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Volume 3286, Issue 1
17 June 2025
VI INTERNATIONAL SCIENTIFIC CONFERENCE CONSTRUCTION MECHANICS, HYDRAULICS & WATER RESOURCES ENGINEERING (CONMECHYDRO 2024)
25–27 April 2024
Karshi, Uzbekistan
Research Article| June 17 2025
S. Y. Leonov;
S. Y. Leonov
1
National Technical University “Kharkiv Polytechnic Institute”
, Kharkiv,
Ukraine
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B. A. Khudayarov;
B. A. Khudayarov a)
2
“Tashkent Institute of Irrigation & Agricultural Mechanization Engineers” National Research University
, Tashkent,
Uzbekistan
a)Corresponding author: [emailprotected]
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K. Sh. Ruzmetov;
K. Sh. Ruzmetov
3
Tashkent State Agrarian University
, Tashkent,
Uzbekistan
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Kh. Komilova;
Kh. Komilova
2
“Tashkent Institute of Irrigation & Agricultural Mechanization Engineers” National Research University
, Tashkent,
Uzbekistan
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F. Turaev;
F. Turaev
2
“Tashkent Institute of Irrigation & Agricultural Mechanization Engineers” National Research University
, Tashkent,
Uzbekistan
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E. Yusupov;
E. Yusupov
2
“Tashkent Institute of Irrigation & Agricultural Mechanization Engineers” National Research University
, Tashkent,
Uzbekistan
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N. Yuldashev
N. Yuldashev
2
“Tashkent Institute of Irrigation & Agricultural Mechanization Engineers” National Research University
, Tashkent,
Uzbekistan
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Author & Article Information
S. Y. Leonov 1
,
B. A. Khudayarov 2,a)
,
K. Sh. Ruzmetov 3
,
Kh. Komilova 2
,
F. Turaev 2
,
E. Yusupov 2
,
N. Yuldashev 2
1
National Technical University “Kharkiv Polytechnic Institute”
, Kharkiv,
Ukraine
2
“Tashkent Institute of Irrigation & Agricultural Mechanization Engineers” National Research University
, Tashkent,
Uzbekistan
3
Tashkent State Agrarian University
, Tashkent,
Uzbekistan
a)Corresponding author: [emailprotected]
AIP Conf. Proc. 3286, 030001 (2025)
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Citation
S. Y. Leonov, B. A. Khudayarov, K. Sh. Ruzmetov, Kh. Komilova, F. Turaev, E. Yusupov, N. Yuldashev; Aerodynamic stability of viscoelastic cylindrical panels when flown around by supersonic gas flow with consideration of the sweep angle. AIP Conf. Proc. 17 June 2025; 3286 (1): 030001. https://doi.org/10.1063/5.0281774
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The problem of flutter of cylindrical panels when flown around by a supersonic gas flow, considering the sweep angle is examined in the article. Numerical modeling of the nonlinear flutter problem was conducted in the case of the hinged edges of a cylindrical panel. A method for studying the effect of wing sweep on the characteristics of the dynamic aeroelasticity of an aircraft is proposed and substantiated. An algorithm based on the elimination of integro-differential equations with singular kernels was developed to study the characteristics of aeroelasticity and flutter of structures. New results were obtained on the effect of panel sweep on the characteristics of dynamic aeroelasticity, frequency, and shape of viscoelastic vibrations of a cylindrical panel. It was revealed that the amplitude and frequency of panel vibrations are very sensitive to changes in the flow angle. The critical flutter velocity increases greatly with increasing flow angle. It was determined that when the singularity parameter increases from 0.2 to 0.75, the critical flutter value increases by 1.2 times.
Topics
Aircraft, Numerical methods, Integro-differential equation, Aerodynamics, Viscoelasticity
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