|September 23, 2011, 02:42||
Field Function shows an error
Niaz Ali Ahmed
Join Date: Jun 2010
Posts: 14Rep Power: 7
I am trying to write a vector field function to calculate 17/(Velocity^2)
I have tried
Both have failed. Is this because vector division is not possible, or some other error?
However when I use a single dollar Velocity it shows assembly code.
Please help me asap.
|September 23, 2011, 04:12||
Join Date: Aug 2011
Posts: 8Rep Power: 6
There is no such thing as vector division.
I'm guessing you want to divide by the magnitude of the velocity vector? STAR-CCM+ provides two ways to calculate the magnitude of a vector:
vector magnitude: mag($$u)
vector magnitude squared: mag2($$u)
So for you, the most straightforward expression is: 17/mag2($$Velocity)
For more, see STAR-CCM+ help:
Using Tools > Using Field Functions > Field Function Programming Reference > Vector Functions
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