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ËùÒÔÎÒÏÖÔÚ´òËãʹÓà DEFINE_ADJUST ½øÐмÆË㣬µ«ÊÇÔÚ¼ÆËã¹ý³ÌÖÐÎÒ·¢ÏÖÎÒ²»ÄÜ ¶¨Î»µ½ÎÒÏëÒªµÄ¼ÆËãÇøÓò£¬ÏÂÃæ³ÌÐòÊÇ¿ÉÒÔÔÚÕû¸ö¼ÆËãÓòÀïÃæ¼ÆËã²¢·µ»Ø¼ÆËãÖµµÄ¡£È»ºóÎÒʹÓÃGet_Domain ºÍ Lookup_Thread ½øÐж¨Î»¶¼Ê§°ÜÁË£¬²»ÖªµÀÄãÓÐʲô¾­Ñé»òÕß½¨ÒéÂð£¿Ð»Ð»ÁË£¡

#include "udf.h"
#define zone_ID 0
double P_out=0.;




DEFINE_ADJUST(TEG_adjust,domain)
{
        Thread *t;
        cell_t c;
        Thread *teg;
        Domain *all;
        int  Zone_ID;
       
        face_t f;
    real temp=0.,grad=0.,source=0.;
        real a=0.,b=0.;
        real u=0.,u_sum=0.,vol=0.,vol_sum=4.752*0.00001;
        real r=0.,r_sum=0.,s=1.76*0.001;
        real p=0.;

       

thread_loop_c (t,domain)
{
       


                begin_c_loop (c,t)
                {
                  temp=C_T(c,t);
                  vol=C_VOLUME(c,t);
                  grad=-0.0003*C_T_G(c,t)[0];/*0 for x,1 for y, 2 for z*/
                  
                  a=-6.035*0.0001+6.270*0.000001*temp-1.571*0.00000001*temp*temp+1.260*0.00000000001*temp*temp*temp;
                  u=a*grad*vol/vol_sum;
                  u_sum+=u;

                  b=-7.188*0.0000001+6.926*0.000000001*temp-3.573*0.000000000001*temp*temp;
                  r=b*vol/s/s;
                  r_sum+=r;
                }
                end_c_loop (c,teg)
}
p=u_sum*u_sum/(2*r_sum);
         
         P_out=p;

Message("%g, %g %g\n", u_sum,r_sum,P_out );


}
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