KNOWN ISSUE: Use of predefined numbers in particle user routines for multiphase reactions (Class 3 Error)
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SYMPTOM: If a particle reaction rate is user defined via a user Fortran routine and a predefined number variable, such as 'Particle Slip Velocity' or 'Particle Reynolds Number', is passed as an argument to the user routine, the value of the that variable will be incorrect both at the start of the track and in some circumstances when tracking is resumed after a particle crosses a periodic interface. This can lead to the program crashing or proceeding with wrong solutions. PROBLEM: This problem occurs because of incorrect order of calculating the predefined number variables. WORKAROUND: No workaround is currently available. FIXED IN: ANSYS CFX Release 13.0. A custom executable for ANSYS CFX Release 12.1 is available on request. |
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