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2010•Mechanical Management and DevelopmentRequires access

Rotator Critical Rotational Speed and Modali Analysis Based on ANSYS

Han Zhennan

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Abstract

In this paper, the modality of rotor is analyzed by the finite element software ANSYS, the intrinsic frequency and the vibration model is gotten. So it avoids generating common vibration while rotation speed for working is equal with the critical speed. At last, the peculiarity of rotor is assayed by critical rotation speed and vibration model. This analysis method provides a better method to calculus critical velocity of rotor.

About this research paper

What this paper is about

In this paper, the modality of rotor is analyzed by the finite element software ANSYS, the intrinsic frequency and the vibration model is gotten. So it avoids generating common vibration while rotation speed for working is equal with the critical speed. At last, the peculiarity of rotor is assayed by critical rotation speed and vibration model. This analysis method provides a better method to calculus critical velocity of rotor.

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Available abstract

In this paper, the modality of rotor is analyzed by the finite element software ANSYS, the intrinsic frequency and the vibration model is gotten. So it avoids generating common vibration while rotation speed for working is equal with the critical speed. At last, the peculiarity of rotor is assayed by critical rotation speed and vibration model. This analysis method provides a better method to calculus critical velocity of rotor.

Key concepts: Critical speed, Rotational speed, Rotor (electric), Vibration, Finite element method, Rotation (mathematics), Structural engineering, Angular velocity

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