基于数值模拟的多用途船风阻力优化研究

Research on Resistance Optimization of Multi-purpose Vessel Wind Based on Numerical Simulation

以19000t多用途船为研究对象,提出一种基于数值模拟的风阻减阻优化方法。首先,模拟计算迎风状态下船体和上层建筑的风阻力;然后,根据风阻力高压力区域分布结果定性设计风阻力减阻结构方案;最后提出一种基于数值模拟优化的最优减阻结构计算方法,定量计算出最优的风阻力优化结构设计方案。

The paper presents a numerical simulation method on the wind resistance optimization of the 19000 t multi-purpose vessel. Firstly, the paper numerically simulates wind-against resistance of ship hull and superstructure. Then, it qualitatively analyzes wind resistance pressure distribution, and designs a wind resistance reduction structure. At last, it presents a numerical simulation based the optimization method of computing best optimal wind resistance structure.