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摘要
This paper focuses on analysis of damage influence on dynamical behaviour of beams. Finite Element Method was used to simulate vibrations of beams under three variants of boundary conditions: a cantilever beam, a simply-supported beam and a symmetrically clamped beam. Analysis of natural frequencies of both intact and damaged beams was performed in order to observe the effect of damage on the beams dynamics. Next, recurrence plot technique was applied. Finally, experimental verification is performed to check the numerical results.
- 出版日期2015
