/*! \page split_biquad_to_linear_page Split bi-quadratic into linear \n This functionality allows to split bi-quadratic elements into linear ones without creation of additional nodes. So that - bi-quadratic triangle will be split into 3 linear quadrangles; - bi-quadratic quadrangle will be split into 4 linear quadrangles; - tri-quadratic hexahedron will be split into 8 linear hexahedra; - quadratic segments adjacent to the split bi-quadratic element will be split into 2 liner segments. \image html split_biquad_to_linear_mesh.png "Mesh before and after splitting" To split bi-quadratic elements into linear: