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Development of a Strength Prediction Technique for Automotive Exhaust Systems

Article of Honda R&D Technical Review Vol.12 No.2

Summary

A technique has been devised for predicting the strength of an automotive exhaust system in relation to the rotational force input from the torque reaction force of the engine.
Conventional static analysis conducted using the Finite Element Method (FEM) has been replaced by techniques for dynamic analysis that treat the force input accompanying large transient displacement as a forced displacement, and techniques that take into account the nonlinear nature of mounting rubbers, flexible joints, and so on. As a result, it has become possible to predict the strength of exhaust systems with greater accuracy, and to apply these techniques as development support tools.

Reference

(1) Kihachirou Tanaka, Syouzou Saegusa: Vibration model and simulation, Sangyoukagaku Systems Co., Ltd., p.130-137 (1995) (Written in Japanese)
(2) Hisayoshi Satou: Basis and application of modal analysis, MARUZEN Co., Ltd., p.68-74, p.156-161 (1990) (Written in Japanese)
(3) Hayato Togawa: Vibration analysis with finite element method, SCIENCE Co., Ltd., p.34-44 (1997) (Written in Japanese)
(4) Toshio Miyoshi, Masaki Shiratori, Juhachi Oda: Academic basis material dynamics, Jikkkyou Publishing Co., Ltd., p.77-84 (1984) (Written in Japanese)
(5) The Japan Society of Mechanical Engineers: JSME Handbook for mechanical engineers, The Japan Society of Mechanical Engineers, p.1-9, p.31-40, p.88-90, p.126-145 (1977) (Written in Japanese)
(6) Handbook for strength calculation of mechanical element, Morikita Publishing Co., Ltd., p.109-169 (1978)
(7) Hiroichi Fujita: Nonlinear problems, Corona Publishing Co., Ltd., p.39-46 (1984) (Written in Japanese)

Author (organization or company)

Takumi TAKAKAMO(Tochigi R&D Center)、Masahiko HIGUCHI(Tochigi R&D Center)、Hiroshi NAKAGAWA(Tochigi R&D Center)、Youtarou UKAI(Tochigi R&D Center)、Ayumu ISHIZUKA(Tochigi R&D Center)

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