无限大板功能梯度材料反平面裂纹问题的研究Study on Anti-plane Crack of Functionally Graded Material in Infinite Plates
郭昱彤,张雪霞,赵文彬,郭璐
摘要(Abstract):
对功能梯度材料在无限大板上的静态反平面裂纹问题作出了探究。材料物性模型按负指数幂的特定形式变化。利用积分变换—对偶积分方程法且考虑修正贝塞尔函数的渐进性,通过解析法将方程进行相应的转化,求得裂纹尖端应力强度因子的解析式。考查了不均匀系数、裂纹长度、梯度参数对应力强度因子的影响。结果显示,不均匀系数r与应力强度因子正相关;裂纹长度a与应力强度因子正相关;梯度参数c与应力强度因子负相关。
关键词(KeyWords): 积分变换;功能梯度材料;应力强度因子;反平面裂纹
基金项目(Foundation): 山西省自然科学基金(201601D102003)
作者(Author): 郭昱彤,张雪霞,赵文彬,郭璐
参考文献(References):
- [1] 余寿文.断裂力学的历史发展与思考[J].力学与实践,2015,37(3):390-394.
- [2] 黄梦婷,蒲伟.功能梯度材料的热应力分析及研究进展[J].价值工程,2015,34(7):15-16.
- [3] 冯文杰,苏启亮,邹振祝.功能梯度条共线Griffith裂纹反平面剪切冲击[J].力学学报,2003(4):474-479.
- [4] CHEN Y Z,LIN X Y,WANG Z X.Antiplane elasticity crack problem for a strip of functionally graded materials with mixed boundary condition[J].Mechanics Research Communications,2010,37(1):50-53.
- [5] 胡志新,张雪霞,李婵.无限大功能梯度材料反平面裂纹应力场[J].太原科技大学学报,2013,34(2):147-151.
- [6] ZHANG X X,HU Z X,ZHAO W B,et al.The Static Stress Intensity Factor around the Anti-Plane Crack in an Orthotropic Functionally Graded Material[J].Applied Mechanics and Materials,2013,275-277.
- [7] ZHAO W,HU Z,ZHANG X,et al.The dynamic stress intensity factor around the anti-plane crack in an infinite strip functionally graded material under impact loading[J].Theoretical and Applied Fracture Mechanics,2014,74:1-6.
- [8] 李永东,熊涛,张男.轴向剪切条件下功能梯度圆柱形复合材料的界面开裂问题研究[J].装甲兵工程学院学报,2014,28(4):94-98.
- [9] 陆万顺,郭玉斌,李星,等.功能梯度层合结构中反平面运动裂纹问题[J].安徽师范大学学报:自然科学版,2017,40(1):7-12.
- [10] MOJTABA AYATOLLAHI,RASUL BAGHERI,MAHSA NOURAZAR,et al.Analytic solutions of multiple moving cracks in an orthotropic layer bonded to an orthotropic FGM coating[J].Applied Mathematics and Computation,2017,293:394-403.
- [11] VERA PETROVA,SIEGFRIED SCHMAUDER,MIKAEL ORDYAN,et al.Revisit of antiplane shear problems for an interface crack:Does the stress intensity factor for the interface Mode III crack depend on the bimaterial modulus[J].Engineering Fracture Mechanics,2019,106524,ISSN 0013-7944.
- [12] 胡志新.含裂纹功能梯度材料应力强度因子的理论研究[D].太原:太原科技大学,2013.