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High-order Numerical Schemes For High-speed Flows

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High-order Numerical Schemes For High-speed Flows

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dc.contributor.author Oliveira, Maria Luisa Bambozzi en_US
dc.date.accessioned 2009-09-16T18:18:53Z
dc.date.available 2009-09-16T18:18:53Z
dc.date.issued 2009-09-16T18:18:53Z
dc.date.submitted January 2009 en_US
dc.identifier.other DISS-10267 en_US
dc.identifier.uri http://hdl.handle.net/10106/1709
dc.description.abstract A numerical scheme with high order of accuracy is necessary to resolve small length scales in flow transition and turbulence processes. However, numerical simulation for shock-boundary layer interaction, shock-acoustic interaction, porous media flow and multiple phase flow, among others, also require a numerical scheme that can successfully capture discontinuities. To accomplish this, it is essential that an effective shock/discontinuity detector is implemented to reduce damping of physically important high-frequency waves.In this work, two high-order shock capturing schemes - the Weighted Essentially Non-Oscillatory (WENO) scheme and the Weighted Compact Scheme (WCS) - are investigated. Based on this analysis, a shock/discontinuity detector is developed. Results show that the detector is robust and is capable of detecting strong, weak and oblique shocks or discontinuities. en_US
dc.description.sponsorship Liu, Chaoqun en_US
dc.language.iso EN en_US
dc.publisher Mathematics en_US
dc.title High-order Numerical Schemes For High-speed Flows en_US
dc.type Ph.D. en_US
dc.contributor.committeeChair Liu, Chaoqun en_US
dc.degree.department Mathematics en_US
dc.degree.discipline Mathematics en_US
dc.degree.grantor University of Texas at Arlington en_US
dc.degree.level doctoral en_US
dc.degree.name Ph.D. en_US
dc.identifier.externalLink http://www.uta.edu/ra/real/editprofile.php?onlyview=1&pid=84
dc.identifier.externalLinkDescription Link to Research Profiles

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