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    Fast mapping of finite element field variables between meshes with different densities and element types

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    Publication date
    2014-01
    Author
    Scrimieri, Daniele
    Afazov, S.M.
    Becker, A.A.
    Ratchev, S.M.
    Keyword
    Finite element analysis
    FEA data transfer
    Manufacturing chain
    Simulation
    Spatial indexing
    Equal-sized cells
    Meshing
    Manufacturing chain simulation
    Meshing
    Spatial indexing
    Peer-Reviewed
    yes
    
    Metadata
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    Abstract
    In the simulation of a chain of manufacturing processes, several finite element packages can be employed and for each process or package a different mesh density or element type may be the most suitable. Therefore, there is a need for transferring finite element analysis (FEA) data among packages and mapping it between meshes. This paper presents efficient algorithms for mapping FEA data between meshes with different densities and element types. An in-core spatial index is created on the mesh from which FEA data is transferred. The index is represented by a dynamic grid partitioning the underlying space from which nodes and elements are drawn into equal-sized cells. Buckets containing references to the nodes indexed are associated with the cells in a many-to-one correspondence. Such an index makes nearest neighbour searches of nodes and elements much faster than sequential scans. An experimental evaluation of the mapping techniques using the index is conducted. The algorithms have been implemented in the open source finite element data exchange system FEDES.
    URI
    http://hdl.handle.net/10454/17721
    Version
    Accepted manuscript
    Citation
    (2014) 'Fast mapping of finite element field variables between meshes with different densities and element types'. Advances in Engineering Software, 67 :90-98.
    Link to publisher’s version
    https://doi.org/10.1016/j.advengsoft.2013.08.003
    Type
    Article
    Collections
    Engineering and Informatics Publications

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