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Old   November 24, 2015, 12:57
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alian
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hello every body.. I have a few questions and I wish some one could help me here
First:: begin, end_f_loop and begin, end_c_loop :: could be used in 2D or only in 3D simulation?? and what's the difference between them??
second:: while using (begin, end_f_loop and begin, end_c_loop) and using F_P(f t) or C_P(c t) the return should be pressure but is it the total pressure or what??
could I use (begin, end_f_loop and begin, end_c_loop) in serial or only in parallel processor ??
thanks in advance.
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Old   November 24, 2015, 14:47
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You can use in 2d or 3d, serial or parallel. f stands for face, c stands for cell. The difference is the definition of cell and face in 2d and 3d. In 3d the cell is the 3d element, the face is a 2d element. In 2d the cell is bidimensional, the face is the side of the cell.
C_P (c, t) is the static pressure in cell c.
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Old   November 25, 2015, 00:11
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dear Daniele.. thanks for replay... is there any way to evaluate total pressure by UDF??
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Old   November 26, 2015, 06:18
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Yes,
read this and understand what is total pressure:
http://www.cfd-online.com/Forums/flu...-pressure.html

Once you know the definition, you can write your custom code.
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Old   November 27, 2015, 01:27
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thanks for reply my friend
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