摘要
为了使船舶在波浪中航行具有更低的阻力,提出一种以静水阻力和波浪增阻为最小的多目标船型优化方法,其中静水阻力采用兴波阻力(Rankine源法)和黏性阻力(经验公式)之和来表达,波浪增阻采用丸尾孟公式来计算.以船型修改函数的参数为设计变量,在保证必要排水体积的条件下,采用非线性规划法建立船型优化模型.选择S60船型为母型进行优化计算,得到的改良船型具有较低的静水阻力和波浪增阻,算例证实了该方法用于船型优化的可行性.
In order to lower the resistance when sailing in wave,the multiobjective hull optimization for reducing resistance in still water and added one in wave was proposed.The resistance in still water could be expressed as the sum of wave-making resistance（Rankine source method） and the viscous resistance（experience formula）,and the added resistance in wave was calculated by the Maruo′ formula.The hull optimization model of nonlinear programming（NLP） was established,with the parameters of hull form modification function as design variables and an appropriate displacement as a basic constraint condition.Finally,the numerical optimization example for S60 hull form was provided,which indicates that the resistance in still water and added resistance in wave are reduced by the optimal method.
出处
《华中科技大学学报（自然科学版）》
EI
CAS
CSCD
北大核心
2011年第10期32-35,共4页
Journal of Huazhong University of Science and Technology(Natural Science Edition)
基金
国家自然科学基金青年基金资助项目(51009087)
关键词
船舶工程
非线性规划法
波浪增阻
Rankine源法
多目标优划
优化设计
ship engineering
nonlinear programming（NLP）
added resistance-in-wave
Rankine source method
multiobjective optimization
optimization design
