Simulation of Automobile Structural Member Deformation and Crash via Isogeometric Analysis

Author:

Yokoyama Yuta12,Nagasaka Kei3,Masuda Idemitsu3,Sugiyama Hirofumi1ORCID,Okazawa Shigenobu12

Affiliation:

1. Department of Mechanical Engineering, University of Yamanashi, 4-3-11 Takeda, Kofu 400-8511, Yamanashi, Japan

2. Diver Technology Corporation, Project Research Center 205, University of Yamanashi, 4-3-11 Takeda, Kofu 400-8511, Yamanashi, Japan

3. Suzuki Motor Corporation, 300 Takatsuka, Chuo, Hamamatsu 432-8611, Shizuoka, Japan

Abstract

We conducted an isogeometric analysis (IGA) to evaluate the performance of automobile structural member deformation and crash. In automobile crash analysis, ensuring the accuracy of the acceleration, velocity, and load in time series, as well as the structural deformation behavior, is important. To maintain the aforementioned consistency, accurately reproducing the bending and buckling of structural members is indispensable. In this study, we firstly computed the bending and buckling of structural members using IGA and validated its performance by comparing the results with those of a conventional finite element analysis and experiments. In addition, we utilized IGA for the crash analysis of an automobile body.

Publisher

MDPI AG

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