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

Table 2

Mesh quality statistics.

Mesh name	Min.	Avg.	Max.	std.dev
Cylinder	1.00	3.09	678.92	15.48
Bar	1.00	2.15	71.12	2.97
Hydrocephalus	−27.24	1.89	551.52	8.42
Airfoil		37.05	132,540	1316.26