Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4-5
pubmed:dateCreated
2010-2-17
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.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:status
MEDLINE
pubmed:month
Apr
pubmed:issn
1874-9968
pubmed:author
pubmed:copyrightInfo
Copyright 2009 Elsevier B.V. All rights reserved.
pubmed:issnType
Electronic
pubmed:volume
50
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
529-38
pubmed:meshHeading
pubmed:year
2010
pubmed:articleTitle
The high-frequency description of scatter of a plane compressional wave by an elliptic crack.
pubmed:affiliation
Waves and Fields Research Group, ECCE, FESBE, London South Bank University, London SE1 0AA, England, United Kingdom. fradkil@lsbu.ac.uk
pubmed:publicationType
Journal Article, Research Support, Non-U.S. Gov't