土木工程中的稳定性与振动

IF 0.5 Q4 ENGINEERING, CIVIL

Gradevnski Materijiali I Konstrukcije-Building Materials and Structures Pub Date : 2014-01-01 DOI:10.5937/GRMK1402003R

J. Ravinger

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引用次数: 0

摘要

冯·卡门理论被用于描述带有缺陷和残余应力的薄壁板的后屈曲行为。利用增量形式的哈密顿原理建立了自由振动问题。给出了柱、框架和细长腹板受压屈曲的实例，强调了不同类型的支撑。分析了几何缺陷模态的影响，并给出了考虑残余应力的近似解。理论和数值结果与室内实验结果进行了比较。

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Stability and vibration in civil engineering

Von Karman theory has been used for the description of the post-buckling behaviour of a thin- walled panel with imperfections and residual stresses. Using Hamilton's principle in incremental form the problem of free vibration has been established. Examples of buckling of a column, frame and a slender web loaded in compression emphasizing different types of support are presented. An influence of the mode of the geometrical imperfection is shown and an approximate solution taking into account the residual stresses is found. Theoretical and numerical results are compared with the results from a laboratory experiment. .

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来源期刊

Gradevnski Materijiali I Konstrukcije-Building Materials and Structures ENGINEERING, CIVIL-

自引率

25.00%

发文量

审稿时长

4 weeks