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Welcome to FEniCS Q&A, where you can ask questions and receive answers from other members of the community.
Recent questions and answers
Recent questions and answers
0
votes
1
answer
Is it possible to compute the derivative of a scalar or vector field in advance?
answered
25 minutes
ago
by
Tormod Landet
FEniCS User
(
1,620
points)
grad
operator
0
votes
0
answers
error: Multiplying expressions with overlapping form argument number 1
asked
2 hours
ago
by
Farbdrucker
FEniCS Novice
(
120
points)
navier-stokes
nonlinear
newton-solver
crank-nicolson
0
votes
1
answer
generate a Vector or GenericVector in Python
answered
3 hours
ago
by
Magne Nordaas
FEniCS User
(
4,280
points)
vector
genericvector
solve
0
votes
1
answer
Error in NewtonSolver(). TypeError: in method 'NewtonSolver_solve', argument 3 of type 'dolfin::GenericVector &'
answered
3 hours
ago
by
Magne Nordaas
FEniCS User
(
4,280
points)
newton-solver
nonlinear
cahn-hilliard
boundary-conditions
jacobian
+1
vote
1
answer
Custom function space
answered
15 hours
ago
by
Kent-Andre Mardal
FEniCS User
(
7,730
points)
0
votes
1
answer
Solving generalized eigenvalues of mixed finite element stiff matrix
answered
20 hours
ago
by
umberto
FEniCS User
(
2,960
points)
eigenvalue
zero-pivot
mixed-finite-element
+2
votes
1
answer
Discontinuous coefficient in Poisson: Subdomain vs Expression
answered
20 hours
ago
by
Magne Nordaas
FEniCS User
(
4,280
points)
coefficient
multi-domain
subdomains
poisson
0
votes
2
answers
convert eigen::vector into dolfin::function
answered
20 hours
ago
by
Tormod Landet
FEniCS User
(
1,620
points)
dolfin
eigen
0
votes
1
answer
doflin.MPI returns NotImplementedError
answered
21 hours
ago
by
chris_richardson
FEniCS Expert
(
19,730
points)
mpi
0
votes
0
answers
Error to assemble_system
asked
1 day
ago
by
RDOLL
FEniCS Novice
(
380
points)
assembly_system
0
votes
1
answer
Nonlinear Time dependent fails after fist iteration. Shows -nan for remaining iteration
answered
1 day
ago
by
str
FEniCS Novice
(
570
points)
nonlinear
time-dependent
mixed-spaces
jacobian
newton-solver
+2
votes
3
answers
Install FEniCS without root privileges
answered
3 days
ago
by
maartent
FEniCS User
(
2,380
points)
0
votes
1
answer
El Capitan with 1.6 DMG: Teuchos MPI not found
answered
3 days
ago
by
johannr
FEniCS User
(
6,680
points)
osx
mpi
dolfin
tpetra
0
votes
1
answer
Periodic boundary conditions for dG
answered
3 days
ago
by
str
FEniCS Novice
(
570
points)
periodic-bc
dg
advection
boundary-conditions
0
votes
1
answer
Arc-Length Implementation
answered
3 days
ago
by
RDOLL
FEniCS Novice
(
380
points)
arc-length
method
nonlinear
elasticity
0
votes
1
answer
Linking Fortran function to C++ program
answered
4 days
ago
by
Kent-Andre Mardal
FEniCS User
(
7,730
points)
c
fortran
library
matrix
0
votes
1
answer
How to solve Reaction-Diffusion equation with Dirac Delta function using PointSource
answered
4 days
ago
by
hernan_mella
FEniCS User
(
3,000
points)
0
votes
0
answers
Mystery: Mshr EXC_BAD_ACCESS
asked
4 days
ago
by
senseiwa
FEniCS User
(
1,660
points)
mshr
mesh
dolfin
0
votes
0
answers
How to use UFL PartExtracter
asked
5 days
ago
by
jack.hale
FEniCS Novice
(
220
points)
ufl
fenics
transformer
0
votes
0
answers
Incompressible NS coupled solver fails to solve the problem with negative inlet velocity
asked
5 days
ago
by
Maks
FEniCS User
(
2,220
points)
navier-stokes
error
time-dependent
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