Trace finite element method for material surface flows

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dc.contributor.advisorOlshanskii, Maxim A.
dc.contributor.committeeMemberMamonov, Alexander V.
dc.contributor.committeeMemberMang, Andreas
dc.contributor.committeeMemberDemlow, Alan
dc.creatorZhiliakov, Alexander
dc.creator.orcid0000-0002-5534-5458
dc.date.accessioned2023-01-18T02:12:55Z
dc.date.createdMay 2022
dc.date.issued2022-05-03
dc.date.updated2023-01-18T02:12:56Z
dc.description.abstractThis dissertation studies a geometrically unfitted finite element method (FEM), known as trace FEM, for the numerical solution of the Navier-Stokes problem posed on a closed smooth material surface. The key result proved is an inf-sup stability of the discrete formulation based on standard Taylor-Hood bulk elements, with the stability constant uniformly bounded w.r.t. the mesh parameter and position of the surface in the bulk mesh. Optimal order convergence rates follow from this new stability result and interpolation properties of the trace FEM. An augmented Lagrangian preconditioner which is robust w.r.t. variation of the Reynolds number is proposed, along with an efficient recycling strategy of the velocity matrix factorization. Eigenvalue bounds for the preconditioned Schur complement are derived. Properties of the proposed method are illustrated with numerical examples which include simulation of Kelvin--Helmholtz instability at different Reynolds numbers on a sphere and torus, as well as tangential flow induced by inextensible radial deformations of a surface.
dc.description.departmentMathematics, Department of
dc.format.digitalOriginborn digital
dc.format.mimetypeapplication/pdf
dc.identifier.citationPortions of this document appear in: Olshanskii, Maxim, Arnold Reusken, and Alexander Zhiliakov. "Inf-sup stability of the trace 𝐏₂–𝐏₁ Taylor–Hood elements for surface PDEs." Mathematics of Computation 90, no. 330 (2021): 1527-1555; and in: Olshanskii, Maxim A., and Alexander Zhiliakov. "Recycling augmented Lagrangian preconditioner in an incompressible fluid solver." Numerical Linear Algebra with Applications 29, no. 2 (2022): e2415; and in: Olshanskii, Maxim A., Arnold Reusken, and Alexander Zhiliakov. "Tangential Navier-Stokes equations on evolving surfaces: Analysis and simulations." arXiv preprint arXiv:2203.01521 (2022).
dc.identifier.urihttps://hdl.handle.net/10657/13640
dc.language.isoeng
dc.rightsThe author of this work is the copyright owner. UH Libraries and the Texas Digital Library have their permission to store and provide access to this work. UH Libraries has secured permission to reproduce any and all previously published materials contained in the work. Further transmission, reproduction, or presentation of this work is prohibited except with permission of the author(s).
dc.subjectMaterial surfaces
dc.subjectFluidic membranes
dc.subjectSurface Navier-Stokes problem
dc.subjectAugmented Lagrangian preconditioner
dc.subjectGrad-div stabilization
dc.subjectTrace
dc.subjectfinite element method
dc.subjectKelvin-Helmholtz instability
dc.titleTrace finite element method for material surface flows
dc.type.dcmiText
dc.type.genreThesis
dcterms.accessRightsThe full text of this item is not available at this time because the student has placed this item under an embargo for a period of time. The Libraries are not authorized to provide a copy of this work during the embargo period.
local.embargo.lift2024-05-01
local.embargo.terms2024-05-01
thesis.degree.collegeCollege of Natural Sciences and Mathematics
thesis.degree.departmentMathematics, Department of
thesis.degree.disciplineMathematics
thesis.degree.grantorUniversity of Houston
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy

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