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Is this mesh size enough for getting correct result? plz see image attached

Question asked by Pratham Singh on May 28, 2015
Latest reply on Jun 2, 2015 by Amit Katz

i am trying to find drag coefficient of a glf ball which has dimples which reduces its drag coefficient.



but is this mesh size enough? will this give proper results? i am doubtful as the mesh size seems bigger than dimples itself.
or do i need to scale the model to larger size and then perform the simulation? thanks