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A novel methodology for architectural wind environment study by integrating CFD simulation, multiple parametric tools and evaluation criteria
Building Simulation ( IF 6.1 ) Pub Date : 2019-12-18 , DOI: 10.1007/s12273-019-0591-8
Yi He , Marc Aurel Schnabel , Yi Mei

Nowadays wind environment research usually requires lots of comparisons of simulations to study influences on wind environment of building shapes and arrangements. This research aims to develop a novel methodology by integrating computational fluid dynamics (CFD) simulation, parametric tools and evaluation criteria. The integration of multiple tools can provide abundant functions and an efficient modelling-simulation-analysis solution for comparison studies. The methodology is consisted of parametric design, CFD simulation method and analysis method. It is further demonstrated in the case study of square form and scattered configuration to study the relationship between influences on winds and building variables through iterative analysis. For square form, the increase of edge length increases the influence, because more winds are obstructed by larger windward surfaces; the increase of rotation angle reduces the influence, because it is easier for winds to flow around non-vertical windward surfaces. For scattered configuration, the increase of building intervals reduces the influences on winds, because it is easier for winds to flow through larger intervals. In summary, the novel methodology provides an accurate and efficient integrated solution for wind environmental studies of contemporary buildings to explore basic laws for architects to improve their design on the early stage.

中文翻译:

集成CFD模拟,多种参数工具和评估标准的建筑风环境研究新方法

如今,风环境研究通常需要进行大量的模拟比较,以研究建筑物形状和布置对风环境的影响。这项研究旨在通过整合计算流体动力学(CFD)模拟,参数工具和评估标准来开发一种新颖的方法。多种工具的集成可以提供丰富的功能,并为比较研究提供有效的建模-仿真-分析解决方案。该方法包括参数设计,CFD仿真方法和分析方法。通过迭代分析,进一步证明了在正方形形式和分散构型的案例研究中,对风的影响与建筑变量之间的关系。对于正方形,边长的增加会增加影响,因为更大的迎风面阻碍了更多的风;旋转角度的增加减小了影响,因为风更容易在非垂直迎风表面周围流动。对于分散的配置,建筑间隔的增加减少了对风的影响,因为风更容易流过较大的间隔。总而言之,这种新颖的方法为当代建筑的风环境研究提供了一种准确而有效的集成解决方案,以探索建筑师在早期阶段改进其设计的基本规律。因为风更容易流过较大的间隔。总而言之,这种新颖的方法为当代建筑的风环境研究提供了一种准确而有效的集成解决方案,以探索建筑师在早期阶段改进其设计的基本规律。因为风更容易流过较大的间隔。总而言之,这种新颖的方法为当代建筑的风环境研究提供了一种准确而有效的集成解决方案,以探索建筑师的基本法则,以在早期阶段改善他们的设计。
更新日期:2019-12-18
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