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. Author manuscript; available in PMC: 2011 Jan 1.
Published in final edited form as: Comput Methods Appl Mech Eng. 2010 Jan 1;199(5-8):405–415. doi: 10.1016/j.cma.2009.06.007

Fig. 5.

Fig. 5

2D triangulation for a domain with multiple materials. (a) - there are three materials, and (∪)Bi constructs manifold curves; (b) - there are four materials, and (∪)Bi constructs non-manifold curves and a square outer boundary.