基于Fluent的城市街区大气污染扩散仿真  

Simulation of Urban Block Air Pollution Diffusion Based on Fluent

作　　者：孙豪宇 邬群勇[1,2,3] SUN Hao-yu;WU Qun-yong(Key Lab of Spatial Data Mining and Information Sharing of Ministry of Education,Fuzhou Fujian 350108,China;National&Local Joint Engineering Research Center of Satellite Geospatial Information Technology,Fuzhou Fujian 350108,China;The Academy of Digital China(Fujian),Fuzhou Fujian 350108,China)

机构地区：[1]福州大学空间数据挖掘与信息共享教育部重点实验室,福建福州350108 [2]卫星空间信息技术综合应用国家地方联合工程研究中心,福建福州350108 [3]数字中国研究院(福建),福建福州350108

出　　处：《计算机仿真》2023年第1期499-504,516,共7页Computer Simulation

基　　金：中央引导地方科技发展专项(2017L3012);福建省科技计划引导项目(2021H0036)。

摘　　要：针对Fluent的城市街区大气污染扩散模拟参数设置多,操作复杂,入门困难等问题,解析城市街区几何模型文件,得到边界类型及边界名等边界参数,提出GUI命令流参数化设计方法及TUI命令流封装方法,实现大气污染扩散边界参数及相关模型参数的参数化设计及封装,研发城市街区大气污染扩散仿真软件(PSDS)。实验表明,GUI命令流参数化设计方法及TUI命令流封装方法,可为Fluent扩展定制开发提供统一接口;PSDS软件操作简便,易于理解,可为城市街区大气污染扩散模拟提供简单易用的研究工具。Aiming at the problems of Fluent’s urban block air pollution diffusion simulation, such as too many parameters setting, complex operation and difficult entry, the paper analyzed the geometric model file of the urban block, obtained the boundary parameters such as boundary type and boundary name, and proposed GUI command flow parametric design method and TUI command flow encapsulation method to realize the parametric design and encapsulation of air pollution diffusion boundary parameters and related model parameters, and developed urban block air pollution diffusion simulation software(PSDS). Experiments results show that the GUI command flow parameterization design method and TUI command flow encapsulation method can provide a unified interface for the development of Fluent extension customization;PSDS software is easy to operate, easy to understand, and can provide a simple and easy-to-use research tool for urban block air pollution dispersion simulation.

关 键 词：参数化设计方法 封装方法 大气污染物扩散 仿真软件 

分 类 号：TP311.52[自动化与计算机技术—计算机软件与理论]