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Computational Science Beta
Jed Brown
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264 Answers

newest activity votes
46
What are the conceptual differences between the finite element and finite volume method?
Aug 12 '13 at 3:51
45
What core skills should every computational scientist have?
Feb 2 '12 at 16:04
43
What are criteria to choose between finite-differences and finite-elements
Dec 8 '11 at 5:39
40
Why is Newton's method not converging?
Nov 30 '11 at 5:23
31
Are there any famous problems/algorithms in scientific computing that cannot be sped up by parallelisation
Feb 23 '12 at 3:46
27
Alternatives to Journal of Computational Physics
Jul 19 '12 at 5:37
26
Scientific standards for numerical errors
Oct 9 '12 at 22:47
23
Why is my iterative linear solver not converging?
Dec 23 '11 at 2:13
21
How can wavelets be applied to PDE?
Jan 27 '12 at 3:03
18
When is Newton-Krylov not an appropriate solver?
Nov 30 '13 at 16:32
18
Disadvantages of common discretization schemes for CFD simulations
May 27 '12 at 4:22
18
Modern resources for learning FEM
Feb 27 '12 at 4:30
17
What material should I include with a journal article (or post online) in order to make my computational research reproducible?
Apr 6 '12 at 19:45
17
Can a Krylov subspace method be used as a smoother for multigrid?
Jan 17 '12 at 13:56
16
Higher precision floating-point arithmetic in numerical PDE
Aug 23 '12 at 17:04
16
What are the benefits and drawbacks inherent to using classes to encapsulate numerical algorithms?
Jul 12 '12 at 7:47
16
When should I use C++ expression templates in computational science, and when should I *not* use them?
Mar 15 '12 at 1:31
16
What is the principle behind the convergence of Krylov subspace methods for solving linear systems of equations?
Jan 29 '12 at 21:54
16
Unstructured quad mesh-generation?
Dec 28 '11 at 19:45
16
When should implicit methods be used in the integration of hyperbolic PDEs?
Nov 30 '11 at 16:16
15
Can the advection equation with variable velocity be conservative?
May 19 '13 at 13:45
15
Definition of incompressible flow
Apr 16 '13 at 15:15
15
How much should scientific software be optimized?
Feb 8 '12 at 23:43
15
What is the advantage of multigrid over domain decomposition preconditioners, and vice versa?
Dec 31 '11 at 1:27
14
Solving a simple Ax=b system in parallel with PETSc
Dec 20 '12 at 1:24
14
Solving huge dense linear system?
Jul 21 '12 at 15:44
14
Costs of lookups versus calculations
Jun 8 '12 at 12:53
14
How can one parallelize a multigrid method for solving a linear system of equations?
Jan 16 '12 at 16:18
14
What programming strategies can I take for easily modifying algorithm parameters?
Dec 3 '11 at 4:56
13
Is there any way to do “double preconditioning”
Feb 23 '14 at 9:01
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