Scattering of the SH wave by a crack magneto-electro-elastic material substrate bonded to piezoelectric material

作者：Yang, J.; Li, X.^*

来源：Theoretical and Applied Fracture Mechanics, 2014, 74: 109-115.

DOI：10.1016/j.tafmec.2014.08.005

• SH wave scattering
• Piezoelectric material
• Magneto-electro-elastic material
• Dynamic stress intensity factor
• The Copson method

The present work investigates the problem of the scattering of the SH wave in an arbitrary direction by a crack in a semi-infinite magneto-electro-elastic material bonded to a half-space of piezoelectric material using the Copson method. Fourier transforms are used to reduce the problem to the solution of a pair of dual integral equations. The solution of the dual integral equations is then expressed in terms of a Fredholm integral equation of the second kind. The normalized dynamic stress intensity factor at the crack tip is obtained, and numerical results are provided to show the influence of the crack length, the distance from the crack to the interface, wave number and the incidence angle upon the normalized dynamic stress intensity factor.

• 出版日期2014-12
• 单位宁夏大学