CFM model in star-ccm+
 

Hello,

I have simulated a premixed combustiom with CFM model by star-ccm+. the simulation is the propane-air mixture premixed flame in a cylinder. my questions: 1.boundaries for inlet,outlet are necessary?how to set the boundaries? 2.I do not konw how to actualize the ignition process 3.how to set the flame area density?

I am a freshhand. Any suggestions will be appreciated!

Best Regards, sally