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about symmetry BC

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Old   March 23, 2005, 11:51
Default about symmetry BC
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dear user,

if we use symmetry BC, should we have to double the forces to obtain the total force on the body.

expecting ur reply

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Old   March 23, 2005, 12:30
Default Re: about symmetry BC
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Yes, in Fluent you have to double the force to obtain the total force when using a symmetry condition. The other option is that if you look at the force coefficients instead, use half of the reference area and that will give you a force coefficient for the entire model.

Just a side note, this topic has been discussed several times before on the forum. This is the same for many other topics. For a quick answer to your questions, search the forum and archives first. If you can't find what you're looking for, then post your problem.

Hope this helps, and goodluck, Jason
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