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In the Boundary Conditions window, select farfield. Use the drop-down menu to change the Type to pressure-far-field. You will be asked to confirm the change, and do so by pressing OK. Next, a dialogue box will open with some parameters we need to specify. Change the Gauge Pressure (Pascal) to 101325
, and Mach Number to 3
.
Also, select the Thermal tab, and ensure that the temperature correctly defaulted to 300 K