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| 基于纹理的流场动态可视化平台开发 | |
| 引用本文： | 张尚弘,易雨君,江岩,冶运涛.基于纹理的流场动态可视化平台开发[J].水力发电学报,2011,30(5). |
| 作者姓名： | 张尚弘 易雨君 江岩 冶运涛 |
| 作者单位： | 1. 华北电力大学可再生能源学院,北京,102206 2. 北京师范大学环境学院,北京,100875 3. 哈尔滨工程大学船舶工程学院,哈尔滨,150001 4. 清华大学水沙科学与水利水电工程国家重点实验室,北京,100084 |
| 基金项目： | 国家自然科学基金资助项目(51009064,50909006) |
| 摘 要： | 基于纹理的流场可视化是流场显示的最新方法,该方法采用网格图像变形的方式表现流场,不需要进行流场空间插值计算,可以减小计算量,同时保持很高的显示精度。讨论了基于图像纹理的流场动态显示原理,基于Visual C＋＋和OpenGL开发了流场动态可视化平台,实现了流场数据坐标转换、网格变形与背景图像映射绘制、噪声图像生成与融合、标量场颜色绘制等关键技术。在开发平台上模拟了三峡与葛洲坝两坝间河道流场,并与粒子系统模拟的流场效果进行了比较,结果表明基于纹理的流场动态可视化方法计算量小,能够展示出流场的更多细节。所开发平台的数据适应性好,为流场动态可视化提供了实用的平台工具。 |
| 关 键 词： | 计算流体动力学 数字流域 流场可视化 纹理融合 标量场显示 平台开发 |
Development of texture-based flow visualization platform |
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| ZHANG Shanghong,YI Yujun,JIANG Yan,YE Yuntao.Development of texture-based flow visualization platform[J].Journal of Hydroelectric Engineering,2011,30(5). | |
| Authors: | ZHANG Shanghong YI Yujun JIANG Yan YE Yuntao |
| Affiliation: | ZHANG Shanghong1,YI Yujun2,JIANG Yan3,YE Yuntao4(1.Renewable Energy School,North China Electric Power University,Beijing 102206,2.School of Environment,Beijing Normal University,Beijing 100875,3.College of Shipbuilding Engineering,Harbin Engineering University,Harbin 150001,4.State Key Laboratory of Hydro-science & Engineering,Tsinghua University,Beijing 100084) |
| Abstract: | Texture-based flow visualization is a new visualization method of flow field that is based on blending of a warped version of the previous image with a number of background images,a method of high performance using standard features of graphics hardware and no special interpolation.This paper discusses the principles of this new method and develops a visualization platform using Visual C+ +and OpenGL.In the method,several key techniques are adopted,flow field data coordinate conversion,flow field grid modif... |
| Keywords: | computational fluid dynamics digital watershed flow visualization texture blend scalar field visualization platform development |
| 本文献已被 CNKI 万方数据 等数据库收录！ | |