SCATTERING OF ELASTIC WAVES IN ISOTROPIC MEDIA BY SPHERICAL OBSTACLES
Technical Report
·
OSTI ID:4267058
The method of Ying and Truell for studying the scattering of compressional elastic waves by simple spherical obstacles was applied to the analysis of scattering of compressional elastic waves by a fluid-filled cavity and by layered obstacles in which the core of the layered scatterer is a cavity, a rigid sphere, a fluid-filled cavity, or an elastic material of properties different from those of the surrounding medium. A general expression of the scattering cross-section offered to a compressional wave was derived. A sinnilar analysis was made of the scattering of transverse elastic waves. An appendix contains an evaluation of some definite integrals involving associated Legendre polynomials. (auth)
- Research Organization:
- Brown Univ., Providence. Metals Research Lab.
- NSA Number:
- NSA-13-009083
- OSTI ID:
- 4267058
- Report Number(s):
- AD-209373
- Country of Publication:
- United States
- Language:
- English
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