本文關(guān)鍵詞： 大比尺造波機(jī) 有限元分析 結(jié)構(gòu)優(yōu)化　出處：《天津理工大學(xué)》2015年碩士論文　論文類(lèi)型：學(xué)位論文

【摘要】：能源是支撐人類(lèi)文明進(jìn)步的物質(zhì)基礎(chǔ),現(xiàn)階段尋找到既不會(huì)造成環(huán)境污染又能長(zhǎng)期供應(yīng)的清潔性新能源必然是當(dāng)務(wù)之急。21世紀(jì)是海洋經(jīng)濟(jì)時(shí)代,海洋能源憑借其無(wú)污染、可再生、不受氣候影響等獨(dú)特的優(yōu)勢(shì)必將成為潛力最大的新型能源,其海洋能的開(kāi)發(fā)已列為重要的研究課題。隨之造波技術(shù)也逐漸成為重點(diǎn)研究?jī)?nèi)容。首先,本文對(duì)課題的研究背景進(jìn)行了較為全面的歸納總結(jié)及論述,從海洋能源的角度引出課題研究的意義,由我國(guó)波浪及海岸工程的特點(diǎn)分析建造大比尺試驗(yàn)水槽造波平臺(tái)的重要性,并總結(jié)了國(guó)內(nèi)外造波機(jī)的發(fā)展歷程,同時(shí)對(duì)大比尺波浪試驗(yàn)水槽的結(jié)構(gòu)組成、功能特點(diǎn)以及技術(shù)參數(shù)做出了詳盡的介紹。然后就有限元理論及ANSYS軟件做了較為簡(jiǎn)單的介紹,對(duì)原型水槽造波機(jī)主要設(shè)計(jì)參數(shù)試驗(yàn)水槽和造波板尺寸的選取做了詳細(xì)的比對(duì)分析。最后,文本以研究課題原型水槽造波機(jī)關(guān)鍵部件的有限元分析及結(jié)構(gòu)優(yōu)化成果作為依托,主要以關(guān)鍵部件橫梁、導(dǎo)軌座、滑架為研究對(duì)象,根據(jù)各構(gòu)件自身結(jié)構(gòu)特點(diǎn)、所受載荷約束以及在整個(gè)造波系統(tǒng)中功能和位置的重要性為分析前提,針對(duì)不同模型結(jié)構(gòu)各自的特點(diǎn)做有限元分析,其中包括靜力學(xué)分析、動(dòng)力學(xué)分析,再根據(jù)仿真模擬的結(jié)果進(jìn)行型材尺寸優(yōu)化和局部結(jié)構(gòu)的優(yōu)化,以期達(dá)到“性能好、質(zhì)量輕”的優(yōu)化目標(biāo),為日后造波機(jī)的設(shè)計(jì)提供寶貴的數(shù)據(jù)參考。本課題為交通運(yùn)輸部項(xiàng)目,由交通運(yùn)輸部天津水運(yùn)工程科學(xué)研究院施工建設(shè)的大比尺波浪試驗(yàn)水槽現(xiàn)已基本完工,水槽內(nèi)安裝的原型水槽造波機(jī)是由天津理工大學(xué)機(jī)械工程學(xué)院研究與設(shè)計(jì)完成的,同時(shí),這也是第一次由研究院等科研機(jī)構(gòu)與國(guó)內(nèi)大學(xué)共同合作,分析和參考我國(guó)自然海浪的運(yùn)動(dòng)形式與特點(diǎn)而自主設(shè)計(jì)、施工、建造的。該試驗(yàn)水槽造波系統(tǒng)建成后將成為世界上造波能力最強(qiáng)、尺度最大的造波模擬平臺(tái)。
[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.
【學(xué)位授予單位】：天津理工大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2015
【分類(lèi)號(hào)】：P743

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