基于虚拟裂纹闭合法计算组合材料的应变能释放率

复合材料科学与工程 ›› 2013, Vol. 0 ›› Issue (3): 8-12.

基于虚拟裂纹闭合法计算组合材料的应变能释放率

陈玉良¹, 程宸², 万水², 蒋正文²

1.南京市公路建设处,江苏南京 210008;
2.东南大学交通学院,江苏南京 210096

收稿日期:2012-10-18 出版日期:2013-05-28 发布日期:2022-03-16
作者简介:陈玉良(1966-) ,男,高级工程师,主要从事公路与城市道路方面的研究,chenyl_nj@163.com。
基金资助:
国家自然科学基金(50978055); 973 项目(2012CB026200)

BASED ON VIRTUAL CRACK CLOSE TECHNIQUE THE CALCULATION OF STRAIN ENERGY RELEASE RATE FOR COMPOSITE MATERIAL

CHEN Yu-liang¹, CHENG Chen², WAN Shui², JIANG Zheng-wen²

1. The Highway Construction Place of Nanjing,Nanjing 210008,China;
2. School of Transportation,Southeast University,Nanjing 210096,China

Received:2012-10-18 Online:2013-05-28 Published:2022-03-16

摘要/Abstract

摘要： 本文研究了将虚拟裂纹闭合法应用ANSYS 有限元计算软件,计算组合材料的应变能释放率。在有限元计算中,为了减小后处理工作量,将弹簧单元施加在裂纹尖端。在实际的有限元计算中,COMBIN14 单元被用来建立有限元模型,从而将求解过程和后处理过程联系起来,自动计算出能量释放率。随后,将该方法应用于计算组合材料的应变能释放率,进行数值模拟实验。通过分析比较数值计算结果和理论值,表明该数值分析方法所计算出的应变能释放率与理论值完全符合,该数值分析方法是一种高效,精确的数值分析方法。

关键词: 虚拟裂纹闭合法, ANSYS, 应变能释放率, 组合材料

Abstract: Compulation of the strain energy release rate for composite material,based on the virtual close technique,is studied. During the calculation in the finite element,in order to reduce the processing workload,the spring element is applied at the tip of the crack. In practical applications,with Combin14 spring elements are being adopted to establish the finite element model,the solving process and post process are linked,so the the energy release rate can be calculated quickly. Then,this technique is applied to calculate the strain energy release rate for composite material,and the technique is taken to do numerical simulation experiment. Comparing the numerical results and theoretical values,it shows that the calculated values of the strain strain energy release rate are well with the theoretical values. This numerical analysis method is an efficient and accurate numerical analysis method.

Key words: virtual crack close technique, ANSYS, strain energy release rate, composite materials

中图分类号:

TB332

陈玉良, 程宸, 万水, 蒋正文. 基于虚拟裂纹闭合法计算组合材料的应变能释放率[J]. 复合材料科学与工程, 2013, 0(3): 8-12.

CHEN Yu-liang, CHENG Chen, WAN Shui, JIANG Zheng-wen. BASED ON VIRTUAL CRACK CLOSE TECHNIQUE THE CALCULATION OF STRAIN ENERGY RELEASE RATE FOR COMPOSITE MATERIAL[J]. COMPOSITES SCIENCE AND ENGINEERING, 2013, 0(3): 8-12.

参考文献

[1] Xie D. Damage progression in tailored laminated panels with a cutout and delamination growth in sand with panels with tailored face sheets[D]. Clemson: Clemson University,2002.
[2] Xie D,Biggers Jr. S B. Progressive crack growth analysis using interface element based on the virtual crack closure technique[J]. Finite Elements in Analysis and Design,2006,(11): 977-984.
[3] Rybicki E F,Kannimen M F: A finite element calculation of stress intensity factors by a modified crack-closure integral[J]. Engineering Fracture Mechanics, 1977,(9): 931-938.
[4] Shivakumar K N,Tan P W,Newman J J C. A Virtual crack-closure technique for calculating stress intensity factors for cracked three dimensional bodies[J]. International Jour of Fracture,1988,(3 ):43-50.
[5] Hutchinson J W,Suo Z. Mixed-mode cracking in layered materials[J]. Advances in Applied Mechanics, 1992,29: 63-191.
[6] Suo Z. Delamination specimen for orthotropy materials[J]. Journal of Applied Mechanics,1990,57: 627-634.
[7] Dundurs J. Edge-bond dissimilar orthogonal elastic wedges[J]. Journal of Applied Mechanics, 1969,(36): 650-652.
[8] Sun C T,Jih C J. On strain energy release rates for interfacial cracks in bi-material media[J]. Engineering Fracture Mechanics,1987,(28): 13-20.
[9] Sun C T,Qian W. The use of finite extension strain energy release rates in fracture of interfacial cracks[J]. International Journal of Solid and Structures,1997,(2): 2595-2609.
[10] Matos P P L,McMeeking R M,Charalambides P G,et al. A method for calculating stress intensities in bimaterial fracture[J]. International Journal of Fracture,1989,(40): 235-254.
[11] Charalambides P G,Lund J,Evans A G,et al. A test specimen for determining the fracture resistance of biomaterial interfaces[J]. Journal of Applied Mechanics, 1989,(56): 77-82.
[12] Atkinson,C. On stress singularities and interfaces in linear fracture mechanics[J]. International Journal of Fracture,1977,(13 ):807-820.
[13] Davidson B. D. Energy release rate determination of edge delamination under combined in-plane,bending and hygrothermal loading[J]. Journal of Composite Material,1994,(28): 1009-1031.
[14] Johnson,M. J.,Sridharan,S. Evaluation of strain energy release rate in delaminated laminates under compressive[J]. AIAA Journal,1999,(37): 954-963.
[15] Raiju I. S.,Crews Jr.,J. H.,Aminpour,M. A. Convergence of strain energy release rate components for edge-delaminated composite laminates[J]. Engineering Fracture Mechanics, 1998,(30): 383-396.
[16] Anderson T L. Fracture Mechanics: Fundamentals and Applicaions[M]. 2nd Edition. Boca Raton: CRC,1995.
[17] 王新敏. ANSYS 工程结构数值分析[M]. 北京: 人民交通出版社,2007,10.
[18] 王新敏,李义强,许宏伟. ANSYS 结构分析单元与应用[M]. 北京: 人民交通出版社,2011,10.