Step Hole

Restriction: Available in Abaqus, Nastran, and OptiStruct.

Abaqus

This realization creates a B31 element for the bolt shaft and connects to the solids' nodes with numerous KINCOUP rigid elements based on the given bolt/hole parameters. It connects two solids through holes, or it connects one solid through a hole with a solid blind hole.

Nastran and OptiStruct

This realization creates a CBAR element for the bolt shaft, and connects to the solids' nodes with numerous RBE2 based on the given bolt/hole parameters. It also connects two solids through holes, or it connects one solid through a hole with a solid blind hole.

This realization uses the prop_stepboltholes.tcl property script.

Figure 1.