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Solving large sparse system

finite-element linear-solver sparse-matrix

modified 2 days ago Anton Menshov♦ 7,484

2

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2

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107

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Weak form of the Navier-Cauchy equation

finite-element integration variational-calculus

modified Jul 5 at 0:24 lima 46

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46

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FEM with elastic inhomogeneous properties leads to mesh-induced anisotropy

finite-element discretization mesh fenics solid-mechanics

asked Jul 3 at 15:07 Rasmodius 31

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vote

1

answer

81

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$P0$ elements for $H1$

finite-element finite-difference finite-volume discontinuous-galerkin

modified Jul 2 at 10:37 lightxbulb 151

1

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1

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77

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Methodology Suggestion for Wave-propagation Problem using Finite Elements

finite-element boundary-conditions wave-propagation

modified Jul 1 at 20:06 Community♦ 1

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0

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33

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Cell-centered DG extension to the two-point flux approximation scheme

finite-element finite-volume discontinuous-galerkin

asked Jun 27 at 20:43 lightxbulb 151

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1

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70

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Global to local transformation matrix in 2D frame structures

finite-element

modified Jun 26 at 17:05 Community♦ 1

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42

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Some formulations of domain coupling lead to saddle point problems. Is this merely an artifact?

finite-element poisson saddlepoint boundary-element-method

asked Jun 25 at 12:42 Thomas Klimpel 2,008

4

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3

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82

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I wrote a 2D Finite Element program for Axial Loaded Plates, but the results are unexpected

finite-element python solid-mechanics

modified Jun 19 at 14:18 Ben 43

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1

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56

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Simple reference problems for time harmonic Maxwell equations

finite-element electromagnetism

modified Jun 18 at 21:27 wwfe 56

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18

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At what l/d ratio will a frame element start to behave as a shell element?

finite-element boundary-conditions numerics numerical-modelling solid-mechanics

asked Jun 15 at 5:13 John 1

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2

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284

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Why does the displacement have to be small to use the infintesimal strain elasticity equations?

finite-element pde solid-mechanics

modified Jun 11 at 20:06 nicoguaro♦ 5,646

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52

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How to construct a Fortin Operator for Crouzeix-Raviart Element?

finite-element numerics numerical-modelling navier-stokes

modified Jun 9 at 3:12 Community♦ 1

3

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65

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Why does smoothed aggregation multigrid method used as preconditioner in conjugate gradient slows down the solution time?

finite-element iterative-method multigrid conjugate-gradient solid-mechanics

modified Jun 6 at 7:03 Alexander 31

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