Archived FEniCS QA questions

0 votes

0 answers

Operator update with LU solver (Python)

asked Dec 4, 2014 by BC FEniCS Novice (790 points)

0 votes

0 answers

Any news regarding PML/sponge layers...

asked Dec 3, 2014 by Steffen Wittek FEniCS Novice (210 points)

+1 vote

1 answer

Multiply DG0-function with CG1-function; what's the best way?

asked Dec 3, 2014 by joakibo FEniCS User (1,140 points)

+1 vote

1 answer

MatrixFunctionSpace?

asked Dec 1, 2014 by srhebergen FEniCS Novice (130 points)

+3 votes

1 answer

Issues with `set_local` in Crouzeix-Raviart FEM

asked Dec 1, 2014 by Jan FEniCS User (8,290 points)

+2 votes

0 answers

Periodic boundary conditions involving derivatives of the solution

asked Nov 29, 2014 by wilhelmbraun FEniCS User (2,070 points)

+2 votes

2 answers

Fenics' Crouzeix-Raviart Elements for Navier-Stokes Simulations

asked Nov 28, 2014 by Jan FEniCS User (8,290 points)

+1 vote

1 answer

Solution of singular linear systems.

asked Nov 28, 2014 by Stefano FEniCS Novice (460 points)

0 votes

1 answer

Can not get biharmonic.py demo to run properly on ubuntu 14.04 running on virtual box.

asked Nov 28, 2014 by FEM_t00l FEniCS Novice (120 points)

+1 vote

1 answer

Assemble over boundary faces

asked Nov 27, 2014 by luftiq FEniCS Novice (560 points)

+2 votes

1 answer

Low-pass filter: create and integrate local supported function over domain

asked Nov 27, 2014 by joakibo FEniCS User (1,140 points)

+1 vote

1 answer

PolygonalMeshGenerator doesn't work anymore after FEniCS update

asked Nov 27, 2014 by Adriaan FEniCS Novice (660 points)

–2 votes

0 answers

I installed fenics-dev just now! but I can't run the basic demo ! why!?

asked Nov 27, 2014 by motianlunfenics FEniCS Novice (310 points)

0 votes

1 answer

ipython notebook on a Mac with FEniCS.app

asked Nov 27, 2014 by scbarton FEniCS Novice (190 points)

+2 votes

1 answer

How to implement inequality constraints directly in dolfin?

asked Nov 26, 2014 by chaffra FEniCS User (1,830 points)

+1 vote

1 answer

How to get Matrix diagonal?

asked Nov 25, 2014 by chaffra FEniCS User (1,830 points)

0 votes

1 answer

How can I solve two problems parallelly with fenics which is relative with DG ?

asked Nov 25, 2014 by motianlunfenics FEniCS Novice (310 points)

+6 votes

1 answer

Expression depending on surface-normals of a sphere

asked Nov 24, 2014 by thisch FEniCS Novice (580 points)

0 votes

1 answer

NewtonSolver update solution with inequality constraint

asked Nov 24, 2014 by chaffra FEniCS User (1,830 points)

0 votes

1 answer

pass arguments to custom Expression ctor

asked Nov 24, 2014 by thisch FEniCS Novice (580 points)