NDLI: Self-Pierced Rivet (SPR) Modeling in Aluminum Structure Crash Analysis

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Dan, X. Tang Barthelemy, Bruno Yuan, Heng
Copyright Year	2002
Abstract	A finite element method has been developed for modeling the characteristics of self-pierced rivets (SPR) in the aluminum parts and structures subjected to impact. It considers SPR elastic, inelastic and separation behaviors and was developed based on the coupon test results in lap shear, coach peel, and tension modes. The method consists of establishing baseline strength characteristics in the six degrees of freedom; and then modifying the baseline properties with coefficient factors (Ki) factors that influence the performance of SPR (thickness, differences in material, temperature, impact velocity, size of connection). The resulting combination is a material damage function that is utilized as the material properties of beam-type spring elements simulating the SPR connection in a FE model. The baseline properties and the equations for coefficient factors (Ki) developed in this study are provided. The material damage functions were developed in the RADIOSS environment, but can be applied to other codes as well. The method was validated at the component level using various configuration of a hat section tube. The CAE prediction using the new method correlates with the test results well in all the cases.
Sponsorship	Transportation
Starting Page	207
Ending Page	222
Page Count	16
File Format	PDF
ISBN	0791836568
DOI	10.1115/IMECE2002-39078
Volume Number	Transportation: Making Tracks for Tomorrow’s Transportation
Conference Proceedings	ASME 2002 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2002-11-17
Publisher Place	New Orleans, Louisiana, USA
Access Restriction	Subscribed
Subject Keyword	Computer-aided engineering Degrees of freedom Temperature Aluminum Rivets Railroad passenger cars Finite element methods Separation (technology) Modeling Finite element model Buses Materials properties Tension Damage Shear (mechanics) Springs
Content Type	Text
Resource Type	Article

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