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Archived FEniCS QA questions

0 votes
1 answer
Using derivative and solve functions for function that is not a variational statment
asked Mar 30, 2017 by alexmm FEniCS User (4,240 points)
+1 vote
1 answer
form compilation error -> not enough memory
asked Mar 29, 2017 by Martin Genet FEniCS User (1,460 points)
+1 vote
1 answer
PETSc fieldsplit: PETScPreconditioner_set_fieldsplit expected 4 arguments, got 3
asked Mar 29, 2017 by nschloe FEniCS User (7,120 points)
0 votes
1 answer
Fenics doesn't seem to recognize properly python scripts
asked Mar 29, 2017 by Benji23245 FEniCS Novice (130 points)
0 votes
1 answer
Possible scaling numerical precision errors in heat equation 1D problem
asked Mar 29, 2017 by alexmm FEniCS User (4,240 points)
0 votes
1 answer
Defining mixed boundary conditions correctly
asked Mar 28, 2017 by alberin FEniCS Novice (150 points)
0 votes
1 answer
Uniform mesh generation on image mask
asked Mar 28, 2017 by rwoodall FEniCS Novice (120 points)
+1 vote
1 answer
dof of one part of the boundary
asked Mar 28, 2017 by stephanepa FEniCS Novice (350 points)
0 votes
1 answer
LU solver got result, Krylov solver got error, why ???
asked Mar 28, 2017 by fanronghong FEniCS User (1,680 points)
0 votes
1 answer
How to solve A*U = b with linear constraints U = C*Uf + Up
asked Mar 27, 2017 by jywu FEniCS Novice (510 points)
0 votes
1 answer
variable boundary conditions
asked Mar 27, 2017 by Hamilton FEniCS Novice (500 points)
0 votes
1 answer
JIT erroring when using project or interpolate inside forward problem in dolphin-adjoint
asked Mar 26, 2017 by gtt FEniCS Novice (630 points)
+1 vote
1 answer
Can I use CSG primitive to set boundary condition?
asked Mar 26, 2017 by steve FEniCS Novice (340 points)
0 votes
1 answer
solving mass-matrix systems, jacobi preconditioner?
asked Mar 25, 2017 by nschloe FEniCS User (7,120 points)
0 votes
1 answer
Element types for dual-mixed Poisson
asked Mar 24, 2017 by EvgenyS FEniCS Novice (120 points)
+1 vote
1 answer
System of PDEs defined on different subdomains
asked Mar 24, 2017 by jazzyearrings FEniCS Novice (130 points)
0 votes
1 answer
Plotting Error
asked Mar 23, 2017 by nicsn FEniCS Novice (150 points)
+3 votes
1 answer
1/x near boundary, NaNs where there shouldn't be NaNs
asked Mar 23, 2017 by nschloe FEniCS User (7,120 points)
0 votes
1 answer
Simple mesh with mshr and c++, weird error ?
asked Mar 23, 2017 by noname FEniCS Novice (130 points)
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