本文選題：三維可視化　切入點(diǎn)：場景構(gòu)建　出處：《大連理工大學(xué)》2014年碩士論文

【摘要】：洪水等自然災(zāi)害的頻發(fā)對人民的生命和財(cái)產(chǎn)造成了嚴(yán)重的損害,洪水的預(yù)測與防治已經(jīng)迫在眉睫。預(yù)測洪水的演進(jìn)過程,并在洪水來臨前,迅速采取有效的防治措施,顯得尤為重要。洪水演進(jìn)的核心部分是洪水可視化數(shù)值模擬,目前,市場上可用的商業(yè)軟件主要模擬一維或者二維洪水的演進(jìn),在二維可視化領(lǐng)域有著重要的應(yīng)用,在洪水三維可視化領(lǐng)域,商用軟件的使用范圍相對較窄,軟件的擴(kuò)展性還比較弱,對計(jì)算機(jī)硬件的要求苛刻,算法模擬精度還有待于進(jìn)一步的提高。針對這些問題,本文提出基于二維淺水方程建立水力學(xué)模型,編程語言采用C++與OpenGL,應(yīng)用紋理貼圖技術(shù),再結(jié)合數(shù)據(jù)庫技術(shù),在VC++軟件環(huán)境下,模擬三維洪水的演進(jìn)。首先,為了驗(yàn)證模型的有效性,基于扎龍濕地地形高程數(shù)據(jù),構(gòu)建洪水三維可視化虛擬場景,進(jìn)行洪水演進(jìn)的數(shù)值計(jì)算；其次,為了直觀、形象地觀察地形上洪水演進(jìn)過程中,洪水的大小,在對洪水模擬的基礎(chǔ)上,對流場進(jìn)行了模擬；再次,為了了解某一斷面處洪水的信息,對洪水的斷面進(jìn)行了研究分析；最后,本文嘗試在三維可視化場景中增加對霧、雨等自然現(xiàn)象的模擬。洪水三維可視化系統(tǒng)的建立,說明結(jié)合水力學(xué)模型以及紋理貼圖技術(shù),在計(jì)算機(jī)軟硬件技術(shù)的支持下,可以為洪水的模擬提供技術(shù)支持,對防洪決策以及洪水資源利用具有實(shí)際意義。
[Abstract]:The frequent occurrence of natural disasters, such as floods, has caused serious damage to people's lives and property.It is very important to predict the course of flood and to take effective preventive measures before the flood comes.The core part of flood routing is numerical simulation of flood visualization. At present, commercial software available on the market mainly simulates one-dimensional or two-dimensional flood routing, which has important applications in the field of two-dimensional visualization, and in the field of three-dimensional flood visualization.The scope of commercial software is relatively narrow, the extensibility of software is relatively weak, the requirements for computer hardware are harsh, and the accuracy of algorithm simulation needs to be further improved.In order to solve these problems, a hydraulic model based on 2-D shallow water equation is proposed in this paper. C and OpenGL are used in programming language, texture mapping technology is used, and database technology is used to simulate 3D flood routing in VC software environment.Firstly, in order to verify the validity of the model, based on the topographic elevation data of Zhalong wetland, a 3D visualization virtual scene of flood is constructed to calculate the flood routing. Secondly, in order to visualize and visualize the process of flood routing on the terrain,The size of the flood is simulated on the basis of flood simulation. Thirdly, in order to understand the flood information at a certain section, the section of the flood is studied and analyzed.This paper attempts to add the simulation of fog, rain and other natural phenomena in the 3D visualization scene.The establishment of 3D flood visualization system shows that the combination of hydraulic model and texture mapping technology, with the support of computer software and hardware technology, can provide technical support for flood simulation.It is of practical significance for flood control decision and utilization of flood resources.
【學(xué)位授予單位】：大連理工大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2014
【分類號】：P333.2;TP391.41

【參考文獻(xiàn)】

相關(guān)期刊論文 前10條

1 許士國,黨連文,牟志錄;嫩江1998年特大洪水環(huán)境影響分析[J];大連理工大學(xué)學(xué)報(bào);2003年01期

2 常露;劉開磊;姚成;李致家;;復(fù)雜河道洪水預(yù)報(bào)系統(tǒng)研究——以淮河王家壩至小柳巷區(qū)間流域?yàn)槔齕J];湖泊科學(xué);2013年03期

3 韓敏;孟宇;顧峰峰;張彥召;;VR技術(shù)在扎龍濕地三維洪水仿真系統(tǒng)中的應(yīng)用[J];計(jì)算機(jī)工程與應(yīng)用;2006年05期

4 張桂娟;朱登明;邱顯杰;王兆其;;一種面向流體仿真的場景處理方法[J];計(jì)算機(jī)輔助設(shè)計(jì)與圖形學(xué)學(xué)報(bào);2010年08期

5 程雪玲;胡非;;復(fù)雜地形網(wǎng)格生成研究[J];計(jì)算力學(xué)學(xué)報(bào);2006年03期

6 韓敏,陳明,李威國;基于OpenGL的濕地洪水演進(jìn)模擬仿真系統(tǒng)的研究[J];計(jì)算機(jī)應(yīng)用研究;2005年03期

7 陸玲;楊學(xué)東;王蕾;;半透明植物花朵可視化造型研究[J];農(nóng)業(yè)機(jī)械學(xué)報(bào);2010年03期

8 鄭彬;谷德軍;魏紅成;;水文數(shù)字高程模型在珠江流域入海徑流模擬中的應(yīng)用[J];海洋科學(xué);2012年09期

9 王尊策;何寶林;韓建荒;李森;李君書;;高溫?fù)Q熱器多場耦合數(shù)值模擬研究[J];化工機(jī)械;2013年02期

10 董健康;劉坤;王潔寧;;室外自然場景下的霧天模擬生成算法[J];計(jì)算機(jī)輔助設(shè)計(jì)與圖形學(xué)學(xué)報(bào);2013年03期

相關(guān)博士學(xué)位論文 前1條

1 宋利祥;潰壩洪水?dāng)?shù)學(xué)模型及水動(dòng)力學(xué)特性研究[D];華中科技大學(xué);2012年

，

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