Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.jcp.2010.01.014
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dc.titleEuler calculations with embedded Cartesian grids and small-perturbation boundary conditions
dc.contributor.authorLiao, W.
dc.contributor.authorKoh, E.P.C.
dc.contributor.authorTsai, H.M.
dc.contributor.authorLiu, F.
dc.date.accessioned2014-12-12T07:11:04Z
dc.date.available2014-12-12T07:11:04Z
dc.date.issued2010-05
dc.identifier.citationLiao, W., Koh, E.P.C., Tsai, H.M., Liu, F. (2010-05). Euler calculations with embedded Cartesian grids and small-perturbation boundary conditions. Journal of Computational Physics 229 (9) : 3523-3542. ScholarBank@NUS Repository. https://doi.org/10.1016/j.jcp.2010.01.014
dc.identifier.issn00219991
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/115098
dc.description.abstractThis study examines the use of stationary Cartesian mesh for steady and unsteady flow computations. The surface boundary conditions are imposed by reflected points. A cloud of nodes in the vicinity of the surface is used to get a weighted average of the flow properties via a gridless least-squares technique. If the displacement of the moving surface from the original position is typically small, a small-perturbation boundary condition method can be used. To ensure computational efficiency, multigrid solution is made via a framework of embedded grids for local grid refinement. Computations of airfoil wing and wing-body test cases show the practical usefulness of the embedded Cartesian grids with the small-perturbation boundary conditions approach. © 2010 Elsevier Inc.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.jcp.2010.01.014
dc.sourceScopus
dc.subjectCartesian grid
dc.subjectEmbedded multigrid
dc.subjectLeast-squares approximation
dc.subjectSmall-perturbation method
dc.subjectSurface boundary
dc.typeArticle
dc.contributor.departmentTEMASEK LABORATORIES
dc.description.doi10.1016/j.jcp.2010.01.014
dc.description.sourcetitleJournal of Computational Physics
dc.description.volume229
dc.description.issue9
dc.description.page3523-3542
dc.description.codenJCTPA
dc.identifier.isiut000276124400023
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