This load type is used to enforce time-varying displacements and rotations on a rigid body. Constant displacements or rotations on a rigid body can be enforced using the SPCR entry.
In general, it is not recommended to introduce an initial non-zero displacement at time zero. Instantaneous non-zero boundary conditions applied in an Explicit Dynamics analysis introduce very strong shocks into the model. If the magnitude of the displacement is large enough, the initial displacement can turn elements inside-out in the first-time increment.
To apply Rigid Motion (Explicit) on solid idealizations
- Select Rigid Motion (Explicit) from the Loads Type menu.
- Hover the mouse over the body, right-click > Select Other. A list of related bodies, faces and edges appears.
- Select the solid body to which to apply the load.
