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Dynamic thermoelastic effects for half-planes and half-spaces with nearly-planar surfaces

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dc.contributor.author Brock, LM en
dc.contributor.author Rodgers, M en
dc.contributor.author Georgiadis, HG en
dc.date.accessioned 2014-03-01T01:11:55Z
dc.date.available 2014-03-01T01:11:55Z
dc.date.issued 1996 en
dc.identifier.issn 0374-3535 en
dc.identifier.uri https://dspace.lib.ntua.gr/xmlui/handle/123456789/11859
dc.subject thermoelasticity en
dc.subject surface en
dc.subject nearly-planar en
dc.subject dynamic en
dc.subject temperature en
dc.subject.classification Engineering, Multidisciplinary en
dc.subject.classification Materials Science, Multidisciplinary en
dc.subject.classification Mechanics en
dc.title Dynamic thermoelastic effects for half-planes and half-spaces with nearly-planar surfaces en
heal.type journalArticle en
heal.identifier.primary 10.1007/BF00042134 en
heal.identifier.secondary http://dx.doi.org/10.1007/BF00042134 en
heal.language English en
heal.publicationDate 1996 en
heal.abstract The effects of non-planarity on the dynamic surface temperature changes induced for plane-strain and 3D problems on the nearly-planar surfaces of, respectively, coupled thermoelastic half-planes and half-spaces by surface heat fluxes are treated. The nearly-planar nature of the surfaces allows the problem solutions to be written, following a standard perturbation scheme, as series expansions in a dimensionless surface contour amplitude parameter. The first, or zero-order, terms represent the ideal (planar) surface solutions, while the second, or first-order, terms represent corrections for non-planarity. Because the characteristic thermoelastic time is of O(10(-7))mu s, large-time asymptotic forms of the exact integral transform solutions can be used. These can be inverted exactly and used in Green's function operations to yield analytic, or integrals of analytic, expressions. Two types of thermal loading for the half-plane and yet a third type of thermal loading for the half-space are considered. Comparison of the zero- and first-order surface temperature changes for each case indicate that nonplanarity gives rise for large times to changes in surface regions beyond those predicted by an ideal surface analysis. Moreover, the magnitudes of these changes can be more significant than the ideal surface results. en
heal.publisher KLUWER ACADEMIC PUBL en
heal.journalName JOURNAL OF ELASTICITY en
dc.identifier.doi 10.1007/BF00042134 en
dc.identifier.isi ISI:A1996WB06800004 en
dc.identifier.volume 44 en
dc.identifier.issue 3 en
dc.identifier.spage 229 en
dc.identifier.epage 254 en


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