Archived FEniCS QA questions

+1 vote

1 answer

conditional having no effect

asked Jul 6, 2017 by lavery FEniCS Novice (350 points)

0 votes

0 answers

Iterative solver for 2D Stokes equation with weak boundary condition

asked Jul 6, 2017 by jfromdalembert FEniCS Novice (120 points)

0 votes

0 answers

Adaptive nonlinear variational solver: rank error for goal functional

asked Jul 6, 2017 by dvlaethe FEniCS Novice (200 points)

0 votes

0 answers

Incorrect oscillating flow when applying variable pressure BC (windkessel) for IPCS method

asked Jul 6, 2017 by MB FEniCS Novice (160 points)

0 votes

1 answer

How to solve FEM linear system with numpy?

asked Jul 6, 2017 by babak.maboudi FEniCS Novice (160 points)

+2 votes

1 answer

exposing DirichletBC dofs and corresponding coefs to python

asked Jul 5, 2017 by chaffra FEniCS User (1,830 points)

+1 vote

1 answer

How to write matrices in fenics

asked Jul 4, 2017 by woolyabyss FEniCS Novice (420 points)

+1 vote

1 answer

Newton Raphson for reinitialization on level set method

asked Jul 4, 2017 by pimenta.pvcl FEniCS Novice (320 points)

+1 vote

1 answer

The assembled matrix is not symmetric

asked Jul 4, 2017 by Ashkan FEniCS Novice (300 points)

+1 vote

1 answer

Jacobian matrix of ufl expression on mixed function space

asked Jul 3, 2017 by chaffra FEniCS User (1,830 points)

+1 vote

0 answers

PETSc error code is: 62 (Invalid argument).

asked Jul 3, 2017 by fanronghong FEniCS User (1,680 points)

+2 votes

2 answers

How to dump a FEniCS matrix to an text file (Matrix Market format) ?

asked Jul 3, 2017 by fhoussen FEniCS Novice (140 points)

0 votes

0 answers

Can FEniCS take a derivative of an Expression?

asked Jul 2, 2017 by lavery FEniCS Novice (350 points)

+1 vote

1 answer

Is it possible to define adaptive solver goal functional at a point/s of interest?

asked Jul 2, 2017 by alexmm FEniCS User (4,240 points)

+1 vote

1 answer

How to solve linear system with constaint?

asked Jul 2, 2017 by fanronghong FEniCS User (1,680 points)

+1 vote

0 answers

Plotting material properties in subdomains given by python class

asked Jul 1, 2017 by alexmm FEniCS User (4,240 points)

+1 vote

2 answers

Poisson equation in axisymmetric cylindrical coordinates

asked Jul 1, 2017 by alexmm FEniCS User (4,240 points)

+1 vote

1 answer

No set_nullspace() in KrylovSolver???

asked Jul 1, 2017 by fanronghong FEniCS User (1,680 points)

+1 vote

1 answer

Error when using adaptive linear solver and subdomains

asked Jul 1, 2017 by alexmm FEniCS User (4,240 points)

+1 vote

1 answer

Convert a msh file into xml using dolfin from docker

asked Jun 30, 2017 by MuriloMoreira FEniCS Novice (490 points)