FEniCS Project

Topic	Replies	Views	Activity
Announcement: ufl_legacy and legacy dolfin Announcements tl;dr: UFL is no longer compatible with legacy dolfin. A ufl_legacy package will be created to help keep old dolfin projects computing. Depending on how you use ufl, you might need to replace import ufl with import ufl_…	4	3354	August 17, 2023
Read before posting: How do I get my question answered? Announcements Here are a few tips to help get your question answered: Write your message in English. Phrase the title of your post as a question and make it meaningful. Check that your question hasn’t been asked before using the sea…	3	11554	April 22, 2021
How to estimate the gradient along the vector between the two centers of adjacent cells? General	1	7	July 17, 2025
Inner product of vectors is miscalculated General	6	48	July 17, 2025
Split gradient of solution into vector components General dolfinx , post-processing	1	11	July 17, 2025
How to assemble 'matrix' only once with dolfinx 0.7.3? dolfinx assembly , dolfinx	2	31	July 16, 2025
Can an array of values be assigned to the source term? dolfinx ufl	14	89	July 16, 2025
Navier stokes equation with a spatially varing vector body force General	7	48	July 14, 2025
Mesh.locate_entities_boundary() does not seem to work if importing mesh nodes and cells mesh boundary-conditions , meshio	3	19	July 14, 2025
Giving initial condition in FEniCSx0.9.0 using mixed_element dolfinx dolfinx	5	37	July 14, 2025
Postdoc position at MIT for FEniCS-based project Announcements	0	69	July 14, 2025
Using dolfinx_mpc in generalised plain strain formulation dolfinx dolfinx	6	51	July 12, 2025
ArityMismatch error with complex PETSc when using conjugated test functions in nonlinear Poisson equation dolfinx newton	2	18	July 12, 2025
Dirichlet Boundary Conditions on Subdomains in FEniCSx variational formulation	5	865	July 12, 2025
Using CutFEMx to replicate a working FEniCSx code General	6	145	July 12, 2025
Navier stokes lid driven cavity flow General	6	15	July 11, 2025
Trying to convert mesh from MPI.COMM_SELF to MPI.COMM_WORLD mesh mesh	3	13	July 11, 2025
dolfinX : How to calculate a gradient/derivative and get it as a numpy.array? dolfinx dolfinx , variational-form	2	34	July 11, 2025
How can I add a thermal contact resistance (or surface thermal conductance) in heat PDEs? General	2	63	July 11, 2025
Nonlinear problems with nonlocal operators dolfinx	0	34	July 10, 2025
Trying to run example Navier Stokes General	1	20	July 10, 2025
Nitsche’s method applied to linear elasticity problems dolfinx mesh , assembly	5	46	July 10, 2025
Reading function using file dolfinx v 0.9.0 dolfinx	1	26	July 10, 2025
Matrix-vector multiplication in parallel with assembled PETSc matrix dolfinx	1	17	July 10, 2025
Sensitivity analysis with boundary conditions as parameters variational formulation	15	1159	July 10, 2025
Dirichlet Boundary Conditions Involving Extant UFL Functions General boundary-conditions	1	18	July 10, 2025
How to make inelastic constraint work when faces are partially overlapping General dolfinx_mpc	1	56	July 10, 2025
Export functionalities of Dolfinx 0.9 and troubleshooting with the interpolate function dolfinx	3	25	July 9, 2025
Unable to order hexahedron cell! General mesh	2	13	July 9, 2025
One order PDE system General	3	37	July 9, 2025

Announcement: ufl_legacy and legacy dolfin

tl;dr: UFL is no longer compatible with legacy dolfin. A ufl_legacy package will be created to help keep old dolfin projects computing. Depending on how you use ufl, you might need to replace import ufl with import ufl_…

4

3354

August 17, 2023

Read before posting: How do I get my question answered?

Announcements

Here are a few tips to help get your question answered: Write your message in English. Phrase the title of your post as a question and make it meaningful. Check that your question hasn’t been asked before using the sea…