| 考虑剪力滞影响的渡槽单元质量矩阵分析 |
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| 引用本文： | 周士虎. 考虑剪力滞影响的渡槽单元质量矩阵分析[J]. 红水河, 2010, 29(6): 38-42 |
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| 作者姓名： | 周士虎 |
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| 作者单位： | 广西电力工业勘察设计研究院,广西南宁530023 |
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| 摘 要： | 有限元法在结构分析中的应用已经非常成熟,但是在很多具体模型中,由于要求不一样,结构单元刚度矩阵和单元质量矩阵需要考虑的内容不一样,因此结构单元刚度矩阵和单元质量矩阵的型式和内容也有所区别。文章采用理论方法推导出渡槽结构考虑剪力滞影响的单元质量矩阵,使有限元法在渡槽结构的非线性反应分析中得到应用。
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| 关 键 词： | 有限元 剪力滞 渡槽 单元质量矩阵 |
Aqueduct Structure Element Mass Matrix Analysis Considering Shear Lag Effect |
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| ZHOU Shi-hu. Aqueduct Structure Element Mass Matrix Analysis Considering Shear Lag Effect[J]. Hongshui River, 2010, 29(6): 38-42 |
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| Authors: | ZHOU Shi-hu |
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| Affiliation: | ZHOU Shi-hu(Guangxi Electric Power Industry Investigation Design and Research Institute,Nanning 530023) |
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| Abstract: | Finite-element method is very sophisticated in structure analysis,but in many specific models,the demands are different,the element stiffness matrix and the element mass matrix are different,too.That restricts the application of the method in some fields.This article deduces new element mass matrix of the aqueduct considering shear lag effect so that the finite-element method can be used in aqueduct structure nonlinear response analysis. |
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| Keywords: | finite-element method shear lag aqueduct element mass matrix |
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