We present a construction of nested spaces of C2 macro-elements of degree 5 on triangulations of a polygonal domain obtained by uniform refinements of an initial triangulation and a Powell–Sabin-12 split.
- refinable spline spaces
- Powell-Sabin-12 split
- Bivariate C2 spline spaces
Davydov, O., & Yeo, W. P. (2013). Refinable C2 piecewise quintic polynomials on Powell–Sabin-12 triangulations. Journal of Computational and Applied Mathematics, 240, 62-73. https://doi.org/10.1016/j.cam.2012.08.006