Non-hydrostatic calculation of shallow water environmental free surface flows

被引：0
|
作者：
Yoon, BS [1 ]
Park, CW [1 ]
机构：
[1] Univ Ulsan, Dept naval Architecture & Ocean Engn, Ulsan, South Korea
来源：
PROCEEDINGS OF THE FIFTEENTH (2005) INTERNATIONAL OFFSHORE AND POLAR ENGINEERING CONFERENCE, VOL 1 | 2005年
关键词：
free surface; environmental flow; non-hydrostatic pressure; fractional step;
D O I：
暂无
中图分类号：
P75 [海洋工程];
学科分类号：
0814 ; 081505 ; 0824 ; 082401 ;
摘要：
In the present paper, a new calculation algorithm for solving large scale environmental or geophysical flows with free surface is proposed where the non-hydrostatic pressure component is taken into consideration. Predictor-corrector fractional step approach with explicit, forward time marching scheme in the sigma coordinate system is employed. In order to validate the present calculation algorithm and to estimate the effects of non-hydrostatic pressure on resultant flow and free surface movements, example calculations are carried out for typical steady and unsteady flow problems. Present method can be applied to the mesoscale free surface flows with complex bottom topography where MAC-like 3-d hydrodynamic calculations are quite ineffective and uneconomic.
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页码：691 / 696
页数：6
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