Dynamic Response Analysis of Retaining Dam under the Impact of Solid-Liquid Two-Phase Debris Flow Based on the Coupled SPH-DEM-FEM Method

Table 1

Basic parameters for simulation.

	Density (kg/m^3)	Elasticity modulus (GPa)	Poisson’s ratio
Gully	3000	30.0	0.24
Retaining dam	2320	32.5	0.20
DEM particle	2650	30.0	0.30