研究了复合材料整体加筋板在轴压作用下的后屈曲传载机制:采用商业有限元软件ABAQUS建立加筋板有限元模型,对其轴压后屈曲过程进行了模拟;并对局部屈曲和总体屈曲阶段的内力情况以及传载特性进行了细致的分析,获得了节点线与反节点线的合力和力矩的分布规律.计算结果与试验数据吻合良好.最后指出了节点线与反节点线是后屈曲阶段缘条/蒙皮界面最先可能失效的位置,并指出了诱发失效的主要原因分别为合力矩M_(xy),和M_y.
参考文献
| [1] | 陈桂娟,矫桂琼,熊伟,王忠平.复合材料层合板非线性后屈曲特性的研究[J].武汉科技大学学报:自然科学版.2005,28(1):103-107.Chen Guijuan.Jiao Guiqiong,Xiong Wei,Wang Zhongping.Nonlinear postbuckling behavior of composite laminated plates[J].Journal of Wuhan University of Science ＆ Technology:Natural Science Edition,2005,28(1):103-107. |
| [2] | 宁晋建.章怡宁,黄宝宗,刘均.复合材料加筋壁板的后屈曲逐步损伤及承载能力研究[J].飞机设计,2006,3(1):7-10.Ning Jinjian,Zhang Yining,Huang Baozong,Liu Jun Study on the postbuckling behavior and load carrying capabilities of stiffened composite panels[J].Aircraft Design,2006,3(1):7-10. |
| [3] | Zimmermann R,Rolfes R.POSICOSS-improved postbuckling simulation for design of fibre composite stiffened fuselage structures[J].Composite Structures,2006,73(2):171-174. |
| [4] | Degenhardt R,Rolfes R,Zimmermann R,Rohwer K.COCOMAT-improved material exploitation at safe design of composite airframe structures by accurate simulation of postbuckling and collapse[J].Composite Structures,2006,73(2):175-178. |
| [5] | Degenhardt R,Kling A,Rohwer K,Orifici A C,Thomson R S.Design and analysis of stiffened composite panels including post-buckling and collapse[J].Computers and Structures,2008,86(9):919-929. |
| [6] | Falzon B G,Stevens K A,Davies G O.Postbuckling behaviour of a blade-stiffened composite panel loaded in uniaxial compression[J].Composites Part A,2000,31(5):459-468. |
| [7] | Koundouros M.In-plane compressive behaviour of stiffened thin-skinned composite panels with a stress concentrator[D].London:Imperial College London.2005:102-120. |
| [8] | Orifici A C,Shah S A,Herszberg I,Kotler A,Weller T.Failure analysis in postbuckled composite T-sections[J].Composite Structures,2008,86(1/3):146-153 |
| [9] | Orifici A C,Thomson R S,Herszberg I,Weller T,Degenhardt R,Bayandor J.An analysis methodology for failure in postbuckling skin-stiffener interfaces[J].Composite Structures,2008,86(1/3):186-193. |
| [10] | Stevens K A,Ricci R,Davies G A O.Buckling and postbuckling of composite structures[J].Composites,1995,26(3):189-199. |
| [11] | 孔斌,叶强,陈普会,柴亚南.复合材料整体加筋板轴压后屈曲失效表征[J].复合材料学报,2010,27(5):150-155.Kong Bin,Ye Qiang,Chen Puhui,Chai Ya'nan.Postbuckling failure characteristics of an integrated composite panel under uniaxial compression[J].Acta Materiae Compositae Sinica,2010,27(5):150-155. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%