Table 5 Parameters of different meshes for the terrain relief model.
From: Hybrid mesh for magnetotelluric forward modeling based on the finite element method
Mesh property | Horizontal size | Vertical size | NE | DoF | Time (min) | Memory (GB) | ||
|---|---|---|---|---|---|---|---|---|
TriMES (m) | TriGR | Thickness of the first layer (m) | PriGR/TetGR | |||||
Hybrid mesh | 100 | 1.5 | 15 | 1.0/1.5 | 53,108 | 500,815 | 6.617 | 44.4 |
General tetrahedral mesh | 100 | 1.5 | 80 | 1.34 | 65,667 | 508,996 | 7.033 | 47.58 |
Dense tetrahedral mesh | 25 | 1.5 | 20 | 1.5 | 135,669 | 1,046,150 | 16.833 | 97.45 |