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木结构半刚性结点的数值模拟

Keywords: 榫、卯连接,半刚性结点,木结构,响应面法

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Abstract:

榫、卯单元的部位既不是刚结点,也不是铰结点,而是具有半刚性节点性质的单元.为了准确地逼近这种半刚性的榫卯连接刚度,本文总结了木结构半刚性单元研究进展,建立了便于分析计算的榫、卯有限元模型,利用MSC有限元分析软件得到数值计算结果与十字形试验结果模型相比对,采用响应面方法和优化迭代方法得到榫、卯半刚性单元的参数值.该分析方法和结果可应用于大型木结构整体分析中.

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