On the dynamics of free and excited oscillations of a simple portal frame foundation
✍ Scribed by Márcio José Horta Dantas; José Manoel Balthazar
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 249 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0093-6413
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✦ Synopsis
In this paper we search for the dynamics of a simple portal structure in the free and in the periodic excitation cases. By using the Center Manifold approach and Averaging Method, we obtain results on both stability and bifurcation of equilibrium points and periodic orbits.
📜 SIMILAR VOLUMES
An analytical study of the nonlinear vibrations in a three-time redundant portal frame is presented herewith, considering the effect of the axial forces caused by the static loading upon the first anti-symmetrical mode (sway) and the first symmetrical mode natural frequencies. It is seen that the ax
Ž 4 . Numerical experiments with a nonlinear x oscillator which has its harmonic frequency changing randomly with time reveal certain interesting features of its dynamics of quantum evolution. When s 0, the level populations are seen to oscillate. But, as the Ž . nonlinear coupling is switched on )