期刊
JOURNAL OF ASIAN ARCHITECTURE AND BUILDING ENGINEERING
卷 -, 期 -, 页码 -出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/13467581.2023.2229407
关键词
Surface modelling; computational conformal geometry; architectural surfaces; Gaussian curvature
This paper proposes an algorithmic approach for the conceptual design of architectural surfaces represented by triangulated meshes. The method optimizes the surface based on user-specified geometric properties, such as Gaussian curvature distribution and boundary location preference. It automates the time-consuming task of manually designing surfaces with specific Gaussian curvatures.
This paper presents an algorithmic approach for the conceptual design of architectural surfaces represented by triangulated meshes. Specifically, we propose a method to optimise a surface according to user-specified geometric properties including the distribution of the Gaussian curvature and preferable boundary location. Designing a surface manually with specific Gaussian curvatures can be a time-consuming task, and the proposed method automates this task. Also, in the proposed approach, the resulting mesh could be encouraged to form a regular tessellation or kept close to those of the initial one. Our method relies on the idea in computational conformal geometry called circle packing and the discrete Ricch energy, which have been used for surface modelling. We develop a least-squares-based optimisation scheme by introducing a variant of the Ricci energy to accommodate flexibility in specifying design constraints such as boundary locations and convexity of the spanned surface, which are essential to architectural applications. We provide an open-source implementation of our method in Python.(1)
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