.dim == 2:
# Cell sizes in each direction
self._vol = Utils.mkvc(np.outer(vh[0], vh[1]))
elif self.dim == 3:
# Cell sizes in each direction
self._vol = Utils.mkvc(np.outer(Utils.mkvc(np.outer(vh[0], vh[1])), vh[2]))
return self._vol
def vol(self):
"""Construct cell volumes of the 3D model as 1d array."""
if getattr(self, '_vol', None) is None:
vh = self.h
# Compute cell volumes
if self.dim == 1:
self._vol = Utils.mkvc(vh[0])
elif self.dim == 2:
# Cell sizes in each direction
self._vol = Utils.mkvc(np.outer(vh[0], vh[1]))
elif self.dim == 3:
# Cell sizes in each direction
self._vol = Utils.mkvc(np.outer(Utils.mkvc(np.outer(vh[0], vh[1])), vh[2]))
return self._vol
def edge(self):
"""Construct edge legnths of the 3D model as 1d array."""
if getattr(self, '_edge', None) is None:
# Ensure that we are working with column vectors
vh = self.h
# The number of cell centers in each direction
n = self.vnC
# Compute edge lengths
if(self.dim == 1):
self._edge = Utils.mkvc(vh[0])
elif(self.dim == 2):
l1 = np.outer(vh[0], np.ones(n[1]+1))
l2 = np.outer(np.ones(n[0]+1), vh[1])
self._edge = np.r_[Utils.mkvc(l1), Utils.mkvc(l2)]
elif(self.dim == 3):
l1 = np.outer(vh[0], Utils.mkvc(np.outer(np.ones(n[1]+1), np.ones(n[2]+1))))
l2 = np.outer(np.ones(n[0]+1), Utils.mkvc(np.outer(vh[1], np.ones(n[2]+1))))
l3 = np.outer(np.ones(n[0]+1), Utils.mkvc(np.outer(np.ones(n[1]+1), vh[2])))
self._edge = np.r_[Utils.mkvc(l1), Utils.mkvc(l2), Utils.mkvc(l3)]
return self._edge
def area(self):
"""Construct face areas of the 3D model as 1d array."""
if getattr(self, '_area', None) is None:
# Ensure that we are working with column vectors
vh = self.h
# The number of cell centers in each direction
n = self.vnC
# Compute areas of cell faces
if(self.dim == 1):
self._area = np.ones(n[0]+1)
elif(self.dim == 2):
area1 = np.outer(np.ones(n[0]+1), vh[1])
area2 = np.outer(vh[0], np.ones(n[1]+1))
self._area = np.r_[Utils.mkvc(area1), Utils.mkvc(area2)]
elif(self.dim == 3):
area1 = np.outer(np.ones(n[0]+1), Utils.mkvc(np.outer(vh[1], vh[2])))
area2 = np.outer(vh[0], Utils.mkvc(np.outer(np.ones(n[1]+1), vh[2])))
area3 = np.outer(vh[0], Utils.mkvc(np.outer(vh[1], np.ones(n[2]+1))))
self._area = np.r_[Utils.mkvc(area1), Utils.mkvc(area2), Utils.mkvc(area3)]
return self._area