Controlling initial contact status for general contact in Abaqus/Explicit

Initial clearances for surface interactions included in the general contact domain:

  • are set to zero automatically for small initial overclosures (e.g., for small penetrations caused by numerical roundoff when a graphical preprocessor such as Abaqus/CAE is used);

  • can be specified to resolve large initial overclosures that are not resolved automatically;

  • can be specified to separate entangled double-sided surfaces;

  • can be specified to model an initial gap between surfaces;

  • are enforced without creating any strains or momentum in the model;

  • should not be specified to correct gross errors in the mesh design; and

  • can be used to identify an initially bonded node set in crack propagation analyses.

The following topics are discussed:

Related Topics
About general contact in Abaqus/Explicit
In Other Guides
Producing a deformed shape plot