Research Article
Subsection Forward Modeling Method of Blasting Stress Wave Underground
Table 1
Comparisons for two methods.
| | Items | One-way | Subsection | | First | Second |
| | Regions | The whole | Source | Elastic |
| | Element number | 1,078,400 | 530,800 | 547,600 |
| | Methods | Nonlinear finite element | Nonlinear finite element | Linear finite element |
| | Material model | Plastic kinematic | Plastic kinematic | Isotropic elastic | | Ideal gas | Ideal gas | | | JWL EOS | JWL EOS | |
| | Parameters of plastic kinematic model | (kg/m3) | (kg/m3) | | | (GPa) | (GPa) | | | (GPa) | (GPa) | | | | | | (MPa) | (MPa) | | | | | | | | | | |
| | Parameters of isotropic elastic model | (kg/m3) | (kg/m3) | (kg/m3) | | (GPa) | (GPa) | (GPa) | | | |
| | Parameters of ideal gas model | (kg/m3) | (kg/m3) | | | | | | (kJ/kg) | (kJ/kg) | |
| | Parameters of JWL EOS [19] | (MPa) | (MPa) | | | | | | (MPa) | (MPa) | | | | | | | |
| | Memory demand | (GB) | (GB) | (GB) |
| | Calculating time | 14 hr. 07 min. 46 sec. | 9 hr. 31 min. 18 sec. | 0 hr. 25 min. 42 sec. |
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