Doubt in CFX post results
Please find the attached picture
I have given the boundary condition as shown below
The fluid flow is Z direction. It is incompressible flow.
outlet- mass flow rate (I need to vary the flow rate later my analysis keeping the pressure same as above )
1. How do I measure the average pressure at the inlet over the cycle?
Please clarify my approach:
I have created a plane and found the area average (pressure)@inlet
I found the value is negative . How it is possible? The pressure at the outlet may be negative. Am I right?
I think I made a mistake while calculating the average pressure at the inlet. Please help me and rectify it.
If the flow direction on the z axis, meaning the negative pressure in the direction of negative z (or 68314.9 pa to the negative z axis).
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