Paper: Robust and efficient validation of the linear hexahedral element

We present a method to compute the true validity of hexahedra in an efficient manner. More than 6 million hexahedra are analyzed on a single core per second.

• The paper is available on arXiv: arxiv.org/abs/1706.01613.
• The C++ code will soon be available in Gmsh.
• Input tetrahedral meshes are available here.