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                ## :-: **Falcon** :-: ![](https://img.kancloud.cn/2b/99/2b9947ef779e89e975fc0c9c28fbf01a_122x104.png) ### :-: [點擊下載插件](https://pan.baidu.com/s/1zRlTbHjXKiAfXV9a1Y2AMQ?pwd=o185) **作者:** by esamec **官網:** http://master.grad.hr/nastava/gs/falcon/falcon-eng.html **簡介:** Falcon是一個基于力密度法的結構找形工具,主要應用于索網結構和張拉膜結構。 力密度法最早由Linkwitz和Schek于20世紀70年代提出。所謂的力密度,是指單元內力與單元長度的比值。力密度法的思想是通過計算一個節點連接的多個桿件,對每根桿件賦予相同的力密度,力密度乘以桿件的長度即為桿件的內力,假定所有桿件內力均為拉力,則可解得該點的不平衡力。最終可以得到一個較為均勻的網格。著名的膜結構設計軟件 EASY 就是用力密度法找形的。 **示意圖:** ![](https://img.kancloud.cn/d1/f6/d1f69900d3cfd1c169f11dfed981a76f_1750x926.jpg) ![](https://img.kancloud.cn/f7/06/f706b3fc433878be8ee4433218cd5164_1065x476.gif) ![](https://img.kancloud.cn/61/d1/61d1092e7a4e3e392ea35509d54ab3f8_660x578.jfif) ![](https://img.kancloud.cn/11/85/118533e254f4e9eb6e01fee9847a5ecb_660x132.jfif) ![](https://img.kancloud.cn/0f/16/0f16fa67e960d37cb71795d185c8ab90_660x448.jfif) ![](https://img.kancloud.cn/74/e4/74e4f6a5a30b9eab60af5fc749e2b435_639x464.jfif)
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