Analysis of Vibration of Cylinder Block by Reduced Impedance Method

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概要

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• Vibrations of cylinder blocks of diesel engines with 4 and 6 bores are analyzed by the reduced impedance method proposed by the authors. A cylinder block is divided into some component structures, and the mechanical impedances of each component are calculated by the finite element method. These impedances are reduced and composed to get a unified equation of motion. This equation is solved to get the natural modes and the natural frequencies of the total structure. On the other hand, the natural frequencies are detected experimentally, using the Fourier translations of the measured impact waves of the force and the acceleration. The natural modes are observed by the holographic technique with an argon gas laser. The calculated results agree well with the experimental ones.

• 一般社団法人日本機械学会の論文

著者

• Nagamatsu Akio

  Industrial Faculty Tokyo Institute Of Technology

• Nagamatsu Akio

  Industrial Department Tokyo Institute Of Technology

• HAYASHI Yutaka

  NIPPON KOGAKU K.K.

• ISHIHARA Akira

  KOMATSU Ltd.

関連論文

• Vibration Analysis of Movable Part of Internal Combustion Engine : Part.2 Combined System of Crank Shaft and Flywheel
• Analysis of Vibration by Component Mode Synthesis Method : Part.2 Forced Vibration, (I)
• Analysis of Vibration by Component Mode Synthesis Method : Part 1. Natural Frequency and Natural Mode, (I)
• Analysis of Vibration of Cylinder Block by Reduced Impedance Method
• Analysis of Vibration by Substructure Synthesis Method : Part 2 Development of Optimum Design System I
• Analysis of Vibration by Component Mode Synthesis Method : Part.3 Application to Cylinder Block of 4 Cylinders
• Vibration of Impellers : Part 1, Theoretical Analysis and Experiment of Vibration of Blades

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