abaqus离散元沙漏模型

*Particle Generator, name=dem1, type=PD3D,

Maximum Number of Particles=2000

*Particle Generator Inlet, surface=inlet1

*Particle Generator Mixture

dem1,

*Discrete Section, elset=dem1, density=0.25, alpha=7.0

PDF1,

*Discrete Elasticity

2.0E+10, 0.25

*Probability Density Function, name=PDF1, TYPE=DISCRETE

0.5, 1.0

______

*Particle Generator Flow, generator=Particle1-1.dem1

FlowSpeed, MassFlow

** 

*Contact

*Contact Controls Assignment, rotational terms=STRUCTURAL

*Contact Inclusions

dem1, loudou-1.in

dem1, dem1

*Contact Property Assignment

dem1, loudou-1.in, P1F

dem1, dem1, P11

*dload

particle1-1.dem1, GRAV, 9800., 0., -1., 0.