期刊
COMPUTERS & MATHEMATICS WITH APPLICATIONS
卷 60, 期 3, 页码 520-527出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.camwa.2010.04.049
关键词
Fluid-conveying pipes; Homotopy perturbation method; Natural frequency
资金
- National High-tech R&D Program of China (863 Program) [SQ2009AA09Z3487852]
- National Natural Science Foundation of China [10672001]
In the present paper the natural frequencies of fluid-conveying pipes with pinned-pinned boundary condition are derived explicitly in a systematical and straightforward way with the help of homotopy perturbation method. Numerical results are presented for two cases and the effect of fluid flow velocity on the natural frequencies is discussed. Good agreement with their experimental and FEM counterparts is found numerically over ranges of practical interest. (C) 2010 Elsevier Ltd. All rights reserved.
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