CHORUS is a novel and powerful Compressible High-ORder Unstructured Spectral-difference (CHORUS) code for simulating thermal convection and related fluid dynamics in the interiors of stars and planets.
http://dx.doi.org/10.1016/j.jcp.2015.02.047
CHORUS+ employs higher degree reference elements (p5/p6) and transfinite mapping. CHORUS+ is approximately 10 times faster than CHORUS!
https://doi.org/10.1063/5.0158146