Size Optimization of Hemispherical Geodesic Dome

Abstract

This study proposes a size optimization procedure for geodesic dome. In particular, it aims to provide all the core process finding the optimal member size of a hemispherical geodesic dome. The present procedure includes four main steps, such as automatic generation of dome geometry, calculation of wind load distribution on the hemisphere, numerical analysis for calculation of structural responses, and optimization process. It is utilized by using the visual programming technique and the implementation is achieved in Grasshopper environment. Numerical examples are carried out to verify the capability of the proposed technique. From numerical results, the present method can effectively produce optimum member size distribution of the geodesic dome and it has great possibility and applicability to various dome structures. © 2022 Architectural Institute of Korea.