Activate the seamless explicit/implicit switch during stamping simulation. The solver will activate implicit springback analysis after the explicit stamping simulation is completed. If checkbox of Seamless option is toggled on, the user can set the springback constraint and define Implicit parameters illustrated in Figure 10.17.5.

Figure 10.17.5  Implicit Parameters dialog box

Note: Refer to keyword *CONTROL_IMPLICIT_OPTIONAL described in LS-DYNA Keyword User's Manual.