steel bar passed through rigid joint

coupling rigid

Direct rigid method

Continuous Rigid Bridge

Continuous Rigid Frame

Global rigid particle

Continuous and rigid frame

3D rigid motion

interfacial rigid line

igniter rigid

Half rigid road

Internal rigid fixation

2D rigid body

inorganic rigid particle

fully rigid form

Half rigid pavement

inorganic Rigid Particles

continuous rigid bridges

additional rigid arm

Curve continuous rigid frame