It is known that an efficient approach for modal identification of a weakly non-linear multidimensional second-order dynamical system consists of using a model based on equivalent stochastic linearisation with constant coefficients. Such a model leads to a good identification of the total power of t
โฆ LIBER โฆ
MODAL ANALYSIS OF MECHANICAL SYSTEMS WITH IMPACT NON-LINEARITIES: LIMITATIONS TO A MODAL SUPERPOSITION
โ Scribed by C.H. LAMARQUE; O. JANIN
- Publisher
- Elsevier Science
- Year
- 2000
- Tongue
- English
- Weight
- 438 KB
- Volume
- 235
- Category
- Article
- ISSN
- 0022-460X
No coin nor oath required. For personal study only.
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In this paper, a method is proposed for modelling large de#ection beam response involving multiple vibration modes. Signi"cant savings in computational time can be obtained compared with the direct integration non-linear "nite element method. The de#ections from a number of static non-linear "nite e