Numerical Investigation of Rainfall-Induced Landslide in Mudstone Using Coupled Finite and Discrete Element Analysis

Table 1

The input geomaterial parameters in FEA.

Geomaterial	Model	Unit weight^a ()	Poisson’s ratio^a	Cohesion^b (kPa)	Friction angle^b ()	Saturated hydraulic conductivity ()	Young’s modulus^a
Sliding zone	Mohr-Coulomb	21.58	0.25	16.4	17	5.5 × 10^−5	2 × 10^4
Nonslide zone	Mohr-Coulomb	21.58	0.25	1530	26.7	5.5 × 10^−5	2.273 × 10^5

^a[15], ^b[43, 44].