I’ve implemented edge sizing at the throat of the nozzle, utilizing 10 divisions to refine the mesh in that critical region. For the initialization, I opted for the ‘Standard Initialization’ method and computed the initial conditions based on the ‘Inlet’ boundary condition. As a result of this approach, I’ve confirmed that the pressure and velocity values closely align with the analytical calculations I performed. This gives me confidence in the accuracy of the initial setup.
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