Flutter speed estimation using presented differential quadrature method formulation

Mohammad Ghalandari; Shahaboddin Shamshirband; Amir Mosavi; Kwok wing Chau

doi:10.1080/19942060.2019.1627676

Flutter speed estimation using presented differential quadrature method formulation

Mohammad Ghalandari, Shahaboddin Shamshirband, Amir Mosavi, Kwok wing Chau

Research output: Journal article publication › Journal article › Academic research › peer-review

78 Citations (Scopus)

Abstract

In this paper the flutter behavior of a typical wing is investigated. The study is performed by presented Deferential Quadrature Method (DQM). The aerodynamic part adopted Wagner functions to model subsonic regime. Quasi steady and unsteady aerodynamics are considered to estimate the instability speed of the structure. Based on the presented model, a code is developed, for an arbitrary typical section beam. The obtained results validated the existing methods in the literature. The proposed method provides the advantage of finding the modes of oscillation and other dynamic parameters with less than 0.2% difference.

Original language	English
Pages (from-to)	804-810
Number of pages	7
Journal	Engineering Applications of Computational Fluid Mechanics
Volume	13
Issue number	1
DOIs	https://doi.org/10.1080/19942060.2019.1627676
Publication status	Published - 1 Jan 2019

Keywords

aero-elasticity
aerodynamic
airfoil
computational fluid dynamics (CFD)
deferential quadrature method (DQM)
flutter speed prediction
subsonic regime
typical section beam
wing design

ASJC Scopus subject areas

General Computer Science
Modelling and Simulation

More information

10.1080/19942060.2019.1627676

http://hdl.handle.net/10397/81372

Cite this

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title = "Flutter speed estimation using presented differential quadrature method formulation",

abstract = "In this paper the flutter behavior of a typical wing is investigated. The study is performed by presented Deferential Quadrature Method (DQM). The aerodynamic part adopted Wagner functions to model subsonic regime. Quasi steady and unsteady aerodynamics are considered to estimate the instability speed of the structure. Based on the presented model, a code is developed, for an arbitrary typical section beam. The obtained results validated the existing methods in the literature. The proposed method provides the advantage of finding the modes of oscillation and other dynamic parameters with less than 0.2% difference.",

keywords = "aero-elasticity, aerodynamic, airfoil, computational fluid dynamics (CFD), deferential quadrature method (DQM), flutter speed prediction, subsonic regime, typical section beam, wing design",

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AU - Shamshirband, Shahaboddin

AU - Mosavi, Amir

AU - Chau, Kwok wing

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Y1 - 2019/1/1

N2 - In this paper the flutter behavior of a typical wing is investigated. The study is performed by presented Deferential Quadrature Method (DQM). The aerodynamic part adopted Wagner functions to model subsonic regime. Quasi steady and unsteady aerodynamics are considered to estimate the instability speed of the structure. Based on the presented model, a code is developed, for an arbitrary typical section beam. The obtained results validated the existing methods in the literature. The proposed method provides the advantage of finding the modes of oscillation and other dynamic parameters with less than 0.2% difference.

AB - In this paper the flutter behavior of a typical wing is investigated. The study is performed by presented Deferential Quadrature Method (DQM). The aerodynamic part adopted Wagner functions to model subsonic regime. Quasi steady and unsteady aerodynamics are considered to estimate the instability speed of the structure. Based on the presented model, a code is developed, for an arbitrary typical section beam. The obtained results validated the existing methods in the literature. The proposed method provides the advantage of finding the modes of oscillation and other dynamic parameters with less than 0.2% difference.

KW - aero-elasticity

KW - aerodynamic

KW - airfoil

KW - computational fluid dynamics (CFD)

KW - deferential quadrature method (DQM)

KW - flutter speed prediction

KW - subsonic regime

KW - typical section beam

KW - wing design

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Flutter speed estimation using presented differential quadrature method formulation

Abstract

Keywords

ASJC Scopus subject areas

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