Wind-Driven Dynamics Around Building Clusters: Impact of Convex and Concave Curvilinear Morphologies and Central Angles

Abstract

Curvilinear building forms are increasingly common in modern architecture, yet their impact on wind dynamics remains understudied. This research examines the wind flow behavior around high-rise residential building rows configured with convex and concave curvilinear shapes, focusing on the influence of varying central angles. Using parametric models generated in Rhino’s Grasshopper, followed by experimentally validated CFD simulations, we analyze the aerodynamic effects of these configurations. The findings indicate contrasting impacts: convex curvilinear rows amplify wind flow as their central angles increase, while concave rows hinder airflow under similar conditions. These variations are linked to changes in the windward projective areas. This study enhances the understanding of wind behavior in urban settings and provides key insights for optimizing natural ventilation and designing sustainable curvilinear building clusters.

Keywords

• wind environments
• curvilinear-configuration building row
• arc component of Grasshopper of Rhino
• numerical and experimental investigations