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Grid angle in sliding meshes

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Old   October 1, 2002, 07:07
Default Grid angle in sliding meshes
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mystic_cfd
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hi there

for an application using sliding meshes, i need to know the grid angle at each time step. this can be done be keeping track of the timestepsize and grid speed, but i would like a more general method.

my question. how can i get this angle into my UDF, is there a variable i can query which hold the grid rotation. in the header f_slide.h, i saw a value for a rotation matrix rm[3][3] but i dont know if this is it, what it is or how to use it. any help will be appreciated.

thanks
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