Vibrations and stability of a biself-excited surface structure in supersonic flow subjected to a follower force

• Autorzy: Dżygadło Z. , Nowotarski I. , Olejnik A.
• Języki publikacji: EN

Abstrakty

EN

A surface structure in supersonic flow having a deformable support and subjected to a follower compressing force, which preserves its direction tangential to the deformed surface, is a biself-excited system enclosing two independent physical factors being the reason of self-excited vibrations. In the paper, a study of vibrations and stability of such a structure is presented using the example of a rectangular plate in one-side supersonic flow subjected to a follower force. The plate is considered under the assumption that the conditions of rigid support are satisfied at the plate edges parallel to the unperturbed flow direction. One of the remaining edges is clamped, while the second one has a deformable support. For comparison, the results of analysis in the case of a plate of finite length and infinite width are also presented. A number of numerical calculations have been performed. The analysis indicates a variety of phenomena resulting from simultaneous action of the two independent factors decisive for self-excitation of the structure under consideration.

Słowa kluczowe

PL

przepływ naddźwiękowy; aerodynamika; aerosprężystość struktury powierzchniowej; drganie powierzchni; stabilność powierzchni

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Journal of Technical Physics
• Rocznik: 2003
• Tom: Vol. 44, no 4
• Strony: 349--362
• Opis fizyczny: Bibliogr. 11 poz., rys., wykr.

Twórcy

autor

Dżygadło Z.

• Military University of Technology, Aviation Institute, Warsaw, Poland

autor

Nowotarski I.

• Military University of Technology, Aviation Institute, Warsaw, Poland

autor

Olejnik A.

• Military University of Technology, Aviation Institute, Warsaw, Poland

Bibliografia

• 1. Z. DŻYGADŁO, Vibration of a rectangular plate forced by a harmonically varying or nonstationary pressure in three-dimensional supersonic flow, Proc. Vibr. Probl., 9, 3, 1968.
• 2. Z. DŻYGADŁO, On nonautonomous boundary value problems of plates oscillating in supersonic flow, Fluid Dynamics TYansactions, 4, PWN, Warszawa 1969.
• 3. Z. DŻYGADŁO, L. SOLARZ, On nonautonomous vibrations of a self-excited system with tangential force, Proc. Vibr. Probl., 11, 2, 1970.
• 4. Z. DŻYGADŁO, A. KRZYŻANOWSKI, Self-excited and forced vibrations of an aeroelastic system subject to a follower force, Proc. Vibr. Probl., 13, 3. 1972.
• 5. Z. DŻYGADŁO, I. NOWOTARSKI, A. OLEJNIK, Analysis of self-excited and forced vibrations of a cylindrical shell in supersonic flow, Jour. Tech. Phys., 17, 1, 1976.
• 6. K. HIGUCHI, E.H. DOWELL, Effect of structural damping on flutter of plates with follower force, AIAA Journal 30, 3, 1992.
• 7. CHEN LIEN-WEN, KU DER-MING, Stability of elastic systems under follower forces, AIAA Journal, 30, 3, 1992.
• 8. Z. DŻYGADŁO, I. NOWOTARSKI, A. OLEJNIK, Vibrations of a plate in supersonic flow subjected to a follower force, 2-nd International Confence EAHE, Engineering, Aero-Hydroelasticity Pilzen, Czech Republic, June 6-10, 1994.
• 9. Z. DŻYGADŁO, I. NOWOTARSKI, A. OLEJNIK, Vibrations and stability limits of a plate in supersonic flow subjected to a follower force, Computer Methods in Mechanics, Proceedings, XII Polish Conference, Warsaw-Zegrze, Poland, May 9-13, 1995.
• 10. Z. DŻYGADŁO, I. NOWOTARSKI, A. OLEJNIK, Vibrations and stability of a plate in supersonic flow subjected to a follower force [in Polish], Papers IL 4/98, (155), 1998.
• 11. Z. DŻYGADŁO, I. NOWOTARSKI, A. OLEJNIK, Nonlinear, regular and chaotic vibrations of a plate in supersonic flow, J. Tech. Phys., 41, 4, 361-374, 2000.