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**Harvard**

Boström, A. och Eriksson, A. (1993) *Scattering by two penny-shaped cracks with spring boundary conditions*.

** BibTeX **

@article{

Boström1993,

author={Boström, Anders and Eriksson, Arne S.},

title={Scattering by two penny-shaped cracks with spring boundary conditions},

journal={Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences},

issn={1364-5021},

volume={443},

pages={183-201},

abstract={The elastodynamic scattering by a penny-shaped crack with spring boundary conditions is investigated. The transition (T) matrix of the crack is determined and the usefulness of this is illustrated by considering also the scattering by two cracks. The T matrix of a single crack is first determined by a direct integral equation method which gives the crack-opening displacement and the integral representation which subsequently gives the scattered field expanded in spherical waves. Two cracks are considered by a multi-centred T matrix approach where matrix inverses are expanded in Neuman series. Rotation matrices are employed so that the cracks may have an arbitrary rotation. The back-scattered longitudinal far field amplitude is computed both in the frequency and time domain in a few cases and the effects due to multiple scattering are in particular explored. },

year={1993},

keywords={elastix waves, scattering, circular crack},

}

** RefWorks **

RT Journal Article

SR Print

ID 191821

A1 Boström, Anders

A1 Eriksson, Arne S.

T1 Scattering by two penny-shaped cracks with spring boundary conditions

YR 1993

JF Proceedings of the Royal Society. Mathematical, Physical and Engineering Sciences

SN 1364-5021

VO 443

SP 183

OP 201

AB The elastodynamic scattering by a penny-shaped crack with spring boundary conditions is investigated. The transition (T) matrix of the crack is determined and the usefulness of this is illustrated by considering also the scattering by two cracks. The T matrix of a single crack is first determined by a direct integral equation method which gives the crack-opening displacement and the integral representation which subsequently gives the scattered field expanded in spherical waves. Two cracks are considered by a multi-centred T matrix approach where matrix inverses are expanded in Neuman series. Rotation matrices are employed so that the cracks may have an arbitrary rotation. The back-scattered longitudinal far field amplitude is computed both in the frequency and time domain in a few cases and the effects due to multiple scattering are in particular explored.

LA eng

OL 30