how to convert fully surface body to solid one?

well i have made the car using style feature in ptc creo 3.0. i want to convert this surface body into solid one because i want to use this model for fluid analysis in ANSYS. As, i imported same body in ansys, ansys shows error in enclose of the body ..
really looking for reply plz help me guys,

2 Answers

Check out these two tutorials, in PTC CREO 2.0, and 3.0, I am a user of SOLIDWORKS, but my partner uses PTC CREO and he recommended these two tutorials completely functional,I attach a file with the links,If it works, let me know,I hope it will be useful