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[ÇóÖú] ÎÒÏëÔÚudfÖÐÓÃÏÂprintfµ«ÊÇûÓз´Ó¦°¡

ÎÒÖªµÀprintfÊÇÔÚ½âÊÍÐÍUDFÖÐʹÓõģ¬ÎҵijÌÐòҲûÓб¨´íµ«Ð§¹û¾ÍÊDz»¶Ô¡£¡£¡£ÎÒµÚÒ»´ÎÊÇÔÚDEFINE_SOURCEÖÐÓõ쬽á¹ûËãÁËÒ»²½ÒÔºó¾Í²»Í£printÄǸö½á¹ûÍ£¶¼Í£²»ÏÂÀ´£»µÚ¶þ´ÎÎÒÔÚDEFINE_ADJUSTÖÐÓõ쬽á¹ûûÓз´Ó¦£»µÚÈý´ÎÎÒÔÚDEFINE_EXECUTE_AT_ENDÖÐÓõģ¬Ò²Ã»Óз´Ó¦¡£ÎÒ°ÑÎÒÈý´ÎʹÓÃprintfµÄλÖÃÌùÔÚÏÂÃæÁË£¬Í¬Ê±Ò²ÏëÎÊÎÊ´ó¼ÒƽʱÈôÏëÓÃprintfÀ´¼à²â×Ô¼ºÏë¼à²âµÄÁ¿ÊÇÔõô×öµÄ°¡£¿
#include <stdio.h>
#include "udf.h"
real va;


DEFINE_ADJUST(pingjunsudu,d)
{

    Thread *t;
    Thread *threada=Lookup_Thread(d,5);
    cell_t c;
    face_t f;
    real Sa,sum_qa,NV_VEC(A);


    begin_f_loop(f,threada)
        F_AREA(A,f,threada);
        sum_qa+=NV_MAG(A)*F_U(f,threada);
        Sa+=NV_MAG(A);
    end_f_loop(f,threada)

    va=sum_qa/Sa;

                printf("va:%g\n",va);    //µÚ¶þ´ÎʹÓõĵط½

}


DEFINE_SOURCE(donglianga,c,t,dS,eqn)
{
real Ucar=11.11;
real Cd=0.2;
real n=2000*2000/3600/11.11;
real Acar_from=2.56;
real Vcar=200;
real xishu,source;
real midu=1.225;

xishu=n*midu*Cd*Acar_from/Vcar/2;
source=xishu*(Ucar-va)*fabs(Ucar-va);
dS[eqn]=-2*xishu*fabs(Ucar-va);

        printf("va:%g\n",va);      //µÚÒ»´ÎʹÓõĵط½

return source;

}



DEFINE_EXECUTE_AT_END(shuchu)
{
        printf("va:%g\n",va);      //µÚÈý´ÎʹÓõĵط½
}
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