基于I-BESO的邮轮结构开孔耦合拓扑优化
Research on opening coupling topology optimization of cruise ship structures
刘昆 1肖凯隆 2吕萌 1郭德松 1鞠理扬 3吴晓源3
作者信息
- 1. 江苏科技大学 船舶与海洋工程学院,镇江 212100
- 2. 中国船舶及海洋工程设计研究院,上海 200011
- 3. 上海外高桥造船有限公司,上海 200137
- 折叠
摘要
针对传统的BESO算法无法只优化开孔,文中以邮轮甲板纵桁、舷侧和贯穿孔结构为研究对象,改进BESO算法得到适用于多工况船体开孔孔型优化的I-BESO算法.对开孔孔型迭代优化,分析多工况下多种类开孔耦合优化.开孔体积减轻比达到 20.92%,满足轻量化设计目标,并且缓解应力集中,使结构应力均衡分布.
Abstract
In view of the fact that traditional BESO algorithms cannot only optimize openings,we take the longi-tudinal truss,hull side,and through hole structures of cruise ship decks as the research object,and improve the BESO algorithm to obtain the I-BESO algorithm suitable for optimizing the opening hole types of ship hulls under multiple working conditions.Iterative optimization of hole types and analysis of multi type hole coupling optimiza-tion under multiple operating conditions are carried out.The reduction ratio of the opening volume reaches 20.92%,meeting the lightweight design goal and alleviating stress concentration,so as to achieve a balanced distri-bution of structural stress.
关键词
大型邮轮/拓扑优化/I-BESO算法/多工况/轻量化Key words
large cruise ship/topology optimization/I-BESO algorithm/multiple working conditions/lightweight引用本文复制引用
基金项目
国家自然科学基金项目(51779110)
国家自然科学基金项目(51809122)
国家自然科学基金项目(52171311)
出版年
2024
NETL
NSTL
万方数据