基于NX的船舶有限元前处理系统研究  

Research of Ship Finite Element Preprocessing System Based on NX

作　　者：章志兵[1] 林洋 王丽荣[2] 柳玉起[1] 

机构地区：[1]华中科技大学材料科学与工程学院,湖北武汉430074 [2]中国船级社,北京100007

出　　处：《江苏船舶》2018年第3期8-12,共5页Jiangsu Ship

基　　金：国家自然科学基金资助项目(51609089)

摘　　要：以NX的CAD/CAE集成平台为基础,并利用其提供的二次开发技术实现船舶有限元的前处理系统。基于已完成的船舶设计系统,首先将设计模型转换成简化模型,并进行简化;然后简化模型转化成多面体模型,并进行相关的几何清理;最后使用自动化的网格剖分器生成有限元网格,并赋予单元属性。以一艘散货船为例,利用该系统进行三舱段建模,生成了理想化的网格。测试表明:系统可以满足船舶有限元建模的需求,同时有效提高建模的效率。Based on the CAD/CAE integration platform of NX and using its second development technologies the pre-processing system of ship finite element is realized. Based on the completed ship design system,the design model is converted into a simplified model firstly and being simplified. Then,the simplified model is transformed into a polyhedron model,and the related geometric cleaning is carried out. Finally,the finite element mesh is generated by the automatic mesh generation device,and the element attribute is given. Taking a bulk carrier as an example,the three cabin model is modeled by using the system,an idealized grid is generated. The test shows that the system can meet the requirements of ship finite element modeling,and effectively improve the efficiency of modeling.

关 键 词：CAD/CAE NX 船舶 模型转换 有限元建模 

分 类 号：U662.2[交通运输工程—船舶及航道工程]