MultiMeshDirichletBC

class dolfin.cpp.fem.MultiMeshDirichletBC(*args)

Bases: object

This class is used to set Dirichlet boundary conditions for multimesh function spaces.

Overloaded versions

• MultiMeshDirichletBC(V, g, sub_domain, method=”topological”, check_midpoint=true)

  Create boundary condition for subdomain

  Arguments

  V (MultiMeshFunctionSpace)

  The function space.

  g (GenericFunction)

  The value.

  sub_domain (SubDomain)

  The subdomain.

  method (str)

  Optional argument: A string specifying the method to identify dofs.

• MultiMeshDirichletBC(V, g, sub_domain, method=”topological”, check_midpoint=true)

  Create boundary condition for subdomain

  Arguments

  V (MultiMeshFunctionSpace)

  The function space

  g (GenericFunction)

  The value

  sub_domain (SubDomain)

  The subdomain

  method (str)

  Optional argument: A string specifying the method to identify dofs

apply()

Overloaded versions

• apply(A)

  Apply boundary condition to a matrix

  Arguments

  A (GenericMatrix)

  The matrix to apply boundary condition to.

• apply(b)

  Apply boundary condition to a vector

  Arguments

  b (GenericVector)

  The vector to apply boundary condition to.

• apply(A, b)

  Apply boundary condition to a linear system

  Arguments

  A (GenericMatrix)

  The matrix to apply boundary condition to.

  b (GenericVector)

  The vector to apply boundary condition to.

• apply(b, x)

  Apply boundary condition to vectors for a nonlinear problem

  Arguments

  b (GenericVector)

  The vector to apply boundary conditions to.

  x (GenericVector)

  Another vector (nonlinear problem).

• apply(A, b, x)

  Apply boundary condition to a linear system for a nonlinear problem

  Arguments

  A (GenericMatrix)

  The matrix to apply boundary conditions to.

  b (GenericVector)

  The vector to apply boundary conditions to.

  x (GenericVector)

  Another vector (nonlinear problem).

thisown None

The membership flag