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Trivariate Spline Representations for Computer Aided Design and Additive Manufacturing

Dokken, Tor; Skytt, Vibeke; Barrowclough, Oliver Joseph David
Journal article, Peer reviewed
Accepted version
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URI
http://hdl.handle.net/11250/2570038
Date
2018
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  • Publikasjoner fra CRIStin - SINTEF AS [5470]
  • SINTEF Digital [2334]
Original version
Computers and Mathematics with Applications, 2018, pp 15   10.1016/j.camwa.2018.08.017
Abstract
Digital representations targeting design and simulation for Additive Manufacturing (AM) are addressed from the perspective of Computer Aided Geometric Design. We discuss the feasibility for multi-material AM for B-rep based CAD, STL, sculptured triangles as well as trimmed and block-structured trivariate locally refined spline representations. The trivariate spline representations support Isogeometric Analysis (IGA), and topology structures supporting these for CAD, IGA and AM are outlined. The ideas of (Truncated) Hierarchical B-splines, T-splines and LR B-splines are outlined and the approaches are compared. An example from the EC H2020 Factories of the Future Research and Innovation Actions CAxMan illustrates both trimmed and block-structured spline representations for IGA and AM.
Journal
Computers and Mathematics with Applications

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