User Michael

14 votes

6 answers

7k views

What is a common file/data format for a mesh (for FEM)?

asked May 1, 2016 at 12:48

13 votes

3 answers

419 views

Is it usual to have no convergence checking in Multigrid?

asked Sep 12, 2015 at 16:18

12 votes

2 answers

574 views

Algebraic Multigrid: Why does the product of interpolation and restriction not result in something with norm 1?

asked Dec 2, 2015 at 16:50

10 votes

3 answers

3k views

Are there any "light-weight" FEM packages around?

asked Oct 17, 2016 at 12:37

9 votes

2 answers

365 views

Multigrid on "not perfectly rectangular" grid

asked Aug 23, 2015 at 18:33

8 votes

3 answers

4k views

What does Python offer for distributed/parallel/GPU computing?

asked Jun 22, 2016 at 14:04

8 votes

0 answers

295 views

What can be done with Finite Element Method and not with the Finite Volume Method, and vice versa?

asked Jun 20, 2017 at 11:52

6 votes

1 answer

465 views

"Cookbook" about iterative linear solvers and preconditioners

asked Apr 22, 2016 at 7:38

4 votes

0 answers

221 views

Once and for all: Which FEM plattform should I use for a very large multiphysics simulation?

asked May 24, 2016 at 18:47

4 votes

3 answers

200 views

Mixing some particles together - "Game physics for engineers"?

asked May 31, 2016 at 8:42

4 votes

2 answers

937 views

Diffusion coefficient when simulating in 2D

asked Oct 14, 2015 at 8:39

4 votes

1 answer

474 views

Linear equation system: Direct solver works, iterative solver does not

asked May 8, 2014 at 9:49

4 votes

1 answer

6k views

GPU-accelerated libraries for solving sparse linear systems

asked May 14, 2014 at 17:04

3 votes

2 answers

270 views

Does length unit in FEM affect numerical condition?

asked May 9, 2014 at 10:55

3 votes

0 answers

120 views

What are some important pros and contras considering using Trilinos?

asked May 23, 2016 at 20:07

3 votes

1 answer

839 views

Library for polygon processing in 3D

asked Jul 8, 2016 at 11:27

3 votes

4 answers

971 views

How to "smoothen" (not just refine) a 2D/3D polygonal mesh

asked Jun 8, 2016 at 14:50

2 votes

1 answer

329 views

FEM with flat triangles

asked May 1, 2017 at 12:21

2 votes

1 answer

237 views

Newton's method stagnates at small error

asked Jun 8, 2017 at 10:56

2 votes

2 answers

4k views

How do you generate data for VTK?

asked May 20, 2016 at 8:49

2 votes

3 answers

498 views

State of the art in parallel data structures [closed]

asked Jun 2, 2016 at 11:12

2 votes

2 answers

107 views

Looking for some literature about numerical solution of _coupled_ PDEs

asked Oct 3, 2014 at 10:36

2 votes

1 answer

179 views

Solve FEM matrix from coupled system

asked Oct 20, 2015 at 13:45

1 vote

1 answer

462 views

Solver library for matrix-free linear equation system

asked May 7, 2014 at 9:48

1 vote

4 answers

1k views

Meshing: Handle an internal boundary

asked May 3, 2016 at 8:47

1 vote

1 answer

121 views

Invert a matrix only on a subset of variables / Compute the "equivalent circuit"

asked Jun 10, 2017 at 9:03

1 vote

0 answers

73 views

How to get a theoretical background in nonlinear, coupled FEM systems

asked May 31, 2017 at 8:08

1 vote

1 answer

943 views

Algebraic multigrid in PETSc

asked Jul 8, 2017 at 14:42

1 vote

1 answer

96 views

How to deal with multi-region problems (in PETSc)

asked Jul 8, 2017 at 15:38

1 vote

2 answers

2k views

Linear solvers: How to deal with a singular system? (Poisson equation with Neumann boundary conditions)

asked Jul 9, 2017 at 12:40

Stack Exchange Network

36 Questions

What is a common file/data format for a mesh (for FEM)?

Is it usual to have no convergence checking in Multigrid?

Algebraic Multigrid: Why does the product of interpolation and restriction not result in something with norm 1?

Are there any "light-weight" FEM packages around?

Multigrid on "not perfectly rectangular" grid

What does Python offer for distributed/parallel/GPU computing?

What can be done with Finite Element Method and not with the Finite Volume Method, and vice versa?

"Cookbook" about iterative linear solvers and preconditioners

Once and for all: Which FEM plattform should I use for a very large multiphysics simulation?

Mixing some particles together - "Game physics for engineers"?

Diffusion coefficient when simulating in 2D

Linear equation system: Direct solver works, iterative solver does not

GPU-accelerated libraries for solving sparse linear systems

Does length unit in FEM affect numerical condition?

What are some important pros and contras considering using Trilinos?

Library for polygon processing in 3D

How to "smoothen" (not just refine) a 2D/3D polygonal mesh

FEM with flat triangles

Newton's method stagnates at small error

How do you generate data for VTK?

State of the art in parallel data structures [closed]

Looking for some literature about numerical solution of _coupled_ PDEs

Solve FEM matrix from coupled system

Solver library for matrix-free linear equation system

Meshing: Handle an internal boundary

Invert a matrix only on a subset of variables / Compute the "equivalent circuit"

How to get a theoretical background in nonlinear, coupled FEM systems

Algebraic multigrid in PETSc

How to deal with multi-region problems (in PETSc)

Linear solvers: How to deal with a singular system? (Poisson equation with Neumann boundary conditions)