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- Title
Elastic SH wave propagation in a layered anisotropic plate with interface damage modelled by spring boundary conditions.
- Authors
BOSTRÖ, ANDERS; GOLUB, MIKHAIL
- Abstract
Elastic SH wave propagation in a layered anisotropic plate with interface damage is modelled in several steps. A single interface crack between two half-spaces is first studied and an explicit solution for the crack-opening displacement is obtained at low frequencies. This is then generalised to a random distribution of cracks at the interface and the result is reformulated as a spring boundary condition. As an example of its usefulness, this boundary condition is then used in the derivation of a plate equation by expanding the displacements in power series in the thickness coordinate.
- Subjects
ELASTIC wave propagation; INTERFACES (Physical sciences); BOUNDARY value problems; ELASTIC plates &; shells; EQUATIONS
- Publication
Quarterly Journal of Mechanics & Applied Mathematics, 2009, Vol 62, Issue 1, p39
- ISSN
0033-5614
- Publication type
Article
- DOI
10.1093/qjmam/hbn025