again a 2d car modeling and calculate CD
Hi every body.
I'm working on a project deals with calculating drag coefficient of a car(a 2d model from cross section), i dont know that where is my mistake that my answer is about 1020 times smaller than absolute value and is about .015! first:for calculating CD,should i select all of the car body az an unique body? second:what should be my boundry condition? please help me,i'm so confused! thanks 
Do u have the dimensions of the car? use farfield b.c.

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