基于有限元方法,研究了复合材料加筋层合板阶梯式挖补修理的稳定性问题.利用商用有限元分析软件MSC.Patran/Nastran,建立了复合材料层合板阶梯式挖补修理结构稳定性三维有限元分析模型.并通过所得屈曲特征值计算出修补结构临界失稳载荷,拟合出临界失稳载荷图,分析得出不同筋距、加筋数、挖补阶数和胶层厚度对复合材料层合板阶梯式挖补修理结构稳定性的影响规律.
参考文献
| [1] | 薛克兴.复合材料结构的损伤与修补[M].北京:航空工业出版社,1992 |
| [2] | 孟凡颢,陈绍杰,童小燕.层压板修理设计中的参数选择问题[J].复合材料学报,2001(04):123-127. |
| [3] | BARUT A;HANAUAKA J;MADENCI E .Analysis method for bonded patch repair of a skin with a cutout[J].Composite Structurees,2002,55(03):277-294. |
| [4] | ENGELS H;BECKER W .Closed form analysis of external patch repairs of laminates[J].Computers & Structures,2002,56(03):259-268. |
| [5] | Soutis C.;Hu FZ. .Failure analysis of scarf-patch-repaired carbon fiber/epoxy laminates under compression[J].AIAA journal,2000(4):737-740. |
| [6] | 王宇光,江璐霞,黎观生,张庆茂,李黎.复合材料结构修理研究现状[J].航空维修与工程,2003(3):31-34. |
| [7] | Hart-Smith L J .Adhesive-bonded scarf and stepped-lap joints[NASA-CR-112237][R].Hampton VA:Langley Research Center,1973. |
| [8] | 陈光伟;王富有;张国利;陈利.阶梯型对接层合板复合材料力学性能的试验研究[J].材料工程,2009(02):182-185. |
| [9] | 喻梅,胡新宇.复合材料挖补修理结构的有限元建模及精度影响分析[J].安徽建筑工业学院学报（自然科学版）,2009(06):1-6. |
| [10] | Hadi,B.K;Matthews,F.L.Predicting the buckling load of anisotropic sandwich panels:an approach including shear deformation of the faces[J].Computers & Structures,1998(42):245-255. |
| [11] | I.M.Daniel;E.E.Gdoutos;Y.D.S.Rajapakse.Major AccomplishmentsinComposite Materials and Sandwich Structures[M].Chemistry and Materials Science |
| [12] | F. Mortensen;O.T. Thomsen .Analysis of adhesive bonded joints: a unified approach[J].Composites science and technology,2002(7/8):1011-1031. |
| [13] | G.P. Zou;K. Shahin;F. Taheri .An analytical solution for the analysis of symmetric composite adhesively bonded joints[J].Composite Structures,2004(3/4):499-510. |
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%