Interaction of SH-waves by a Griffith crack in an infinite transversely isotropic medium

✍ Scribed by G. K. Dhawan

• Publisher: Springer Netherlands
• Year: 1993
• Tongue: English
• Weight: 344 KB
• Volume: 23
• Category: Article
• ISSN: 1573-2673
• DOI: 10.1007/bf00042810

✦ Synopsis

As a follow-on to a previous problem involving imposed P-waves, the diffraction of SH-waves by a finite Griffith crack located on a symmetric surface of an infinite transversely-isotropic medium is considered. A Fredholm integral equation is derived for the determination of diffracted field. From the integral equation length symptotic development of the solution is obtained which is valid for wavelength compared to the crack length. For wavelengths comparable with the size of the crack, the integral equation is solved numerically. The stress-intensity factor and displacement field in the vicinity of the crack are compared for a range of values of frequency. The approximate solution is compared with the exact solution.