Question

Which of these terms is not included in the pseudo-velocities?

(a) Pressures in the current and previous iterations

(b) Momentum sources

(c) Neighbouring velocities

(d) Coefficients of the current velocities

I have been asked this question in my homework.

This interesting question is from Incompressible Flows topic in section Incompressible Flows & Compressible Flows of Computational Fluid Dynamics

Answer 1

Correct choice is (a) Pressures in the current and previous iterations

Easiest explanation: The pseudo-velocity is given as

\(\hat{u}_{i,j}=\frac{\sum a_{nb} u_{nb}+b_{i,j}}{a_{i,j}} \)

Where,

unb → Neighbouring velocities.

bi,j → Source of momentum.

ai,j → Coefficient of the current velocity.