基于变换函数的船体曲面参数化修改技术研究  

Parametric Ship Hull Form Transformation Based on Transformation Function

作　　者：胡春平[1] 黄金锋[2] 冯佰威[1] 

机构地区：[1]武汉理工大学交通学院,武汉430063 [2]中国舰船研究设计中心,武汉430063

出　　处：《武汉理工大学学报（交通科学与工程版）》2013年第2期377-380,385,共5页Journal of Wuhan University of Technology（Transportation Science & Engineering）

基　　金：国家自然科学基金重点项目(批准号:51039006);国家自然科学基金项目(批准号:51179143;51279147);高等学校博士学科点项目(批准号:20100143110010)资助

摘　　要：为实现基于CFD的船型自动优化,需要一种参数化的船体型线生成方法.文中改进了一种基于变换函数的船型参数化方法,以使变换船型更丰富、合理,该方法可以通过改变几个参数即可实现船体型线的自动生成.研究表明,只要选择合适的变换函数,参数的取值范围合理,则可以保证变化后的船型仍然满足光顺性等特征.以1 300TEU集装箱船和戴维泰勒水池DTMB5415标模为例,阐述了基于变换函数的船体型线变换过程,结果表明,基于变换函数的船型变换方法可以应用于船型精细优化中.To realize hull form automatic optimization based on CFD, it needs a parametric hullform generation method. A ship modified method based on transformation function is improved in the arti- cle; this method can realize automatic generation of ship hull form only by varying several parameters. Research shows that, as long as suitable for transformation function by choice, and reasonable ranges of parameters, it can ensure the hull form still fairness and other characteristics. Take two different types of hull form transformation of 1300TEU container ships and DTMB5415 for example, it illus- trates the process of hull form transformation based on the transformation functions. The results indi- cate that, the hull form transformation method based on the transformation functions can be applied to the hull form optimization based on the CFD.

关 键 词：参数化 变换函数 NURBS理论 光顺准则 

分 类 号：U441.5[建筑科学—桥梁与隧道工程]