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Load Path Analysis of Vehicle Body Structures under Eigenmode Deformation of Bending Vibration
Technical Paper
2009-01-0770
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The load path U* analysis is an effective tool for investigating the load paths in body structures. In the present study, a new index U** is introduced to investigate structures under distributed loading. The new parameter U** is a complementary concept of U*. Although the conventional index U* cannot be applied to cases of distributed loading conditions, the new index U** can be applied to those cases.
This paper describes the application of a load path U** analysis to improve efficiently the first eigenvalue of the vertical bending mode in a vehicle body structure model. It also explains how target parts for shape optimization are interpreted on the basis of a load path U** analysis when a load is applied to reproduce the first vertical bending mode.
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Authors
Citation
Okano, Y., Matsunaga, T., Maruyama, S., Hanazato, M. et al., "Load Path Analysis of Vehicle Body Structures under Eigenmode Deformation of Bending Vibration," SAE Technical Paper 2009-01-0770, 2009, https://doi.org/10.4271/2009-01-0770.Also In
References
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- Sakurai, T., et al. Load Path Optimization and U* Structural Analysis for Passenger Car Compartments under Frontal Collision Preprints of International Body Engineering Conference 2003 181 186
- Wang, Enyang Zhang, Xiaoguang Takahashi, K. Load Path U* Analysis of Square Pipe under Collision Society of Automotive Engineers of Japan Spring Conference 2007 No. 17-07
- Sakurai, T. Takahashi, K. Kawakami, H. Abe, M. Reduction of Calculation Time for Load Path U* Analysis of Structures Journal of Solid Mechanics and Materials Engineering 2007 1 No. 11 1322 1330
- http://www.quint.co.jp/eng/pro/ots/index.htm