Source:http://linkedlifedata.com/resource/pubmed/id/19954806
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Predicate | Object |
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rdf:type | |
lifeskim:mentions | |
pubmed:issue |
4-5
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pubmed:dateCreated |
2010-2-17
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pubmed:abstractText |
High-frequency approximations that can be interpreted in terms of the Uniform Geometrical Theory of Diffraction (UGTD) and Uniform Kirchhoff Approximation (UKA) are used to develop a code for modeling ultrasonic scatter of a plane compressional wave by an elliptic crack in the radiating near field. The approximations are intercompared and partially validated against a direct numerical code based on an FD (Finite-Difference) scheme. At present, in many realistic situations the approximate codes of the type described here offer the only viable simulation tool; purely numeric codes are not only much slower, they still require too much computer memory to simulate the complex structure of the radiating near fields.
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pubmed:language |
eng
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pubmed:journal | |
pubmed:citationSubset |
IM
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pubmed:status |
MEDLINE
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pubmed:month |
Apr
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pubmed:issn |
1874-9968
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pubmed:author | |
pubmed:copyrightInfo |
Copyright 2009 Elsevier B.V. All rights reserved.
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pubmed:issnType |
Electronic
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pubmed:volume |
50
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pubmed:owner |
NLM
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pubmed:authorsComplete |
Y
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pubmed:pagination |
529-38
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pubmed:meshHeading | |
pubmed:year |
2010
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pubmed:articleTitle |
The high-frequency description of scatter of a plane compressional wave by an elliptic crack.
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pubmed:affiliation |
Waves and Fields Research Group, ECCE, FESBE, London South Bank University, London SE1 0AA, England, United Kingdom. fradkil@lsbu.ac.uk
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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