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Macro for Automatically Applying Bolt Bearing Loads to Fastener Holes

Abstract:

Fatigue analysis requires an accurate stress estimate inside fastener holes. Using constraint equations in fastener holes to connect parts will provide the loads in the fastener hole but the stresses will not be accurate. A macro was developed that will allow the user to quickly replace the constraint equations with pressure loads to create an equivalent and balanced model that can then be used to obtain accurate stresses inside the fastener hole.

 

This presentation was given by Kevin Smalley, Stress Analyst, for ITT Corporation, Defense Systemsas part  of the ANSYS Users Group Meeting, held by CAE Associates on September 28, 2010.