三维流场的虚拟现实技术开发与教学应用  

DEVELOPMENT AND TEACHING APPLICATION OF VIRTUAL REALITY TECHNOLOGY FOR THE THREE-DIMENSIONAL FLOW FIELD

作　　者：贾永霞 张钧铎 吴辰禹 朱虹鑫 刘泽华 陆晨阳 黄伟希[1] JIA Yongxia;ZHANG Junduo;WU Chenyu;ZHU Hongxin;LIU Zehua;LU Chenyang;HUANG Weixi(School of Aerospace Engineering,Tsinghua University,Beijing 100084,China;National Experimental Teaching Demonstration Center for Mechanics,Tsinghua University,Beijing 100084,China)

机构地区：[1]清华大学航天航空学院,北京100084 [2]清华大学力学国家级实验教学示范中心,北京100084

出　　处：《力学与实践》2024年第3期643-648,共6页Mechanics in Engineering

基　　金：国家自然科学基金(92252204,12272206,12272008);清华大学本科教学改革项目(ZY01-02)资助。

摘　　要：开发了一种动态展示三维精细流场结构的虚拟现实系统。该系统包括:流场生成模块,用于通过数值模拟计算目标场景的瞬时流场,并进行可视化,得到目标场景的三维流场模型;存储模块,用于存储目标场景的三维流场模型;显示模块,根据按键指令调用并播放三维流场模型。通过虚拟现实技术实现多种模型的三维瞬时流场动态展示,实现了在流体力学教育与研究领域还原复杂流场中三维结构的功能,极大地激发了学生的求知欲与探索精神。This article develops a virtual reality system that dynamically displays the fine structures in three-dimensional(3D)flow fields.The virtual reality system includes a flow field generation module,which is used to calculate the instantaneous flow field of target scenarios through numerical simulation,and visualize the flow field data to obtain 3D flow field models of target scenarios;a storage module for storing 3D flow field models of target scenes;a display module,used to call the corresponding 3D flow field model according to the button instructions,and play the 3D flow field model.By using the virtual reality technology to display multiple models of 3D flow fields,the restoring function of 3D structures in complex flows is achieved in the field of fluid mechanics education and research,greatly stimulating students'pursuit of knowledge and exploration.

关 键 词：虚拟现实 三维流场 涡结构 

分 类 号：O35[理学—流体力学] TP319[理学—力学]