Orthogonality is one of those creeping viral problems. 正交性是一種慢性感染性的問題。
Computation mesh is generated by the algebra method, and then optimized through an elliptical mesh generator to improve the orthogonality and the smoothness. 計算網格由代數方法生成,並經橢圓型網格生成器優化,以提高正交性和光滑度。