Class 3 Error

SYMPTOM:
The average value of the magnitude of a vector variable is wrongly computed by CFX-solver.

PROBLEM:
The average of a vector is computed in the CFX Solver as:

average(vector)= ((ave(component_1)@location)^2 + (ave(component_2)@location)^2 + (ave(component_3)@location)^2 + ...++ (ave(component_n)@location)^2)^0.5

instead of:

average(vector) = ave(((component_1)@location)^2+(component_2)@location)^2 + ..+(component_n)@loca


WORKAROUND:
Use an additional variable to define the magnitude of the vector. Then, calculate the average value of the additional variable.

FIXED IN:
ANSYS CFX Release 12.0.





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