Scale meshing ANSYS ICEM CFD
 

Sorry guys but i have no experience in ANSYS. if someone want to help me:
How i scale mesh in ICEM ANSYS 12? I want to have more mesh density in my geometry than the default generation has. For example i have a 2D box 1mx0.25m, i made a surface in the Modeller and now the mesh has density only 20x10 cells. I want to have 15x50 cells. How i can change that?