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Free-vibrational analysis of rotatin...

Hashemi, Seyed Mohammad.

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Free-vibrational analysis of rotating beam-like structures: A dynamic finite element approach.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Free-vibrational analysis of rotating beam-like structures: A dynamic finite element approach./
作者:	Hashemi, Seyed Mohammad.
出版者:	Ann Arbor : ProQuest Dissertations & Theses, : 1998,
面頁冊數:	247 p.
附註:	Source: Dissertation Abstracts International, Volume: 60-03, Section: B, page: 1266.
Contained By:	Dissertation Abstracts International60-03B.
標題:	Mechanical engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NQ36276
ISBN:	9780612362765

Free-vibrational analysis of rotating beam-like structures: A dynamic finite element approach.
Hashemi, Seyed Mohammad.

Free-vibrational analysis of rotating beam-like structures: A dynamic finite element approach. - Ann Arbor : ProQuest Dissertations & Theses, 1998 - 247 p.

Source: Dissertation Abstracts International, Volume: 60-03, Section: B, page: 1266.

Thesis (Ph.D.)--Universite Laval (Canada), 1998.

In this research, a new methodology called the Dynamic Finite Element (DFE) method, was developed to study the free vibration of beam-like structures, which usually have non-coincident elastic and inertial axes. The DFE approach can be presented as an intermediate approach between the classical Finite Element Method (FEM) and the 'exact' Dynamic Stiffness Matrix (DSM) formulation.

ISBN: 9780612362765Subjects--Topical Terms:

649730
Mechanical engineering.

Free-vibrational analysis of rotating beam-like structures: A dynamic finite element approach.
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245 1 0 $a Free-vibrational analysis of rotating beam-like structures: A dynamic finite element approach.
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300 $a 247 p.
500 $a Source: Dissertation Abstracts International, Volume: 60-03, Section: B, page: 1266.
500 $a Adviser: Marc J. Richard.
502 $a Thesis (Ph.D.)--Universite Laval (Canada), 1998.
520 $a In this research, a new methodology called the Dynamic Finite Element (DFE) method, was developed to study the free vibration of beam-like structures, which usually have non-coincident elastic and inertial axes. The DFE approach can be presented as an intermediate approach between the classical Finite Element Method (FEM) and the 'exact' Dynamic Stiffness Matrix (DSM) formulation.
520 $a Interesting features of the exact DSM formulation are exploited to find the frequency dependent trigonometric shape functions. The Virtual Work Principle (VWP) is then derived in which the effects of variable parameters can be included.
520 $a The DFE approach was applied to the out-of-plane (flapping) and in-plane (lead-lag) free vibration analysis of rotating uniform beams with different configurations. A linearly tapered rotating blade was also investigated. A group of different configurations such as straight closed-section beam-like wings and planar wings are also studied. The results agreed very well with those obtained from the 'exact' DSM approach. Comparing with the FEM, much better rates of convergence were obtained by the DFE method. The free bending-torsion vibration of axially loaded beams was also investigated. Finally, the DFE methodology was extended for the free vibration analysis of rotating blade-like systems with different Coriolis coupling effects.
590 $a School code: 0726.
650 4 $a Mechanical engineering. $3 649730
650 4 $a Mechanics. $3 525881
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