THE FREE VIBRATION ANALYSIS OF THE STEEL FRAME STRUCTURE INCLUDING INFLUENCE OF CONNECTION'S FLEXIBILITY AND THE SECOND-ORDER EFFECT
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摘要: 利用考虑节点柔性和二阶效应的二阶弹性分析单元刚度矩阵,采用有限单元法对半刚性钢框架进行了自由振动研究。通过对各算例计算所得自振频率的分析比较,探讨了各种因素对自由振动分析的影响。Abstract: Based on the second-order analysis of elastic element stiffness matrix considering connection's flexibility and second-order effect,a finite element method is used to study free vibration of semi-rigid steel frame.Through the comparison of examples' natural frequency,different factors influencing free vibration analysis are discussed.
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Key words:
- semi-rigidity /
- second-order effect /
- free vibration analysis /
- natural frequency
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1. 刘晓,贺海阳,杨佳,回彦川,王杰. 高强钢管混凝土的耐火极限. 沈阳大学学报(自然科学版). 2023(03): 254-260 . 百度学术
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