Method __init__

python/dolfinx/fem/function.py:717–740

Create a finite element function space. Note: This initialiser is for internal use and not normally called in user code. Use :func:`functionspace` to create a function space. Args: mesh: Mesh that space is defined on. elem

(
        self,
        mesh: Mesh[Real],
        element: ufl.finiteelement.AbstractFiniteElement,
        cppV: (_cpp.fem.FunctionSpace_float32 | _cpp.fem.FunctionSpace_float64),
    )

    _mesh: Mesh[Real]

    def __init__(
        self,
        mesh: Mesh[Real],
        element: ufl.finiteelement.AbstractFiniteElement,
        cppV: (_cpp.fem.FunctionSpace_float32 | _cpp.fem.FunctionSpace_float64),
    ):
        """Create a finite element function space.

        Note:
            This initialiser is for internal use and not normally called
            in user code. Use :func:`functionspace` to create a function
            space.

        Args:
            mesh: Mesh that space is defined on.
            element: UFL finite element.
            cppV: Compiled C++ function space.
        """
        if mesh._cpp_object is not cppV.mesh:
            raise RuntimeError("Meshes do not match in function space initialisation.")
        ufl_domain = mesh.ufl_domain()
        self._cpp_object = cppV
        self._mesh = mesh
        super().__init__(ufl_domain, element)

    def clone(self) -> FunctionSpace[Real]:
        """Create a FunctionSpace which shares data with this space.