典型文献
Buckling of composite cylindrical shells with ovality and thickness variation subjected to hydrostatic pressure
文献摘要：
The initial geometric imperfection is one of the primary factors affecting the buckling behaviors of composite cylindrical shells under hydrostatic pressure.In this study,ovality and thickness variations as two representative types of the geometric imperfections are considered.After measuring the geometric imperfections,a typical carbon fiber reinforced polymers(CFRP)cylindrical shell is tested to obtain the buckling pressure.The buckling behaviors of the shell sample are analyzed in combination with the strain responses.By using the nonlinear numerical analysis,the buckling shapes of the CFRP cylinder shells with different combinations of ovality and thickness variation are firstly discussed.The rules of influence of such imperfections on the buckling pressure are then obtained by nonlinear regression method.Finally,an empirical formula is proposed to predict the buckling pressure of the composite cylinder shells,and the calculated results from the formula are in good agreement with the numerical results.
文献关键词：
中图分类号：
作者姓名：
Zhun Li;Ke-chun Shen;Xin-hu Zhang;Guang Pan
作者机构：
School of Marine Science and Technology,Northwestern Polytechnical University,Xi'an,710072,China;Key Laboratory for Unmanned Underwater Vehicle,Northwestern Polytechnical University,Xi'an,710072,China;Structural Ceramics and Composites Engineering Research Center,Shanghai Institute of Ceramics,Chinese Academy of Sciences,Shanghai,200050,China
文献出处：
引用格式：
[1]Zhun Li;Ke-chun Shen;Xin-hu Zhang;Guang Pan-.Buckling of composite cylindrical shells with ovality and thickness variation subjected to hydrostatic pressure)[J].防务技术,2022(05):862-875
A类：
ovality
B类：
Buckling,composite,cylindrical,shells,thickness,subjected,hydrostatic,pressure,initial,geometric,one,primary,factors,affecting,buckling,behaviors,under,In,this,study,variations,two,representative,types,imperfections,are,considered,After,measuring,typical,carbon,fiber,reinforced,polymers,CFRP,tested,sample,analyzed,strain,responses,By,using,nonlinear,numerical,analysis,shapes,cylinder,different,combinations,firstly,discussed,rules,influence,such,then,obtained,by,regression,method,Finally,empirical,formula,proposed,predict,calculated,results,from,good,agreement
AB值：
0.471247
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