海洋工程中多浮体系统的水动力研究综述

随着深海油气开发和海洋大型装备的发展,多浮体系统越来越多地被使用。这些系统在波浪中存在着较为复杂的水动力干扰现象,在某些局部波浪会发生放大或遮蔽,从而使得其浮体间相对运动和受力的预报变得十分困难,因此对该问题的研究变得十分必要。该文对目前海洋工程中较为常见的多浮体系统进行了介绍,并就国内外在多浮体系统的水动力方面的研究进行了系统的阐述,包括水动力干扰理论研究、数值模拟研究以及模型试验研究等方面,最后对该课题未来的研究方向提出建议。

Review of the Research on Multi-body System Hydrodynamics

With the exploitation of deep-sea oil and gas and development of marine large equipment, many multi-body systems are emerging at sea. Since hydrodynamic interaction be- tween each body of the system is very complex, as well as shielding and exaggerating effect of wave motion appear in some areas, the simulation of relative motion and load between each body becomes more difficult. Hydrodynamics of multi-body system is becoming one of hot topics at present. Some common offshore multi-hody systems are presented in this paper, and a comprehensive review is also introduced about the recent research on multi-body system hy- drodynamics in the world, including theoretical research, numerical simulation and model test. Numerical simulation includes hydrodynamic interaction analysis between each body, coupling analysis in time domain, calculating the second order wave drift force, and modification considered viscous effect. The suggestions.for further studies in this field are proposed as well.