Create a mesh consisting of points only. Note: No points are shared between processes. Args: comm: MPI communicator to creat

Create a TNT element of given degree on quadrilaterals.

Create a Vector that is compatible with the given function space. Args: V: A function space. dtype: Data type of the vector.

-----------------------------------------------------------------------------

-----------------------------------------------------------------------------

Returns the curl of two 2D vectors as a 3D vector.

@brief Determine owner and sharing ranks sharing an index. Indices are sent to a 'post office' rank, which uses a (deterministic) random number gener

Plot the solution using pyvista.

Access dof indices (local indices, unrolled), including ghosts, to which a Dirichlet condition is applied, and the index to the first non-owned (ghost

Geometry type of the mesh that the space is defined on.

@brief Evaluate the Function at points. @param[in] x The coordinates of the points. It has shape (num_points, 3) and storage is row-major. @param[in]

@brief Send and receive vertex indices and owning ranks for vertices that lie in the ghost cell region. Vertices that are attached to ghost cells but

@brief Send entity indices for owned entities to processes that share but do not own the entities, and receive index data for entities caller shares b

Extract the mesh geometry from a Gmsh model. Returns an array of shape ``(num_nodes, 3)``, where the i-th row corresponds to the i-th node in

-----------------------------------------------------------------------------

Extract entities with a physical marker in the Gmsh model. Returns a nested dictionary where the first key is the gmsh MSH element type integ

A wrapped C++ constructor for a form with a specified scalar type. Args: dtype: Scalar type of the required form class. Returns:

The function space to which boundary conditions are applied @return The function space

Search for C++ code and write CMakeLists.txt files.

Generate axisymmetric mesh of a sphere with surrounding PML.

Generate the mesh of the wire with surrounding PML.

Generate mesh for scattering from a wire.

@brief Get global indices for unowned dofs @param[in] index_maps Set of index maps corresponding to dofs in `dof_entity`, below. @param[in] num_owned

Get integration domains from subdomain data. The subdomain data is a MeshTags object consisting of markers, or ``None``. If it is ``None``, w

Communicate with sharing processes to find out which entities are ghosts and return a map (vector) to move these local indices to the end of the local

Return a copy of the merged JIT option values for DOLFINx. Args: priority_options: Take priority over all other option values

----------------------------------------------------------------------------- 3D version of subdivision

----------------------------------------------------------------------------- 2D version of subdivision allowing for uniform subdivision (flag) @param

Return git changeset hash (returns "unknown" if changeset is not known)

-----------------------------------------------------------------------------

-----------------------------------------------------------------------------

-----------------------------------------------------------------------------

-----------------------------------------------------------------------------

Create a Gmsh model of a ring-type geometry using hexahedral cells. Args: model: Gmsh model to add the mesh to. name: Name (ident

Create a Gmsh model of a sphere. Tags sub entitites for all co-dimensions (peaks, ridges, facets and cells). Args: model: Gmsh m

Create a Gmsh model of a sphere with a box from the sphere removed. Args: model: Gmsh model to add the mesh to. name: Name (ident

-----------------------------------------------------------------------------

-----------------------------------------------------------------------------

----------------------------------------------------------------------------- Gibbs-Poole-Stockmeyer algorithm, finding a reordering for the given gra

Return true if DOLFINX is compiled with ADIOS2

Return true if DOLFINx supports UFCx kernels with arguments of type C99 _Complex. When DOLFINx was built with MSVC this returns false. This returning

Return true if DOLFINx is compiled in debugging mode, i.e., with assertions on

Check for existence of group in HDF5 file @param[in] handle HDF5 file handle @param[in] group_name Name of the group to check @return True if @p group

Return true if DOLFINx is compiled with KaHIP

Return true if DOLFINx is compiled with ParMETIS

Return true if DOLFINx is compiled with PETSc

Return true if DOLFINx is compiled with petsc4py

Return true if DOLFINX is compiled with PT-SCOTCH

Return true if DOLFINx is compiled with SLEPc

Return true if DOLFINx is compiled with SuperLU_DIST

Check if a file imports petsc4py.

Local column indices.

-----------------------------------------------------------------------------

This helper function computes the integration entities for interior facet integrals (i.e. a list of (cell_0, local_facet_0, cell_1, lo

Points at which to evaluate the function to be interpolated. Interpolation point coordinates on the reference cell, returning the coo

Check that list of vectors are orthonormal.

-----------------------------------------------------------------------------

-----------------------------------------------------------------------------

-----------------------------------------------------------------------------

Solve Stokes problem using mixed matrix and a direct solver.

Blocked problem using a {py:class}`ufl.MixedFunctionSpace`.