PostBL: Post-mesh Boundary Layer Mesh Generation Tool
Jain, Rajeev and Timothy J. Tautges
22nd International Meshing Roundtable, Springer-Verlag, pp.331-348, October 13-16 2013
22nd International Meshing Roundtable
Argonne National Laboratory, Argonne, IL 60439, U.S.A.
A boundary layer mesh is a mesh with dense element distribution in the
normal direction along specific boundaries. PostBL is a utility to generate boundary
layer elements on an existing mesh model. PostBL supports creation of hexahedral,
prism, quad, and tri boundary layer elements. It is formulated as an algorithm
in MeshKit, which is an open-source library for mesh generation functionalities.
Typically, boundary layer mesh generation is a premeshing process; in this effort,
however, we start from a model that has already been meshed. Boundary layer
elements can be generated along the entire skin or on selected exterior or internal
surface boundaries. PostBL mesh operation can be coupled with other MeshKit
meshing operations such as Jaal, NetGen, TetGen, and CAMAL and custom
meshing tools such as RGG. Simple examples demonstrating generation of
boundary layers on different mesh types and the OECD Vattenfall T-Junction
benchmark hexahedral mesh are presented.
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