[Haitao Lu]

Hello, I want to define laminar flame speed in thickened flame model, it can be compiled, but didn't give a correct answer.Could anyone give me some help? thankyou.

#include "udf.h"
DEFINE_PROPERTY(fl_speed,c,t)
{
	 real s;
	 real x;
	 real y;
	 real xc[ND_ND];
	 Domain *domain;
	 domain=Get_Domain(1);
	 thread_loop_c(t,domain)
  {
	 begin_c_loop_all(c,t)
	  {
	     C_CENTROID(xc,c,t);
		 x=xc[0];
		 y=xc[1];
		 if(x*x+y*y<0.0016)
		 {
			 s=0.4;
		 }else if(x*x+y*y>0.0025)
		 {
			 s=0.4;
		 }else
		 {
			 s=0.35; 
		 }
	    end_c_loop_all(c,t)
        }    
   }
       return s;
}

[pakk]

"didn't give a correct answer" can mean many different things.
If you can tell what you expected to see, and what you did see, it is much easier to help you.