A Derivative-Free Mesh Optimization Algorithm for Mesh Quality Improvement and Untangling

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/264741/figures/264741.fig.004a.svgz" name="264741.fig.004a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Cylinder mesh</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/264741/figures/264741.fig.004b.svgz" name="264741.fig.004b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Bar mesh</td></tr><tr class="fig-image" id="c"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/264741/figures/264741.fig.004c.svgz" name="264741.fig.004c" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(c) </b>Hydrocephalus mesh</td></tr><tr class="fig-image" id="d"><td><object data="https://static.hindawi.com/articles/mpe/volume-2015/264741/figures/264741.fig.004d.svgz" name="264741.fig.004d" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(d) </b>Airfoil mesh</td></tr></table>

<div>(a) Cylinder mesh, (b) bar mesh, (c) hydrocephalus mesh, and (d) airfoil mesh.</div>

Mathematical Problems in Engineering

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Figure 4

Figure 4: A Derivative-Free Mesh Optimization Algorithm for Mesh Quality Improvement and Untangling 