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 ratioYield strength (MPa)Ultimate strainConstitutive model

Channel300030.00.24RIGID
DEM particles265030.00.30ELASTIC
Flexible retaining net78501770.3017700.05PLASTIC_KINEMATIC
Support cable78501770.3017700.05PLASTIC_KINEMATIC