Research of Simplified B Pillar Model for Roof Crashworthiness

Tao Xu; Liang Hao; Yi Wen Li; Qiang Li

doi:10.4028/www.scientific.net/AMM.34-35.404

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 34-35Research of Simplified B Pillar Model for Roof...

Research of Simplified B Pillar Model for Roof Crashworthiness

Abstract:

The B pillar structure, which affects automotive roof crashworthiness, must have a perfect surrogate model to satisfy the early design demands. This work aims to explore the proper approach of simplified model construction. To create the simplified B pillar, the collapse theories of thin-walled hexagonal and channel beams under bending collapse are reviewed and applied to simulate the deforming behavior. Meanwhile, the simplified model is constructed from parallel connection of curved hexagonal and channel section beams. After distributing different rotational nonlinear springs, the same crashworthiness analyses are performed on both simplified and initial FE models to verify the simplified effects. The results demonstrate the potential of the approach and process proposed in developing the simplified model for the concept design of autobody.

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Periodical:

Applied Mechanics and Materials (Volumes 34-35)

Pages:

404-409

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.34-35.404

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Online since:

October 2010

Authors:

Tao Xu, Liang Hao, Yi Wen Li, Qiang Li

Keywords:

Autobody Structure, Crashworthiness, Energy Absorption, Nonlinear Finite Element Method, Simplified Model

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