Table 3 Conditions for the 3-D SEM calculation
Parameter | |
|---|---|
Model size | Length × width × depth 840 m × 840 m × 840 m |
Minimum element size | 4 m |
Total elements | 494,429 |
Order of polynomial’s shape function | 4 |
Maximum frequency | 20 Hz |
Minimal number of GLL nodes at 20 Hz | 5 |
Time increment | 0.000035 s |
Time step | 142,858 |
Total duration | 5.0 s |