A SIMPLIFIED FEM ANALYSIS METHOD FOR ARC MEMBER WITH SMALL RATIO OF THE ARC'S HEIGHT TO THE LENGTH OF CHORD

机译：弧长与弦长之比小的简化的有限元分析方法

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A kind of Simplified FEM Analysis method named equivalent-stiffness-center method is developed to imitate the stiffness performance of arc element with limited ratio of its height to its chord length in this paper. With this method,almost all FEM software can be used easily and directly to approximately analyze the structures including arc members with perfect precision. Meanwhile the calculating degrees of freedom of the structures were also limited to the acceptable extend. After comparing the results of examples calculated by other different methods,it shows that this simplified method can provide satisfactory precision.

机译：本文开发了一种简化的有限元分析方法，称为等效刚度中心法，以模拟弧元的高度与弦长之比有限的刚度性能。通过这种方法，几乎所有的FEM软件都可以轻松，直接地使用，以精确的精度近似分析包括弧形构件的结构。同时，结构的计算自由度也被限制在可接受的范围内。通过比较其他方法计算出的实例结果，表明该简化方法可以提供令人满意的精度。

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《ISISS' 2011;International symposium on innovation sustainability of structures in civil engineering》|2011年|p.1172-1178|共7页
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Wenbo Sun; Wei Huang;
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中图分类建筑结构;建筑结构;
关键词
equivalent-stiffness-center method; equivalent member; arc member;

机译：等效刚度中心法;等效构件;弧形构件;

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A SIMPLIFIED FEM ANALYSIS METHOD FOR ARC MEMBER WITH SMALL RATIO OF THE ARC'S HEIGHT TO THE LENGTH OF CHORD

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