Momentum balance

The wall-normal, stream-wise, and span-wise momentum equations are defined at \(\gcs{1}\), \(\gcs{2}\), and \(\gcs{3}\) cell faces, respectively.

Note that, to circumvent severe time-step constraints, diagonal terms of the diffusive terms can be treated implicitly in time, which makes the implementation a bit complex.

• Wall-normal momentum transport
• Stream-wise momentum transport
• Span-wise momentum transport