Select the New Simulation option from the menu bar.
Continue by importing the tetrahedral mesh and naming the simulation. The grid has been saved in the .ccm file format, which contains all necessary cell, vertex and boundary information for the problem geometry.
doc/tutorials/tetMesh subdirectory of your STAR-CCM+ installation directory and select file tet.ccm.
tetMesh.sim.The tutorial continues with Running the Macro.