Research Article
Dynamic Response Study of Impulsive Force of Debris Flow Evaluation and Flexible Retaining Structure Based on SPH-DEM-FEM Coupling
Table 1
Basic setting parameters of simulation.
| | Density (kg/m3) | Elastic modulus (GPa) | Poisson’s ratio | Yield strength (MPa) | Ultimate strain | Constitutive model |
| Channel | 3000 | 30.0 | 0.24 | — | — | RIGID | DEM particles | 2650 | 30.0 | 0.30 | — | — | ELASTIC | Flexible retaining net | 7850 | 177 | 0.30 | 1770 | 0.05 | PLASTIC_KINEMATIC | Support cable | 7850 | 177 | 0.30 | 1770 | 0.05 | PLASTIC_KINEMATIC |
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