hahahah can't do assignment ah? good luck bro, try this -

http://mae.uta.edu/~lawrence/ansys/thick_c...ck_cylinder.htm

Bro, this pdf shows you the solution step by step

http://www.ndsu.edu/me/images/Kallmeyer/47...l%20Example.pdf

I thought you wanted to study fashion design? Your expertise in FEA needs to be drastically improved ...

yea joe is right, boolean subtract should easily solve your problem ...

well, try to take a look at these examples to give you a rough idea of how boolean subtract should work

http://courses.cit.cornell.edu/ansys/plate/step04.htm
http://me.lsu.edu/~mechar/tutor/ansy_ra2.PDF

btw joe, what CFD software did u use? share share

p/s - TS i know you wanted to study your fashion design because i'm a spy -,-