Nonlinear Wavemaking Problem of a Slender Body Near Free Surface

机译：自由面附近细长体的非线性造波问题

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摘要

Based on the slender body assumption, the steady wavemaking problem of a three dimensional body is approximated to a set of unsteady two dimensional ones stepping along the longitudinal axis of the body. The free surface conditions are nonlinear. Two dimensional problem is solved by applying boundary element method, nonlinear free surface conditions are expressed by Lagrangian description and approached by finite differences. As an application of the method, the wavemaking of a slender body of revolution is calculated. The calculated coefficients of lifting force and resistance show good agreement with those measured at PMM captive model tests.

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作者
Liu, Y. ; Cai, Z. ; Yan, N.;
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年度 1987
页码 1-9
总页数 9
原文格式 PDF
正文语种 eng
中图分类工业技术;
关键词
Naval architecture; Two dimensional flow; Slender bodies; Mathematical models; Boundary layer; Model tests; Yaw; Oscillation; Unsteady flow; Waves; Plates(Structural members); Resistance; China;

机译：海军建筑;二维流动;细长体;数学模型;边界层;模型试验;偏航;振荡;非定常流动;波浪;板块（结构构件）;阻力;中国;

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2. Modification of mean wake flowbehind a very slender axisymmetric body of revolution by imposed nonlinear unstable helical modes [J] . Kiseok Lee, Joseph T. C. Liu Proceedings of the Royal Society. Mathematical, physical and engineering sciences . 2014,第2165期

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3. Numerical Analysis of the Influence of Above-Water Bow Form Added Resistance Using Nonlinear Slender Body Theory [J] . Hajime Kihara, Shigeru Naito, Makoto Sueyoshi Journal of Ship Research . 2005,第3期

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4. An Investigation into the Wavemaking Resistance of aSubmarine Travelling Below the Free Surface [C] . S Wilson-Haffenden, M Renilson, D Ranmuthugala, International Maritime Conference . 2010

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5. Computation of transient fully nonlinear free surface waves and wave-body interactions. [D] . Celebi, M. Serdar. 1997

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6. Axial–transversal coupling in the free nonlinear vibrations of Timoshenko beams with arbitrary slenderness and axial boundary conditions [O] . Stefano Lenci, Giuseppe Rega -1

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7. Transverse hydrodynamic forces on slender bodies in free-surface flows at low speed [O] . Letcher John Seymour 1966

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8. The Effect of a Free Surface on the Two-Dimensional Flow of an Inviscid Density-Stratified Liquid past a Slender Body [R] . Graham, E. W., Graham, B. B. 1967

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Nonlinear Wavemaking Problem of a Slender Body Near Free Surface

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