Unable to Set Reference Cell for Field Pressure (p)
Simulation setup error: The solver failed to find a reference value for the pressure field. Please make sure that you have specified the reference cell and value for pressure, or use a boundary condition that uses a fixed value for pressure.
The simulation setup has an error. The solver requires a pressure value that it can use as reference to fix the pressure field magnitude. Normally, this value is defined in boundary conditions that specify a fixed value for pressure. In case none of the boundaries have a fixed pressure, the reference value can also be specified in the numerics, along with the cell number to which it belongs.
In this case, the reference value for pressure was found neither in the boundary conditions, nor in the numerics.
What could be the possible reason?
You specified neither a value for the pressure in the boundary conditions, nor a reference value and cell number in the numerics.
What can I do now?
Re-evaluate your simulation setup. If possible, use a boundary condition which specifies a fixed value for the pressure.
If this is not possible due to the nature of your simulation setup, specify a value for parameter ‘Pressure reference value’ and ‘Pressure reference cell’ under the ‘Numerics’ sub-tree in the simulation setup.
If none of the above suggestions solved your problem, then please post the issue on our forum or contact us.
Last updated: October 2nd, 2020
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