16.3 Changes in Abaqus user subroutines

This section summarizes the changes and the additions that have been made to user subroutines that can be used in an Abaqus model.

new(S)  FRIC_COEF

User-defined friction coefficient for contact surfaces.

new(S)  UELMAT

User-defined element with access to Abaqus materials.

new(E)  VFRIC_COEF

User-defined friction coefficient for contact surfaces.

new(E)  VFRICTION

User-defined frictional behavior for contact surfaces.

new(E)  VUINTERACTION

User-defined interaction between contact surfaces.

new(E)  VUVISCOSITY

User-defined shear viscosity.