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- Title
AN ENHANCED TECHNIQUE FOR ANALYZING STRUCTURAL VIBRATION PROBLEMS UNDER SHOT NOISE LOADING.
- Authors
BARATTA, ALESSANDRO; CORBI, OTTAVIA
- Abstract
The present paper deals with dynamic nonlinear systems loaded by badly defined forcing actions. As an improvement on the first approximate procedure developed by the authors, a more feasible and reliable alternative entropic closure approach is presented herein. Such a procedure allows one to deal with high order nonlinearities, and it can be suitably generalized to treating multi-degree of freedom (MDOF) systems. In fact, the effectiveness of the proposed approach is intricately linked to the exact calculation of some multiple integrals related to the approximate expression of the chosen response probability function. To this end, a procedure that can guarantee high accuracy in the computation of integrals is also studied, which helps in validating the whole approach.
- Subjects
NONLINEAR systems; VIBRATION (Mechanics); VIBRATION measurements -- Instruments; LOADING &; unloading; STRUCTURAL dynamics; RESEARCH
- Publication
International Journal of Structural Stability & Dynamics, 2005, Vol 5, Issue 4, p597
- ISSN
0219-4554
- Publication type
Article
- DOI
10.1142/S021945540500174X