1. Noz-Op-2D: A CFD-BASED OPTIMIZATION SYSTEM FORAXIALLY SYMMETRIC ROCKETNOZZLES closest to the wall. Therefore, the gradients of pressure, density, and velocity are highest at the walls, requiring a tighter grid spacing. However, the grid can be coarser near the center of the nozzle, where the fluid properties do not change as much with respect to radial position. This distribution remains similar throughout the entire nozzle, accordingtopV+WV-W. (21).H03+1)'+03-1)"
2. AIAA Education Series;Griffin M. D.,1999