本文選題：水閘 + CAD�。� 參考：《鄭州大學(xué)》2015年碩士論文

【摘要】：水閘是水利工程中重要的水工建筑物,在水利事業(yè)中起到非常重要的作用。隨著科學(xué)技術(shù)的飛速發(fā)展,先進的計算機信息技術(shù)和各種各樣的軟件開發(fā),水閘設(shè)計的可視化研究在實際中日益常見。在可視化研究中,水閘三維模型的建立是難點也是重點,怎樣尋找一種快速、準確和最優(yōu)化的方法建立出水閘的三維模型是研究的關(guān)鍵。本文通過查閱國內(nèi)外資料,分析了水閘的三維建模現(xiàn)狀。論述了常用三維軟件的特點,選取了繪圖精度較高的CAD作為建模軟件。在AutoCAD2010的平臺上,研究了三維建模的優(yōu)化方法和技術(shù)。以水閘為例,分析水閘的上游連接段、閘室段、下游連接段三段的特點,根據(jù)水閘每段作用的不同、造型的不同,研究出建模的思路,并設(shè)計每段三維模型建立的詳細步驟及應(yīng)用程序。通過方案的對比,得出了建模的技巧,解決了一些難題：上游連接段中,圓弧翼墻的曲面結(jié)構(gòu)在進行特征面拉伸時怎樣正確選取路徑及位置,布爾運算在護底、護坡和圓弧翼墻的連接的運用；閘室段,視圖轉(zhuǎn)換和模型之間的定位問題；海漫段、扭曲面建模導(dǎo)線的運用及建模時模式的設(shè)置。通過對各段建模過程的研究,得出水閘三維建模的通用性技巧,適用于不同造型的模型建立,有助于推動水利工程可視化的研究與應(yīng)用。創(chuàng)建完成的水閘三維模型,可以實現(xiàn)多角度觀察實體的外觀形體、結(jié)構(gòu)及各段的相對關(guān)系；通過對三維模型的剖切,能清楚地展示出水閘的內(nèi)部結(jié)構(gòu)；三維模型還可以進行二維視圖和軸測圖的轉(zhuǎn)換；通過3D打印技術(shù),制造出的水閘模型實物,精度高、直觀性好、快速便捷、成本低廉,便于設(shè)計人員進行方案的對比和修改,縮短設(shè)計階段的周期,從而節(jié)約成本,加快工程進度。
[Abstract]:Sluice is an important hydraulic structure in water conservancy project and plays a very important role in water conservancy. With the rapid development of science and technology, advanced computer information technology and a variety of software development, the research of the visualization of sluice design is increasingly common in practice. In the visualization research, the establishment of the three dimensional model of the sluice is the establishment of the three dimensional model of the sluice The difficulty is also the key point. How to find a fast, accurate and optimal method to establish a three dimensional model of sluice is the key to the study. By consulting the data at home and abroad, this paper analyzes the current situation of three dimensional modeling of sluice, discusses the characteristics of the three dimensional software, and selects a CAD with higher drawing precision as a modeling software. In the AutoCAD2010 On the platform, the optimization method and technology of 3D modeling are studied. Taking sluice as an example, the characteristics of three sections of the upstream connection section, gate section and downstream connection section of sluice are analyzed. According to the different functions of each section of sluice and different modeling, the ideas of modeling are studied and detailed steps and applications of each section of the three dimensional model are designed. By contrast, the technique of modeling is obtained, and some problems are solved: in the upstream segment, how to correctly select the path and position of the curved wing wall structure when the feature surface stretches, the use of the Boolean operation at the bottom of the retaining wall, the connection of the slope and the arc wing wall; the location between the gate section, the view conversion and the model; the sea overflow section and the distortion. Through the study of the modeling process of each section, the general skill of the three dimensional modeling of the sluice is obtained, which is suitable for the modeling of different modeling. It is helpful to promote the research and application of the visualization of water conservancy projects. The three dimension model of the completed sluice can be created to realize the exterior of the multi angle observation entity. The internal structure of the sluice can be clearly displayed by cutting the 3D model, and the three-dimensional model can also transform the two dimensional view and the axonometric map, and the model of the sluice can be made by 3D printing technology, which has high precision, good intuition, quick convenience, low cost and easy to design people. The staff will compare and modify the plan to shorten the design cycle, thereby saving costs and speeding up the progress of the project.
【學(xué)位授予單位】：鄭州大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TV66

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