基于物理的台风建模与绘制  

Physically Based Modeling and Rendering of Typhoon

作　　者：王长波[1,2] 朱振毅[3] 高岩[1] 谢步瀛[3] 彭群生[2] 

机构地区：[1]华东师范大学软件学院,上海200062 [2]浙江大学CAD&CG国家重点实验室,杭州310058 [3]同济大学虚拟建筑研究室,上海200092

出　　处：《中国图象图形学报》2010年第3期513-517,共5页Journal of Image and Graphics

基　　金：国家自然科学基金项目(60603076);国家高技术研究发展计划(863)项目(2007AA01Z316);上海市青年科技启明星计划项目(08QA14025);上海市科委自然科学基金项目(07ZR14035);上海市科委科技攻关项目(09511500100);浙江大学CAD&CG国家重点实验室开放基金项目(A1008);上海海事大学重点学科开放基金项目(S30602)

摘　　要：研究台风风场的规律并进行真实感仿真对于灾害预防、评估及宣传等有着十分重要的意义。首先从台风的物理特性出发,建立了不对称的3维台风风场,可以得到不同情况下台风的强度和风速变化;然后根据卫星云图的干区移动来预测台风移动路径;进一步模拟台风风场与物体的交互作用,实现了台风风场的3D可视化仿真预测和动态台风场景的实时绘制,得到了逼真的仿真效果。It is of much significance for disaster rescuing, evaluating, and propaganda, to do the research of the typhoon wind-field rules and realistic simulation. Based on physical characteristics of typhoon, this paper first builds the 3D asymmetry typhoon wind-field model, and through simplifying and dispersing, calculates different wind speeds in different conditions. Then combined with the real-time satellite images, the profile, intensity, track and moving velocity of typhoon are simulated. Further, considering the movement under different conditions for different rigid and flexible objects, and using these realistic rendering technologies, We simulated the dynamic typhoon scene successfully based on its characteristics finally. The simulation results are very realistic.

关 键 词：台风风场 真实感建模 快速绘制 物理特性 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]