Orthogonality is one of those creeping viral problems. 正交性是一种慢性感染性的问题。
Computation mesh is generated by the algebra method, and then optimized through an elliptical mesh generator to improve the orthogonality and the smoothness. 计算网格由代数方法生成,并经椭圆型网格生成器优化,以提高正交性和光滑度。