Is the macro YI(c,t,i) in prepdf?
 

the macro YI(c,t,i) which can use in species transport combustion model,can not use in non-premixed model(prepdf). And when i execute the udf ,system print this: Error: FLUENT received fatal signal (ACCESS_VIOLATION) 1. Note exact events leading to error. 2. Save case/data under new name. 3. Exit program and restart to continue. 4. Report error to your distributor. Error Object: () I don't why ,could anyone help me? If YI(c,t,i) can not use in non-premixed model, how can I read the mass fraction of every cell?

Re: Is the macro YI(c,t,i) in prepdf?
 

sorry ,the title should be "is the macro(c,t,i)" use in prepdf! very sorry! And hopeing sb can give an answer ?