| SH波与功能梯度材料静止裂纹的相互作用 |
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| 引用本文： | 陈晓岚, 毕贤顺, 程靳. SH波与功能梯度材料静止裂纹的相互作用[J]. 固体力学学报, 2003, 24(1): 95-97. doi: 10.3969/j.issn.0254-7805.2003.01.014 |
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| 作者姓名： | 陈晓岚 毕贤顺 程靳 |
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| 作者单位： | 中国航天科工集体第二研究院二部,北京,100854; 中国航天科工集体第二研究院二部,北京,100854; 中国航天科工集体第二研究院二部,北京,100854 |
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| 摘 要： | 利用功能梯度材料剪切模量和密度的指数模型,利用积分变换-积分方程方法,对无限大体SH波作用下的功能梯度材料裂纹进行了求解.通过理论分析给出了裂纹尖端的动应力强度因子,通过数值计算给出了材料的剪切模量梯度、频率对动应力强度因子的影响.
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| 关 键 词： | 功能梯度材料 梯度参数 动应力强度因子 |
| 修稿时间： | 2001-06-15 |
INTERACTION BETWEEN SH-WAVES AND STATIC CRACK IN FUNCTIONALLY GRATED MATERIALS |
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| INTERACTION BETWEEN SH-WAVES AND STATIC CRACK IN FUNCTIONALLY GRATED MATERIALS[J]. Chinese Journal of Solid Mechanics, 2003, 24(1): 95-97. doi: 10.3969/j.issn.0254-7805.2003.01.014 |
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| Authors: | Chen Xiaolan Bi Xianshun Cheng Jin |
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| Abstract: | Assumed the materials' shear modulus and density are both exponential functions of the coordinate, and the integral transforms and dual integral equation methods are used to study, a finite crack in FGMs subjected to SH-waves loads. By theoretical analysis, the crack tip stress intensity factors are obtained. By numerical method, the effects of the graded parameter and frequency of SH-wave on dynamic stress intensity factor are discussed. |
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| Keywords: | functionally graded material graded parameter dynamic stress intensity factor |
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