User subroutine to define frictional behavior for contact surfaces.

User subroutine FRIC:

  • can be used to define the frictional behavior between contacting surfaces;

  • can be used when the extended versions of the classical Coulomb friction model provided in Abaqus are too restrictive and a more complex definition of shear transmission between contacting surfaces is required;

  • will be called at points on the slave surface of a contact pair and at the integration points in a contact element (only when the contact point is closed) for which the contact interaction property model contains user-subroutine-defined friction;

  • must provide the entire definition of shear interaction between the contacting surfaces; and

  • can use and update solution-dependent state variables.

The following topics are discussed:

Related Topics
In Other Guides
Frictional behavior
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