赑玄格
天气模拟软件

超分辨率模拟风系统

Weather Simulation Software
Hyper Resolution Wind Simulation System

项目背景

Project Background

广东平均每年造成台风直接经济损失46.89亿元, 是受风灾影响较多的省份之一。 通过对登陆广东的台风特征及其形成的灾害链进行研究, 登陆广东的台风具有发生频率高,强度大,范围广,突发性、 并发性强的特点。由此可见,对于强风的监测预警预报具有迫切需求。
Guangdong causes an average of 4.689 billion yuan of direct economic losses from typhoons each year, and is one of the provinces more affected by wind disasters. By studying the characteristics of typhoons that land in Guangdong and the disaster chain they form, typhoons that land in Guangdong are characterized by high frequency, high intensity, wide range, suddenness and concurrency. This shows that there is an urgent need for monitoring and warning forecasting of strong winds.

项目概况

Service Overview

三维风场模拟为了适应城市需要, 可以满足超大城市微环境的模拟仿真。
Three-dimensional wind field simulation can meet the simulation of mega-city micro-environment in order to adapt to urban needs.

基于城市复杂下垫面环境的大风三维数值模拟仿真系统通过高精度修正地理模型, 模拟复杂下垫面环境下城市强风的数值,从而判断出城市容易出现强风或是负压的风险点, 并与测试验证模拟结果与自动站数据之间的误差,为各类户外生产活动提供精细化强风预警服务。
Based on the complex subsurface environment of the city, the 3D numerical simulation system of high wind simulates the value of strong wind in the complex subsurface environment, so as to determine the risk point of strong wind or negative pressure in the city, and verify the error between the simulation result and the automatic station data with the test, and provide fine wind warning service for various outdoor production activities.

模拟风模型

Simulated Wind Model

本系统针对强风对整个城市进行三维数值模拟仿真,基于GIS的数据 和城市三维建模技术的CFD模拟可以做到超精细化的分析, 实现对米级格点的大风仿真;通过对比自动站的实况监测数据, 为不同高度的风速风向分析并已经业务应用,为城市护航。
This system for strong winds for the whole city to carry out three-dimensional numerical simulation, CFD simulation based on GIS data and city three-dimensional modeling technology can do ultra-fine analysis, archieved the simulation of the metre-level grid point of the wind; by comparing the live monitoring data of the automatic station, for different heights of wind speed and wind direction analysis and has been business applications, for the city escort.
子区域模拟
Sub-area simulation
~模拟范围1km2, 0.8亿网格网格分辨率2.5m (超图片分辨率)
~80 Million meshs Grid Simulation
全市模拟
Whole City Simulation
~模拟范围2000km2,1.25亿网格网格 (超图片分辨率)
~125 million meshs Grid resolution simulation
本系统针对强风对整个城市进行三维数值模拟仿真,基于GIS的数据 和城市三维建模技术的CFD模拟可以做到超精细化的分析, 实现对米级格点的大风仿真;通过对比自动站的实况监测数据, 为不同高度的风速风向分析并已经业务应用,为城市护航。
This system for strong winds for the whole city to carry out three-dimensional numerical simulation, CFD simulation based on GIS data and city three-dimensional modeling technology can do ultra-fine analysis, archieved the simulation of the metre-level grid point of the wind; by comparing the live monitoring data of the automatic station, for different heights of wind speed and wind direction analysis and has been business applications, for the city escort.

模拟建筑物风压收敛

Wind Force Apply on Buildings Convergence

风压在建筑物与地表的瞬时计算结果
Transient (time dependent) pressure distribution on ground and buildings

不同高度下的风

Results of different level wind

2米至1000米的瞬时风变化
Results sweep between ground level and +100m height

不同的渲染风格

Different Rendering Styles

定制化模拟风系统

Customized Smulated Wind System

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