In the present paper, a 3-D homogenized model for beam bundle in fluid is developed and formulated in terms of fluid velocity potential and displacement of beams as fundamental unknowns. It can be seen that the homogenized model is associated with a set of finite element equations in the form of a conservative gyroscopic system. Based on these equations, an algorithm for the modal analysis and the dynamic response analysis of the beam bundle is also given. It is found that both the displacement and the fluid pressure response of the bundle have a similar relation with time, but different amplitudes.
Modal Analysis for Beam Bundle in Fluid
Contributed by the Pressure Vessels and Piping Division for publication in the jpv. Manuscript received by the PVP Division, November 24, 1999; revised manuscript received August 31, 2001. Associate Editor: G. Hulbert.
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Zhang, R. J., Wang, W. Q., Hou, S. H., and Chan, C. K. (May 1, 2002). "Modal Analysis for Beam Bundle in Fluid ." ASME. J. Pressure Vessel Technol. May 2002; 124(2): 223–228. https://doi.org/10.1115/1.1427341
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