The Calculation of Torsional Natural Frequencies of a Crank Shaft Using Analytical Wave Propagation Method
Publish place: The First Regional Conference of Mechanical Engineering
Publish Year: 1389
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
EASTTEHRANMECH01_224
تاریخ نمایه سازی: 2 اسفند 1389
Abstract:
In this paper, torsional natural frequencies of a crank shaft based on analytical wave propagation method are presented. The wave propagation method for a continuous system which has eccentricity is expanded in this work. This method avoids the necessity of having to assume some hypothetical mode shapes which is vital but at the same time, a restriction in some well-known methods as Rayleigh-Ritz and Stodala methods. This method also gives the frequency characteristic equation, by which all the frequencies could be calculated. This method also avoids the trial and error method of Myklestad and Holzer method, as well.
Keywords:
Modified Wave Approach , Reflection , Propagation and Transmission Functions , Torsional Natural Frequencies , Mode Shapes , Crank Shaft
Authors
Mohsen. Khoshbayani Arani۱
Phd student, Department of Mechanical and Aerospace Engineering, Science and Research Branch, Islamic Azad University, Tehran, Iran
Nima Rasekh Saleh۲
Phd student, Department of Mechanical and Aerospace Engineering, Science and Research Branch
Mansour Nikkhah Bahrami۳
Professor, Department of Mechanical Engineering, University of Tehran, Tehran
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