Our study is based on Computational Fluid Dynamics, however, it has little information about the textbook you sent. Therefore, please read the chapters about “Bluff Body, Viscous Flow Characteristics”, “Boundary Layer Flows”, “Modeling, Similarity, and Dimensional Analysis” and “Differential Relations for a Fluid Particle”.
I think you should know Navier-Stokes equations as governing equations of the current CFD, and how to estimate and compare your results and the previous results. For this purpose, the topics mentioned above are necessary. Please read it and ask to me or other students if you have any questions about that.