Suspension Footbridge Form-Finding with Laplacian Smoothing Algorithm,International Journal of Steel Structures

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Suspension Footbridge Form-Finding with Laplacian Smoothing Algorithm
International Journal of Steel Structures ( IF 1.1 ) Pub Date : 2020-09-18 , DOI: 10.1007/s13296-020-00396-4
Zhuo-ju Huang , Jie-min Ding , Sheng-yi Xiang

In this paper, Laplacian smoothing, which is an algorithm originally used to smooth polygon meshes in computer graphics (CG), is applied to solve a structural form-finding problem with the proof that the result of such algorithm is equivalent to force density method. Such CG algorithm is used on the design of a new-built suspension footbridge in Shaoxing, China and the algorithm works well. Since Laplacian smoothing is a pure geometric algorithm without any mechanical concept, the algorithm shows the inner relationship between force and shape, more structural applicable CG algorithms are expected to be found in the future.

更新日期：2020-09-20

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