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Modify gravity

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Old   April 2, 2013, 02:08
Default Modify gravity
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Sumit Tambe
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I want to define x component of gravity as a sinusoidal function of time, how to do it?
Any UDF? what is Journal file and how do i use it here?
Or is there any way by which I can modify body force term in N-S equations?
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body force, gravity, udf

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