AN APPROACH FOR MODELING SPOT-WELDED JOINTS IN AN ENERGY FINITE ELEMENT FORMULATION

摘要

A numerical methodology was developed for modeling spot-welded joints in an EFEAformulation. A numerical approach utilized in the past in the SEA for computing the energytransferred between members and the coupling loss factors, was employed in this project forcomputing the energy transferred between spot-welded members. This information was utilizedfor adapting the values of the transmission and reflection coefficients in an EFEA formulation.Numerical results for three sets of plates, fully welded, spot-welded at 2” intervals, and spotweldedat 4” intervals were utilized to validate the development.