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do it necessary to give viscocity expression?

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Old   April 5, 2006, 00:58
Default do it necessary to give viscocity expression?
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joseph
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Hi to all I am a new to cfd.When i was doing cfx tutorial i saw an example giving expression for viscocity varying wrt temp .We know that viscocity varies wrt to temp.so is it necessary to give expression for viscocity varying wrt temp for all problems. Thanks all.
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Old   May 6, 2006, 09:56
Default Re: do it necessary to give viscocity expression?
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Nadia
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Im currently studying science and would like to know the definition of viscocity can any body help me? Thank you
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