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VorKir
  • Member for 5 years, 7 months
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3 answers
54 votes
36k views
44 bookmarks
What are the conceptual differences between the finite element and finite volume method?
5 answers
51 votes
10k views
49 bookmarks
What are criteria to choose between finite-differences and finite-elements
3 answers
41 votes
5k views
22 bookmarks
What's the state of the art in parallel ODE methods?
2 answers
41 votes
8k views
32 bookmarks
What does "symplectic" mean in reference to numerical integrators, and does SciPy's odeint use them?
3 answers
27 votes
5k views
16 bookmarks
What is the purpose of using integration by parts in deriving a weak form for FEM discretization?
2 answers
20 votes
5k views
12 bookmarks
Discontinuous Galerkin: Nodal vs Modal advantages and disadvantages
5 answers
17 votes
615 views
3 bookmarks
Are there operator splitting approaches for multiphysics PDEs that achieve high order convergence?
1 answer
16 votes
254 views
4 bookmarks
Usefulness of elements with mesh-dependent stability
0 answers
14 votes
397 views
2 bookmarks
Operator Splitting methods for DAEs
3 answers
13 votes
2k views
4 bookmarks
Mathematically, why does mass matrix / load vector lumping work?
3 answers
11 votes
4k views
5 bookmarks
Applying Dirichlet boundary conditions to the Poisson equation with finite volume method
2 answers
11 votes
245 views
1 bookmarks
Benchmark problems for eigenvalue reordering algorithms sought
1 answer
9 votes
365 views
7 bookmarks
Easily understandable argument that normal Runge–Kutta methods cannot be generalised to SDEs?
1 answer
9 votes
941 views
2 bookmarks
Optimal use of Strang splitting (for reaction diffusion equation)
2 answers
9 votes
628 views
2 bookmarks
Time discretization of the variational formulation of the Navier-Stokes equation
0 answers
8 votes
693 views
2 bookmarks
Numerical implementation of the Dirichlet-to-Neumann map
0 answers
8 votes
273 views
4 bookmarks
What can be done with Finite Element Method and not with the Finite Volume Method, and vice versa?
1 answer
8 votes
539 views
6 bookmarks
CFL condition in polar coordinates
1 answer
8 votes
282 views
4 bookmarks
Size of jump for piecewise discontinuous approximations
2 answers
7 votes
914 views
2 bookmarks
Why does sparse linear algebra have a low arithmetic intensity?
1 answer
7 votes
280 views
2 bookmarks
Robust smoothers for geometric multigrid
2 answers
7 votes
136 views
1 bookmarks
Algebraic multigrid for complex valued matrices
1 answer
6 votes
666 views
1 bookmarks
How to project a vector into the H(div) space (in the context of finite elements)?
2 answers
6 votes
140 views
1 bookmarks
Efficient approach for solving matrix plus diagonal matrix system that varies in time
3 answers
6 votes
875 views
4 bookmarks
Why is the FVM traditionally used in CFD, and FEM in computational structures?
1 answer
5 votes
482 views
4 bookmarks
Advantages and disadvantages of space-time finite element methods
0 answers
5 votes
171 views
4 bookmarks
Geometric Multigrid for Conform and Non–″ Elements: Restriction Operators
2 answers
5 votes
290 views
1 bookmarks
Preconditioner for the GMRES method in the Uzawa algorithm
3 answers
5 votes
1k views
6 bookmarks
Computing accurate fluxes with FEM
2 answers
5 votes
530 views
4 bookmarks
Solving Poisson equation with current BC using FEM