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Customized User Field Function - Vector

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Old   December 8, 2009, 04:22
Default Customized User Field Function - Vector
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Hannow
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Hi all,

I want to create new user field function which is a velocity vector that has two components instead of three, j and k. Can it be done in STAR-CCM+? If so, how? or how the function definition should be written?

Thank you!

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Old   December 10, 2009, 08:25
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Todd
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Hannow,

You can define a new field function as you described. Right click on the field functions tab under the tools menu and select new -> user defined field function. Now you can define it however you would like. The code is simple:

For velocity, you typically have 3 components, we will say i,j,k. The i-component is $$Velocity[0], j-component is $$Velocity[1], and k-component is $$Velocity[2]. You can use these and any mathematical operators however you would like to create your desired field functions. Look in the manual for user defined field functions for a more complete description of how to define them.
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