原型水槽造波机关键部件的结构优化设计

发布时间：2018-02-21 21:00

本文关键词： 大比尺造波机有限元分析结构优化　出处：《天津理工大学》2015年硕士论文　论文类型：学位论文

【摘要】：能源是支撑人类文明进步的物质基础,现阶段寻找到既不会造成环境污染又能长期供应的清洁性新能源必然是当务之急。21世纪是海洋经济时代,海洋能源凭借其无污染、可再生、不受气候影响等独特的优势必将成为潜力最大的新型能源,其海洋能的开发已列为重要的研究课题。随之造波技术也逐渐成为重点研究内容。首先,本文对课题的研究背景进行了较为全面的归纳总结及论述,从海洋能源的角度引出课题研究的意义,由我国波浪及海岸工程的特点分析建造大比尺试验水槽造波平台的重要性,并总结了国内外造波机的发展历程,同时对大比尺波浪试验水槽的结构组成、功能特点以及技术参数做出了详尽的介绍。然后就有限元理论及ANSYS软件做了较为简单的介绍,对原型水槽造波机主要设计参数试验水槽和造波板尺寸的选取做了详细的比对分析。最后,文本以研究课题原型水槽造波机关键部件的有限元分析及结构优化成果作为依托,主要以关键部件横梁、导轨座、滑架为研究对象,根据各构件自身结构特点、所受载荷约束以及在整个造波系统中功能和位置的重要性为分析前提,针对不同模型结构各自的特点做有限元分析,其中包括静力学分析、动力学分析,再根据仿真模拟的结果进行型材尺寸优化和局部结构的优化,以期达到“性能好、质量轻”的优化目标,为日后造波机的设计提供宝贵的数据参考。本课题为交通运输部项目,由交通运输部天津水运工程科学研究院施工建设的大比尺波浪试验水槽现已基本完工,水槽内安装的原型水槽造波机是由天津理工大学机械工程学院研究与设计完成的,同时,这也是第一次由研究院等科研机构与国内大学共同合作,分析和参考我国自然海浪的运动形式与特点而自主设计、施工、建造的。该试验水槽造波系统建成后将成为世界上造波能力最强、尺度最大的造波模拟平台。
[Abstract]:Energy is the material foundation to support the progress of human civilization. At present, it is imperative to find clean new energy that will not cause environmental pollution and can be supplied for a long time. The 21st century is the era of marine economy, and marine energy depends on its non-pollution. The unique advantages, such as renewable and climate independent, will become the most potential new energy sources. The development of ocean energy has become an important research topic. With this, wave-making technology has gradually become the focus of research. First of all, In this paper, the research background of the project is summarized and summarized, the significance of the research is derived from the point of view of ocean energy, and the importance of constructing the wave-making platform of large scale experimental flume is analyzed by the characteristics of wave and coastal engineering in China. The development history of wave generator at home and abroad is summarized, and the structure, function and technical parameters of wave test tank with large scale are introduced in detail. Then, the finite element theory and ANSYS software are briefly introduced. This paper makes a detailed comparison and analysis on the selection of the main design parameters of the prototype flume wave-making machine and the size of the wave-making plate. Finally, the text is based on the finite element analysis and structural optimization results of the key components of the prototype flume wave-making machine. The key components, such as beam, guide rail seat and slide frame, are taken as the research object. According to the structural characteristics of each member, the load constraints and the importance of function and position in the whole wave-making system are taken as the premise of the analysis. According to the characteristics of different model structures, finite element analysis, including static analysis, dynamic analysis, and then according to the simulation results of the profile size optimization and local structure optimization, in order to achieve "good performance," The optimization goal of light mass provides valuable data reference for the design of wave-making machine in the future. The large scale wave test flume constructed by Tianjin Research Institute of Water Transport Engineering under the Ministry of Communications and Transport has been basically completed. The prototype flume generator installed in the tank was studied and designed by the School of Mechanical Engineering of Tianjin University of Science and Technology, and at the same time, This is also the first time that research institutes and other research institutions have cooperated with domestic universities to analyze and refer to the motion forms and characteristics of natural waves in China and design and construct independently. The system will become the most powerful and the largest wave making simulation platform in the world.
【学位授予单位】：天津理工大学
【学位级别】：硕士
【学位授予年份】：2015
【分类号】：P743

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