# Storing vectors with C_UDMI

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 February 15, 2005, 14:30 Storing vectors with C_UDMI #1 nicolas Guest   Posts: n/a I need to store a vector field computed in a UDF to display it in FLUENT. Is it possible to store vectors with C_UDMI? Any advice would be appreciated. Thx a lot

 February 16, 2005, 05:40 Re: Storing vectors with C_UDMI #2 Andrew Garrard Guest   Posts: n/a Can you not store the 2 (or 3 in 3d) components of the vector in 2 (or 3) UDMI's

 February 16, 2005, 05:57 Re: Storing vectors with C_UDMI #3 nicolas Guest   Posts: n/a Then how is it possible to plot the vector field in FLUENT ?

 February 16, 2005, 06:02 Re: Storing vectors with C_UDMI #4 Andrew Garrard Guest   Posts: n/a You only said store. Not plot. However, you could always create a custom field fucntion. I imagine it would be something like: (UDMI_0^2 + UDMI_1^2)^(1/2) That would get you the contours. I think velocity vectors may be more tricky, cerainly beyond my experinece.

 February 16, 2005, 06:31 Re: Storing vectors with C_UDMI #5 Doru Grosan Guest   Posts: n/a 1. You can store the component of the vectors in C_UDMI 2. You can define a new custom vector from: Display->Vectors->Custom Vectors... Here you can put as new vector's components udm[0], udm[1],... ; 3. Suggestion: It is better to keep also in memory the absolute value of the vector and to choose colors using this value. Good Luck!

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