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CL Front and CL Rear

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Old   July 28, 2003, 23:11
Default CL Front and CL Rear
  #1
therry henry
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hello, everyone... Anybody know how to define the CLF(lift front) and CLR (rear) by using StarCd... Normally, starcd gave the overall body fo the lift coeeficient.

I really appreciate if anybody can reply me problem..

thank u.. best regard

therry henry...
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Old   July 30, 2003, 11:50
Default Re: CL Front and CL Rear
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cjtune
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I think the command ACOEF works only with a current selected set of wall shells... so if you only selected the 'front' of your model then you'll get the force coefficient for just that part. Repeat for the wall shells of the 'rear'.
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Old   August 1, 2003, 00:36
Default Re: CL Front and CL Rear
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therry henry
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hay cjtune... thank you for your feedback..is there any simple way to devide the car body.., by using COG location maybe.. .. Where is the limit for the CLfront and CLrear? thank you.. buddy

regards
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Old   August 1, 2003, 04:30
Default Re: CL Front and CL Rear
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cjtune
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Divide at center of gravity? To determine which halve is 'front' and which 'rear'? No idea for cars. With aerofoils it's easy since your have the chord line.

Perhaps where you want to get the CL depends on your area of interest. Say if you want to optimise the slope of the rear windscreen to reduce drag, you might do just as good to just plot out the CL only for that portion.

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