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title

Free vibration analysis of functionally graded structures using a generalized isogeometric analysis approach

Credit to Download: 1 | Page Numbers 8 | Abstract Views: 954
Year: 2012
COI code: ISAV02_228
Paper Language: English

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Authors Free vibration analysis of functionally graded structures using a generalized isogeometric analysis approach

  Alireza H. Taheri - Mechanical Engineering Department, Ferdowsi University of Mashhad, Azadi square
Mohammad H. Abolbashari -
Behrooz Hassani -
  Nasser Z Moghaddam - Civil EngineeringIinstitute, Technical and Vocational University of Mashhad (Shahid M.Montazeri), Piroozi Blvd., 9176994594, Mashhad, Iran

Abstract:

In this research, we introduce a new methodology based on isogeometric analysis approach to address the free vibrations of functionally graded plane elasticity problems. The proposedmethod which can be considered as the generalization of the well-known isogeometric analysis method to variable elasticity, employs a fully isogeometric formulation for construction ofthe geometry, approximation of the solution, and modeling the variations of material properties.Due to the possibility of simultaneously modeling of the structural shape, material distribution, and structural analysis, the proposed non-uniform rational B-Splines (NURBS)based analysis constitutes an important tool for studying integrated modeling and analysis ofFGMs. Functionally graded materials are briefly introduced and the recently developed isogeometric analysis numerical method is concisely explained. A few numerical examples arepresented and compared to available exact elasticity solutions as well as the finite elements,to demonstrate the performance and efficiency of the proposed method in this type of fieldproblems. It is shown that the difficulties encountered in the finite element analysis of FGMsare alleviated to a large degree by employing the mentioned method.

Keywords:

Generalized isogeometric; Functionally graded materials; Free vibration

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COI code: ISAV02_228

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Taheri, Alireza H.; Mohammad H. Abolbashari; Behrooz Hassani & Nasser Z Moghaddam, 2012, Free vibration analysis of functionally graded structures using a generalized isogeometric analysis approach, 2nd International Conference on Acoustics and Vibration, تهران, دانشگاه صنعتي شريف, https://www.civilica.com/Paper-ISAV02-ISAV02_228.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Taheri, Alireza H.; Mohammad H. Abolbashari; Behrooz Hassani & Nasser Z Moghaddam, 2012)
Second and more: (Taheri; Abolbashari; Hassani & Moghaddam, 2012)
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Type: state university
Paper No.: 25104
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