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how do you calc drag in ansys workbench 10.0

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Old   September 28, 2006, 11:24
Default how do you calc drag in ansys workbench 10.0
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klaas
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can some one tell me how i define in ansys workbench to calc drag in cfd cannot find the right formula and there is only pressure but want to calc drag of the whole object

thanks in advance klaas
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Old   September 29, 2006, 03:33
Default Re: how do you calc drag in ansys workbench 10.0
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Patrick
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Take the force on the object - the rest is first semester aerodynamics;

-> http://en.wikipedia.org/wiki/Drag_coefficient

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Old   September 29, 2006, 05:48
Default Re: how do you calc drag in ansys workbench 10.0
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klaas
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i know the formula but i cannot get it displayed in ansys so i try to get it in a formula in ansys but i cannot get this displayed no coeff of course i get the force let say in newton´s but no coeff
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Old   October 2, 2006, 02:32
Default Re: how do you calc drag in ansys workbench 10.0
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Patrick
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You just get the force. The drag coefficient you have to calculate by hand.
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