A certain approximate solutions of nonlinear flutter equation

• Autorzy: Grzędziński J.
• Języki publikacji: EN

Abstrakty

EN

A nonlinear integro-differential flutter equation of a thin airfoil placed in an incompressible flow is solved by two different methods. The first method involves the center-manifold reduction and gives the asymptotic limit cycle amplitude and frequency in terms of power series expansions. The second method replaces the integro-differential equation by an approximate set of first-order ordinary differential equations which are solved by using bifurcation and continuation software package. A comparison of these two methods shows that the domain of a good agreement between them varies significantly depending on the parameters of the problem.

Słowa kluczowe

EN

nonlinear equation; difference equation; aproximation

PL

równanie nieliniowe; równanie różnicowe; aproksymacja

• Wydawca: Instytut Podstawowych Problemów Techniki PAN
• Czasopismo: Engineering Transactions
• Rocznik: 1999
• Tom: Vol. 47, iss. 1
• Strony: 39--55
• Opis fizyczny: Bibliogr. 8 poz., wykr.

Twórcy

autor

Grzędziński J.

• Polish Academy of Sciences, Institute of Fundamental Technological Research [Polska Akademia Nauk, Instytut Podstawowych Problemów Techniki], 00-049 Warszawa, ul. Świętokrzyska 21