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	1. A Derivation of Ordinary Differential Equations and The Numerical Calculations for Deep Water Time Domain Green Functions
	Zhu Renchuan ,Shen Liang ,Miao Guoping
	Transportation Engineering 08 November 2006
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (4K B)

	Abstract:How to evaluate time-domain Green function and its gradients efficiently is the key problem to analyze ship hydrodynamics in time domain. Based on the Bessel function, an Ordinary Differential Equation (ODE) was derived for time-domain Green function and its gradients in this paper. A new efficient calculation method based on solving ODE is proposed. It has been demonstrated by the numerical calculation that this method can improve the precision of the time-domain Green function.
	TO cite this article:Zhu Renchuan ,Shen Liang ,Miao Guoping . A Derivation of Ordinary Differential Equations and The Numerical Calculations for Deep Water Time Domain Green Functions[OL].[ 8 November 2006] http://en.paper.edu.cn/en_releasepaper/content/9387


	2. Numerical Simulations for Green Water Running on Deck and Impact Loads
	Lin Zhaowei ,Zhu Renchuan ,Miao Guoping
	Transportation Engineering 08 November 2006
	Show/Hide Abstract \| Cite this paper︱Full-text: PDF (4K B)

	Abstract:A technique of dynamic mesh is specially introduced in a 2-D numerical wave tank to simulate the green water incident on a fixed FPSO model in head waves and oscillating vessels in beam sea conditions, respectively. Numerical results agree well with the corresponding experimental ones. It indicates the present numerical scheme and method can be used to actually simulate the phenomenon of green water on deck, and to predict and analyze the impact forces on floating structures due to green water. It is of great significance to further guide the ship design and optimization, especially for ship bow and its strength design. The mechanism may also help seaman to impose operation restrictions to avoid severe green water incidents.
	TO cite this article:Lin Zhaowei ,Zhu Renchuan ,Miao Guoping . Numerical Simulations for Green Water Running on Deck and Impact Loads[OL].[ 8 November 2006] http://en.paper.edu.cn/en_releasepaper/content/9379

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