在复合材料正交各向异性连续损伤力学的基础上,引入由应变描述的连续综合变量,损伤演化方案采用综合变量的指数函数.考虑复合材料剪切非线性,通过非线性损伤因子在全局损伤出现之前将其引入本构方程.编写了VUMAT实施损伤模型,介绍连续损伤模型中材料参数的取值方法.对无法通过试验获得的损伤参数,采用遗传算法原理,定义个体适应度为试验及模拟载荷-位移曲线误差,通过编写MATLAB程序调用ABAQUS有限元模型实施参数反演方法.选择了常用铺层结构的复合材料带孔层合板进行仿真参数识别分析,验证了基于遗传算法参数识别方法的可行性.
参考文献
[1] | Chang F K,Chang K Y.A progressive damage model for laminated composites containing stress concentrations[J].Journal of Composite Materials,1987,21(9):834-855. |
[2] | 王丹勇,温卫东,崔海涛.含孔复合材料层合板静拉伸三维逐渐损伤分析[J].力学学报,2005,37(6):788-795.Wang Danyong,Wen Weidong,Cui Haitao.Threedimensional progressive damage analysis of composite laminates containing a hole subjected to tensile loading[J].Chinese Journal of Theoretical and Applied Mechanics,2005,37(6):788-795. |
[3] | 徐焜,许希武.三维编织复合材料渐进损伤的非线性数值分析[J].力学学报,2007,39(3):398-407.Xu Kun,Xu Xiwu.Nonlinear numerical analysis of progressive damage of 3D braided composites[J].Chinese Journal of Theoretical and Applied Mechanics,2007,39(3):398-407. |
[4] | 姜云鹏,岳珠峰.复合材料层合板螺栓连接失效的数值模拟[J].复合材料学报,2005,22(4):177-182.Jiang Yunpeng,Yue Zhufeng.Numerical failure simulation of bolt-loaded composite laminate[J].Acta Materiae Compositae Sinica,2005,22(4):177-182. |
[5] | Batra R C,Gopinath G,Zheng J Q.Damage and failure in low energy impact of fiber-reinforced polymeric composite laminates[J].Composite Structures,2012,94(2):540-547. |
[6] | Matzenmiller A,Lubliner J,Taylor R L.A constitutive model for anisotropic damage in fiber composites[J].Mechanics of Materials,1995,20(2):125-152. |
[7] | Lapczyk I,Hurtado J A.Progressive damage modeling in fiber reinforced materials[J].Composites Part A:Applied Science and Manufacturing,2007,38(11):2333-2341. |
[8] | Linde P,Pleitner J,Boer H,et al.Modeling and simulation of fibre metal laminates[C]//2004 ABAQUS Users' Conference.Boston Massachusetts:ABAQU Inc,2004:421-439. |
[9] | 王跃全,童明波,朱书华.基于CDM的复合材料层合板三维非线性渐进损伤分析[J].南京航空航天大学学报,2009,41(6):709-714.Wang Yuequan,Tong Mingbo,Zhu Shuhua,Three-dimensional nonlinear progressive damage analysis on composite laminates based on continuum damage mechanics[J].Journal of Nanjing University of Aeronautics & Astronautics,2009,41(6):709-714. |
[10] | Chaparro B M,Thuillier S,Menezes L F,et al.Material parameters identification gradient-based,genetic and hybrid optimization algorithms[J].Computational Materials Science,2008,44(2):339-346. |
[11] | Muloz-Rojas · E L P A,Cardoso · M Vaz Jr.Parameter identification of damage models using genetic algorithms[J].Experimental Mechanics,2010,50(5):627-634. |
[12] | 伍乾坤,韩旭,胡德安.一种脆性材料动态本构损伤参数的计算反求方法[J].固体力学学报,2011,32(3):242-248.Wu Qiankun,Han Xu,Hu Dean.An inverse technique for identification of dynamic constitutive damage parameters of brittle materials[J].Chinese Journal of Solid Mechanics,2011,32(3):242-248. |
[13] | 刘军,李玉龙,石霄鹏,等.鸟体本构模型参数反演Ⅱ:模型参数反演研究[J].航空学报,2011,32(5):812-821.Liu Jun,Li Yulong,Shi Xiaopeng,et al.Parameters inversion on bird constitutive model:Part Ⅱ-Study on model parameters inversion[J].Acta Aeronautica et Astronautica Sinica,2011,32(5):812-821. |
[14] | Huang C H,Lee Y J.Experiments and simulation of the static contact crush of composite laminated plates[J].Composite Structures,2003,61(3):265-270. |
[15] | 张彦,朱平,来新民,等.低速冲击作用下碳纤维复合材料铺层板的损伤分析[J].复合材料学报,2006,23(2):150-157.Zhang Yan,Zhu Ping,Lai Xinmin,et al.Low velocity impact damage analysis in carbon fiber reinforced composite laminated plates[J].Acta Materiae Compositae Sinica,2006,23 (2):150-157. |
[16] | Hahn H T,Tsai S W.Nonlinear elastic behavior of unidirectional composite laminae[J].Journal of Composite Materials,1973,7(1):102-118. |
[17] | Shokrieh M M,Lessard L B.Effects of material nonlinearity on the three-dimensional stress state of pin-loaded composite laminates[J].Journal of Composite Materials,1996,30(7):839-861. |
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%