INVESTIGADORES
CARDONA alberto
artículos
Título:
Fast Fourier Nonlinear Vibration Analysis
Autor/es:
ALBERTO CARDONA; ALBERT LERUSSE; MICHEL GERADIN
Revista:
COMPUTATIONAL MECHANICS
Editorial:
SPRINGER
Referencias:
Año: 1998 vol. 22 p. 128 - 142
ISSN:
0178-7675
Resumen:
We present an irnplernentation of the multiharmonie balance method (MHB) where intensive use of the Fast Fourier Transform algorithm (FFT) is rnade at all stages of calculations. The MHB method is not modified in essence, but computations are organized to obtain a very attractive method that can be applied systematically on general nonlinear vibration problerns. The resulting nonlinear algebraic problem is solved by a particular irnplementation of a continuation method. Nonlinear vibration results are analyzed a posteriori by a Floquet method to determine their stability. The technique is applied on a series of problems of different nature, demonstrating the robustness and ftexibility of the approach.
