EFFECT OF STRUCTURAL DAMPING ON CHAOTIC BEHAVIOR OF NONLINEAR PANEL FLUTTER

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POURTAKDOUST S.H.; FAZELZADEH S.A.

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Journal Paper

Paper Information

Journal: IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING Year:2003 | Volume:27 | Issue:B3 Page(s): 453-467

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Title

EFFECT OF STRUCTURAL DAMPING ON CHAOTIC BEHAVIOR OF NONLINEAR PANEL FLUTTER

Author(s)

POURTAKDOUST S.H. | FAZELZADEH S.A.

Keywords

AEROELASTICITY

BIFURCATION

CHAOS

NONLINEAR PANEL FLUTTER

STRUCTURAL DAMPING

Abstract

This paper investigates the effect of STRUCTURAL DAMPING on the chaotic behavior of
nonlinear panels in supersonic flow. The nonlinear governing equations, based on Von Karman’s
large deflection of isotropic flat plates, are considered with STRUCTURAL DAMPING. A first order piston
theory is utilized for aerodynamic panel loadings. The governing equation includes the effect of
constant axial loading in the panel middle surface plus a static pressure differential. The Galerkin
approach is used to transform the nonlinear governing equations into a set of nonlinear ordinary
differential equations. The resulting system of equations is solved through a numerical integration
scheme.
Static and dynamic BIFURCATION boundaries as well as panel limit cycles are determined for
various STRUCTURAL DAMPING coefficients. Chaotic analysis is performed using several criteria, results
indicate that STRUCTURAL DAMPING highly influences the panel stability boundary and limit cycle
amplitude as well as the domain of the chaotic region.

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APA: Copy

POURTAKDOUST, S.H., & FAZELZADEH, S.A.. (2003). EFFECT OF STRUCTURAL DAMPING ON CHAOTIC BEHAVIOR OF NONLINEAR PANEL FLUTTER. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, 27(B3), 453-467. SID. https://sid.ir/paper/529593/en

Vancouver: Copy

POURTAKDOUST S.H., FAZELZADEH S.A.. EFFECT OF STRUCTURAL DAMPING ON CHAOTIC BEHAVIOR OF NONLINEAR PANEL FLUTTER. IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING[Internet]. 2003;27(B3):453-467. Available from: https://sid.ir/paper/529593/en

IEEE: Copy

S.H. POURTAKDOUST, and S.A. FAZELZADEH, “EFFECT OF STRUCTURAL DAMPING ON CHAOTIC BEHAVIOR OF NONLINEAR PANEL FLUTTER,” IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING, vol. 27, no. B3, pp. 453–467, 2003, [Online]. Available: https://sid.ir/paper/529593/en

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