T-stress analysis for a Griffith crack in a magnetoelectroelastic solid
T-stress analysis for a Griffith crack in a magnetoelectroelastic solid
复制标题
磁电弹性固体中格里菲斯裂纹的 T 应力分析
DOI:
10.1007/s00419-007-0143-z
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发表时间:
2008-02
影响因子:
2.8
通讯作者:
Li, Xian-Fang
中科院分区:
文献类型:
--
作者:
Zhong, Xian-Ci;Li, Xian-Fang
T-stress as an important parameter characterizing the stress field around a cracked tip has attracted much attention. This paper concerns theT-stress near a cracked tip in a magnetoelectroelastic solid. By applying the Fourier transform, we solve the associated mixed boundary-value problem. Adopting crack-faces electromagnetic boundary conditions nonlinearly dependent on the crack opening displacement, coupled dual integral equations are derived. Then, the closed-form solution for theT-stress is obtained. A comparison of theTstresses for a cracked magnetoelectroelastic solid and for a cracked purely elastic material is made. Obtained results reveal that in addition to applied mechanical loading, theT-stress is dependent on electric and magnetic loadings for a vacuum crack.
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