Table 1 Error (%) for nodes position displacement on analytical test cases for different refinement of 2D meshes
Mesh size | Gaussian function | Sine function | 3D example | |||
|---|---|---|---|---|---|---|
Coarse | Fine | Coarse | Fine | Coarse | Fine | |
Galerkin | No convergence | Not tested | ||||
SUPG | 0.08 (0.91) | 0.02 (0.38) | 1.69 (0.21) | 0.42 (0.08) | ||
LS | 0.80 (6.42) | 0.22 (2.98) | 7.41 (1.48) | 1.67 (0.56) | 51.9 (353) | 62.1 (945) |
LS_supg | 0.22 (2.36) | 0.04 (0.85) | 5.19 (0.57) | 1.85 (0.26) | 2.7 (9.6) | 0.5 (3.37) |
LS_sl | 0.18 (3.78) | 0.04 (2.47) | 4.84 (0.56) | 1.84 (0.28) | 2.6 (10.6) | 1.6 (11.5) |