| 几种空腹网壳的自振特性理论研究 |
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| 引用本文： | 陈春红,黄勇,谢燕君,王四海,杨倩. 几种空腹网壳的自振特性理论研究[J]. 贵州大学学报(自然科学版), 2011, 28(4): 90-95,109 |
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| 作者姓名： | 陈春红 黄勇 谢燕君 王四海 杨倩 |
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| 作者单位： | 贵州大学土木建筑工程学院,贵州贵阳,550003 |
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| 基金项目： | 贵州省优秀教育科技人才省长专项基金项目(Z063011) |
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| 摘 要： | 采用有限元软件ANSYS建立了球面、柱面以及双扁壳三种空腹网壳为算例的三维空间梁单元计算模型,探讨了在结构参数矢跨比、网壳厚度、网格尺寸和杆件截面对空腹网壳动力特性的影响.本文提取了前20阶自振频率和前12阶模态振型,分析了三类网壳自振频率和基本频率在上述参数变化时的变化规律,以及网壳模态振型随阶次增加的振动规律,对空...
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| 关 键 词： | 自振特性 空腹网壳 参数化分析 振型 |
Theory Research on the Characteristics of the Free Vibration of Several Vierendeel Shells |
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| CHEN Chun-hong,HUANG Yong,XIE Yan-jun,WANG Si-hai,YANG Qian. Theory Research on the Characteristics of the Free Vibration of Several Vierendeel Shells[J]. Journal of Guizhou University(Natural Science), 2011, 28(4): 90-95,109 |
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| Authors: | CHEN Chun-hong HUANG Yong XIE Yan-jun WANG Si-hai YANG Qian |
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| Affiliation: | CHEN Chun-hong,HUANG Yong,XIE Yan-jun,WANG Si-hai,YANG Qian (School of Civil Engineering and Architecture,Guizhou University,Guiyang 550003,China) |
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| Abstract: | Three calculated models of Spherical,Hyperboloid and Cylindrical Vierendeel Latticed Flat Shell were established by finite element software ANSYS.The influence of dynamic characteristics on structure parameters of ratio of height and span,grid size,shell thickness and Grid rods section was discussed.The top 20 rank-order frequency and top 12 rank-order mode shape were extracted.The rule of three types of vierendeel shell vibration frequency and fundamental frequency which changed with the parameters told ab... |
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| Keywords: | free vibration characteristics vierendeel shell parameterized analysis mode shape |
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