基于层合板Mindlin一阶剪切变形理论,研究了多处分层损伤对复合材料层合板固有特性的影响规律.根据一般分层模型,并采用线性接触模型模拟分层区域上、下子板的相互作用,建立含多个椭圆内埋型分层损伤平面编织层合板自由振动分析有限元模型.通过典型算例分析,讨论了椭圆分层区域长轴与试件纵向夹角对平面编织层合板固有频率的影响.结果表明,对于内埋型分层损伤,表面分层与中间分层对固有频率的影响区别很小;分层区域的长轴与试件纵向夹角越大,损伤对固有频率的影响越大.
参考文献
| [1] | Grady J E,Meyn E H.Vibration testing of impact-damaged composite laminates,NASA/TM-1989-4115[R].Washington:NASA,1989. |
| [2] | Barbero E J,Reddy J N.Modeling of delamination in composite laminates using a layer-wise plate theory[J].International Journal of Solids and Structures,1991,3(3):373-388. |
| [3] | Chattopadhyay A,Gu H.A new hlgher-order plate theory in modeling delamination buckling of composite laminates[J].AIAA Journal,1994,32(8):1709-1718. |
| [4] | Chattopadhyay A,Gu H.Delamination buckling and postbuckling of composite cylindrical shells[J].AIAA Journal,1996,34(6):1279-1285. |
| [5] | Chattopadhyay A,Gu H.Elasticity based solutions for buckling of composite plates[J].AIAA Journal,1998,36(8):1529-1534. |
| [6] | Gu H,Chattopadhyay A.An experimental investigation of delamination buckling and postbuckling of composite laminates[J].Composite Science and Technology,1999,59(6):903-910. |
| [7] | Cho M,Kim J S.Higher-order zig-zag theory for laminated composites with multiple delaminations[J].Journal of Applied Mechanics,2001,68(6):869-877. |
| [8] | Kim J S,Cho M.Buckling analysis for delaminated composites using plate bending elements based on higher-order zig-zag theory[J].International Journal for Numerical Methods in Engineering,2002,55(11):1323-1343. |
| [9] | Kim H S,Zhou X,Chattopadhyay A.An interlaminar stress analysis of shell structures with piezoelectric patch including thermal loading[J].AIAA Journal,2002,40(12):2517-2525. |
| [10] | Kim H S,Chattopadhyay A,Ghoshal A.Dynamic analysis of composite laminates with multiple delamination using improved layerwise theory[J].AIAA Journal,2003,41 (9):1771-1779. |
| [11] | Crawleyy P,Adams R D.A vibration technique for nondestructive testing of fiher composite structures[J].Journal of Composite Materials,1980,13(2):161-175. |
| [12] | Luo H,Hanagud S.Delamination modes in composite plates[J].Journal of Aerospace Engineering,1996,9(4):106-113. |
| [13] | Lee S,Park T,Voyiadjis G Z.Vibration analysis of multi-delaminated beam[J].Composite Part B,2003,34(7):647-659. |
| [14] | Zhu J F,Gu Y,Tong L Y.Formulation of reference surface element and its applications in dynamic analysis of delaminated beam[J].Composite Structures,2005,68(4):481-490. |
| [15] | 朱菊芬,牛海英.含多分层复合材料层合板后屈曲性态研究[J].计算力学学报,2004,21(6):711-717.Zhu Jufen,Niu Haiying.Postbuckling of laminated composite with multiple delaminations[J].Chinese Journal of Computational Mechanics,2004,21(6):711-717. |
| [16] | 吉桂秀,李娇颜,陈浩然.多分层对复合材料层合板自振特性的影响[J].复合材料学报,2007,24(4):161-165.Ji Guixiu,Li Jiaoyan,Chen Haoran.Effect of multiple delaminations on free vibration characteristic for composite laminates[J].Acta Materiae Composite Sinica,2007,24(4):61-165. |
| [17] | Hong M,Chen H R.Dynamic behavior of laminated composite plates with delamination[J].Ship Mechanics,2000,4(6):28-38. |
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%