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Error Message—Humid Properties are Physically Unrealistic

Issue

A humidity analysis stops with the following error:

Error: Humid properties are physically unrealistic. Saturated Vapor Pressure = %lf, Mixture Pressure = %lf. Need to raise the Ref. Pressure or lower the inlet Temperature

Solution

The vapor pressure is greater than or equal to the absolute pressure. This is not a physically realistic condition, so the analysis stops.

To resolve this issue, increase the reference pressure in the Material Environment dialog or decrease the inlet temperature boundary condition. Either of these actions will reduce the vapor pressure.


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  • Document Information

    Published date: 2012-Mar-04
    ID: TS17520541

     

    Applies to:
    Autodesk® Simulation CFD 2014
    Autodesk® Simulation CFD 2013
    CFdesign 2010
    CFdesign 2011
    Autodesk® Simulation CFD 2012