Differential quadrature method to stability analysis of pipes conveying fluid with spring support |
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Authors: | Ni Qiao and Huang Yuying |
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Affiliation: | (1) Department of Mechanics, Huazhong University of Science and Technology, 430074 Wuhan, China |
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Abstract: | It is a new attempt to extend the differential quadrature method (DQM) to stability analysis of the straight and curved centerline pipes conveying fluid. Emphasis is placed on the study of the influences of several parameters on the critical flow velocity. Compared to other methods, this method can more easily deal with the pipe with spring support at its boundaries and asks for much less computing effort while giving aceptable precision in the numerical results. Supported by National Key Project of China (No. PD9521907) and the National Science Foundation of China (No. 19872025). |
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Keywords: | pipes conveying fluid differential quadrature method critical flow velocity flutter |
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