Uncertainty Analysis of Computational Fluid Dynamics Via Polynomial Chaos

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dc.contributor.authorPerez, Rafael A.en
dc.contributor.committeechairWalters, Robert W.en
dc.contributor.committeememberWang, Joseph J.en
dc.contributor.committeememberBorggaard, Jeffrey T.en
dc.contributor.committeememberBarnwell, Richard W.en
dc.contributor.committeememberCliff, Eugene M.en
dc.contributor.departmentAerospace and Ocean Engineeringen
dc.date.accessioned2014-03-14T20:16:18Zen
dc.date.adate2008-12-11en
dc.date.available2014-03-14T20:16:18Zen
dc.date.issued2008-09-02en
dc.date.rdate2008-12-11en
dc.date.sdate2008-09-15en
dc.description.abstractThe main limitations in performing uncertainty analysis of CFD models using conventional methods are associated with cost and effort. For these reasons, there is a need for the development and implementation of efficient stochastic CFD tools for performing uncertainty analysis. One of the main contributions of this research is the development and implementation of Intrusive and Non-Intrusive methods using polynomial chaos for uncertainty representation and propagation. In addition, a methodology was developed to address and quantify turbulence model uncertainty. In this methodology, a complex perturbation is applied to the incoming turbulence and closure coefficients of a turbulence model to obtain the sensitivity derivatives, which are used in concert with the polynomial chaos method for uncertainty propagation of the turbulence model outputs.en
dc.description.degreePh. D.en
dc.identifier.otheretd-09152008-172324en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-09152008-172324/en
dc.identifier.urihttp://hdl.handle.net/10919/28984en
dc.publisherVirginia Techen
dc.relation.haspartETD_v3.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjecterroren
dc.subjectuncertaintyen
dc.subjectPolynomial chaosen
dc.subjectprobabilisticen
dc.subjectstochasticen
dc.titleUncertainty Analysis of Computational Fluid Dynamics Via Polynomial Chaosen
dc.typeDissertationen
thesis.degree.disciplineAerospace and Ocean Engineeringen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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