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. Author manuscript; available in PMC: 2009 Sep 9.
Published in final edited form as: Comput Methods Appl Mech Eng. 2006 Feb 1;195(9):942–960. doi: 10.1016/j.cma.2005.02.016

Fig. 7.

Fig. 7

Adaptive quad meshes generated from two direct methods. A feature sensitive error function [38] [39] is chosen for mesh adaptivity, the isovalue α = 0, the error tolerance ε = 0.4. Method 1 generates a poor nose, and Method 3 generates a better result.