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Engineering with Computers
Published in: Engineering with Computers 3/2018

06-12-2017 | Original Article

Curvature-adapted remeshing of CAD surfaces

Authors: Franco Dassi, Andrea Mola, Hang Si

Published in: Engineering with Computers | Issue 3/2018

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Abstract

A common representation of surfaces with complicated topology and geometry is through composite parametric surfaces. This is the case for most CAD modelers. The majority of these models focus on having a good approximation of the surface itself, but they are usually built without taking into account a subsequent mesh generation. Indeed they are often characterized by too many patches which are not logically connected and make a standard mesh generator fail. In this work, we present a novel mesh generation strategy that can handle such “bad” input data and produces an anisotropic curvature-adapted surface mesh. There are two main ingredients to achieve this goal. First of all, we define a new and fast way to project point on an input model which overcomes the presence of non-connected patches. Then we consider the higher embedding strategy to build the final anisotropic surface mesh.
previous article Analysis of axially functionally graded nano-tapered Timoshenko beams by element-based Bernstein pseudospectral collocation (EBBPC)
next article A wavelet-based adaptive mesh refinement method for the obstacle problem

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Metadata
Title
Curvature-adapted remeshing of CAD surfaces
Authors
Franco Dassi
Andrea Mola
Hang Si
Publication date
06-12-2017
Publisher
Springer London
Published in
Engineering with Computers / Issue 3/2018
Print ISSN: 0177-0667
Electronic ISSN: 1435-5663
DOI
https://doi.org/10.1007/s00366-017-0558-2

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