The Latest Technology of Polycrystalline Ferroelectric Composite Materials in the Design of the Shovel Frame Structure of the Vibratory Excavating Shovel of the Harvester

Table 1

Discrete element simulation parameters.

Parameter	Numerical value
Soil particle radius (m)	0.001~0.003
Number of simulated soil particles	400000
Soil density (kg/m^2)	1540
Soil Poisson’s ratio	0.3
Soil shear modulus (Pa)
Digging shovel density (kg/m)	7890
Poisson’s ratio of digging shovel	0.269
Shear modulus of shovel (Pa)
Time step (s)
Total simulation time (s)	52~53