基于拓扑优化的大型推进电机支撑结构轻量化设计  

Lightweight Design of Support Structure for Large Propulsion Motor Based on Topology Optimization

作　　者：苏凯 季杰 陆彬 Su Kai;Ji Jie;Lu Bin(Wuxi Division of No.703 Research Institute of CSSC,Wuxi,Jiangsu 214000,China)

机构地区：[1]中国船舶集团有限公司第七〇三研究所无锡分部,江苏无锡214000

出　　处：《机电工程技术》2024年第5期248-251,共4页Mechanical & Electrical Engineering Technology

摘　　要：为解决某大型推进电机陆上试验支撑结构质量大、制造及运输成本高的问题,首先将依据经验设计的支撑结构建立三维模型,采用ANSYS Workbench进行静力学分析和模态分析,确认原设计的可靠性。然后基于ANSYS Workbench拓扑优化模块,通过去除优化区域中对整体结构影响最小的部分进行优化,根据优化结果重新设计并建立三维模型,最后进行静力学分析及模态分析,确保经优化后仍能满足推进电机运行要求,从而在保证安全运行的条件下实现支撑结构的轻量化。经过优化设计,支撑结构整体质量减小了26.4%,达到了轻量化设计的目的。本次优化设计表明拓扑优化可以有效指导大型设备支撑结构的设计工作,能够优化支撑结构的构成,降低制造、运输成本,避免材料的浪费。In order to solve the problems of large mass and high manufacturing and transportation costs of a large-scale propulsion motor onshore test support structure,a three-dimensional model of the support structure designed based on experience is first established,and ANSYS Workbench is used for static analysis and modal analysis to confirm the reliability of the original design.Then,based on the ANSYS Workbench topology optimization module,the part with the least impact on the overall structure is removed from the optimization area for optimization,the 3D model is redesigned and established according to the optimization results,and finally the static analysis and modal analysis are carried out to ensure that the operation requirements of the propulsion motor can still be met after optimization,so as to realize the lightweight of the support structure under the condition of ensuring safe operation.After optimized design,the overall mass of the supporting structure is reduced by 26.4%,achieving the purpose of lightweight design.The optimization design shows that topology optimization can effectively guide the design of large-scale equipment support structures,optimize the composition of support structures,reduce manufacturing and transportation costs,and avoid material waste.

关 键 词：推进电机 拓扑优化 静力分析 模态分析 优化设计 

分 类 号：U664.3[交通运输工程—船舶及航道工程]