Internal Resonance in a Rotating Shaft System : The Coincidence of Two Critical Speeds for Subharmonic Oscillation of the Order l/2 and Synchronous Backward Precession

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概要

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• We discuss vibration phenomena due to an internal resonance in a symmetrical rotating shaft system with nonlinear spring characteristics. Especially, we treat the case that the critical speeds of a subharmonic oscillation of the order 1/2 and a synchronous backward precession coincide with each other. It is revealed that these two kinds of oscillations are coupled by some kinds of nonlinear components expressed by polar coordinates and that unique shapes of resonance curves appear due to the internal resonance. For example, several resonance curves appear in some rotating speed ranges, the region where the subharmonic oscillation occurs is separated into two parts.

• 一般社団法人日本機械学会の論文

著者

• Yamamoto Toshio

  Faculty Of Engineering Nagoya University

• 池田 高志

  東京工業大学大学院理工学研究科

• Ishida Yukio

  Nagoya University Department Of Electronic Mechanical Engineering

• Ishida Yukio

  Faculty Of Pharmaceutical Sciences The University Of Tokushima:faculty Of Home Economics Shikoku Wom

• Ishida Yukio

  Faculty Of Ceneral Education Nagoya University

• Ikeda T

  Nagoya Univ. Nagoya

• Yamamoto Tetsu

  Industrial Electronics And Systems Development Lab. Mitsubishi Electric Corporation

• Yamamoto Toshio

  Meijo University

• IKEDA Takashi

  Faculty of Engineering, Nagoya University

• AKITA Tetsuyoshi

  Toyota Motor Co., Ltd.

• Akita Tetsuyoshi

  Toyota Motor Co. Ltd.

• Ikeda Takashi

  Faculty Of Agriculture Meiji University

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