HYDRODYNAMIC INTERACTIONS BETWEEN TWO BODIES

On the basis of model tests, potential flow theory, and viscous Computational Fluid Dynamics （CFD） method, the hydrodynamic interactions between two underwater bodies were investigated to determine the influencing factors, changing rule, interaction mechanism, and appropriate methods describing them...

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Published in:Journal of Hydrodynamics 2007-12, Vol.19 (6), p.784-785
Main Author: CHENG, Li
Format: Article
Language:English
Subjects:
hydrodynamic interactions
Kutta condition
model test
panel method
unsteady flow
UUV
wall effect
模型测试
流体动力学相互作用
计算流体力学
非稳定流
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description On the basis of model tests, potential flow theory, and viscous Computational Fluid Dynamics （CFD） method, the hydrodynamic interactions between two underwater bodies were investigated to determine the influencing factors, changing rule, interaction mechanism, and appropriate methods describing them. Some special phenomena were discovered in two series of near-wall interaction experiments. The mathematical model and predicting methods were presented for interacting forces near wall, and the calculation results agreed well with the experimental ones. From the comparisons among numerical results with respect to nonviscosity, numerical results with respect to viscosity, and measured results, data on the influence of viscosity on hydrodynamic interactions were obtained. For hydrodynamic interaction related to multi-body unsteady motions with six degrees of freedom that is difficult to simulate in tests, numerical predictions of unsteady interacting forces were given.
doi_str_mv 10.1016/S1001-6058(08)60018-9
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ispartof Journal of Hydrodynamics, 2007-12, Vol.19 (6), p.784-785
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1000-4874
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recordid cdi_wanfang_journals_sdlxyjyjz_e200706018
source ScienceDirect Freedom Collection
subjects hydrodynamic interactions
Kutta condition
model test
panel method
unsteady flow
UUV
wall effect
模型测试
流体动力学相互作用
计算流体力学
非稳定流
title HYDRODYNAMIC INTERACTIONS BETWEEN TWO BODIES
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