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Elastic wave scatte...
Elastic wave scattering from an interface crack: antiplane strain
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- Boström, Anders E, 1951 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 1987
- 1987
- Engelska.
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Ingår i: Journal of Applied Mechanics, Transactions ASME. - 0021-8936. ; 54, s. 503-508
- Relaterad länk:
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https://research.cha...
Abstract
Ämnesord
Stäng
- The two-dimensional scalar problem of scattering of elastic waves under antiplane strain from an interface crack between two elastic half-spaces is considered. The method used is a direct integral equation method with the crack-opening displacement as the unknown. Chebyshev polynomials are used as expansion functions and the matrix in the resulting equations is simplified by contour integration techniques. The scattered far field is expressed explicitly in simple functions and the expansion coefficients. The consequences of energy conservation are explored and are used as a check in the numerical implementation. For incoming plane waves numerical results are given for the total scattered energy and the far field amplitude.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Maskinteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Mechanical Engineering (hsv//eng)
Nyckelord
- scattering
- interface crack
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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