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High Speed Deformation


High Speed Deformation - The Drop Tower 

The Process

Improved prediction of the performance of joints undergoing safety load cases in automotive body-in-white (BIW) structures is needed to give greater confidence in the design before physical parts and assemblies are produced. The aim of the work is to improve the fidelity of Computer Aided Engineering (CAE) models of Resistance Spot Weld (RSW) and Self Pierce Rivet (SPR) joints in typical substrates and for common joint configurations / material stack-ups.


The Benefits

An increased confidence in joint performance allows efficiencies in application of virtual testing technology to product development, for example a reduction in the number of unplanned safety tests. Greater confidence in the design at design freeze also supports reduced time, cost and risk in the NPI process both leading up to this point in a programme and subsequently where there is a reduced requirement for physical prototypes. Improved understanding of joint failure allows efficient use of joints and potentially weight savings within the BIW.




The Drop Tower

High Speed Camera

High Strain Rate Testing