Removing low-frequency artefacts from topology-optimized surfaces
Elder, Salvatore, William Quadros
Research Note, 25th International Meshing Roundtable, Sandia National Laboratories, September 26-30 2016
25th International Meshing Roundtable
Washington DC, U.S.A.
September 26-30, 2016
Salvatore Elder, School of Applied & Engineering Physics / Cornell University, US, email@example.com
William Quadros, Sandia National Laboratories, US, firstname.lastname@example.org
Research Note Abstract
Topology optimization is an emerging technology capable of producing organic shapes subject to various physical objectives. One
of the undesirable features present in the resulting triangle meshes is low-frequency surface rippling. Here we propose a method
in which the ripple frequencies are estimated based on geometric mesh characteristics. The ripples can then be removed by direct
projection to and from an orthogonal frequency basis derived from the discrete Laplace-Beltrami operator.
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