| K8型单层球面网壳非线性动力稳定分析 |
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| 引用本文： | 路维,孙建恒,孙超,赵淑丽.K8型单层球面网壳非线性动力稳定分析[J].河北农业大学学报,2009,32(2). |
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| 作者姓名： | 路维 孙建恒 孙超 赵淑丽 |
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| 作者单位： | 1. 河北农业大学,城乡建设学院,河北,保定,071001
2. 保定职业技术学院,河北,保定,071001 |
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| 摘 要： | 以K8型单层球面网壳为研究对象,依据非线性有限元理论,分析了K8型单层球面网壳的几何非线性动力稳定性。在数值分析过程中,利用比例法调整地震作用的峰值加速度,采用B-R准则判定结构的动力稳定临界荷载。通过分析,对K8型单层球面网壳在竖向地震荷载作用下的动力稳定性能有了较全面的了解。
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| 关 键 词： | K8型网壳 非线性有限元 竖向地震作用 动力稳定分析 |
Nonlinear dynamic stability analysis of K8 single-layer latticed domes |
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| LU Wei,SUN Jian-heng,SUN Chao,ZHAO Shu-li.Nonlinear dynamic stability analysis of K8 single-layer latticed domes[J].Journal of Agricultural University of Hebei,2009,32(2). |
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| Authors: | LU Wei SUN Jian-heng SUN Chao ZHAO Shu-li |
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| Institution: | 1.College of Urban and Rural Construction;Agricultural University of Hebei;Baoding 071001;China |
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| Abstract: | The K8 single-layer latticed domes' s dynamic stability is analyzed systematically under the vertical earthquake loading in this paper.Based on nonlinear finite element theory,the stability are studied considering large deflection.In the numerical analysis,the proportional method is used to adjust the acceleration value of the earthquake loads,and the B-R rule is used to determine the dynamic stability critical loads of the structures.Some suggestion about this structure is presented. |
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| Keywords: | K8 grid shell nonlinear finite element method vertical earthquake loading dynamic stability analysis |
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