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[ÇóÖú] Fluent£¬UDFÖеÄUDMIʹÓÃÎÊÌâÇóÖú£¡ ÒÑÓÐ1È˲ÎÓë

ÇëÎʸ÷룬ÎÒÔÚfluentµÃUDF±à³ÌÖУ¬ÓÃUDMIµÄ¹ý³ÌÖÐÓöµ½ÁËÈçÏÂÎÊÌ⣡·¢ÏÖUDMIÖеÄÖµÔÚDEFINE_PROFILEÖе÷ÓôíÎó£¬ÎÒÓÃpatch³õʼ»¯ÁËËùÓÐUDMI¶¼Îª303.15£¬¿ÉÊÇ×îºóÊä³ö±ÚÃæÆ½¾ùζÈÈ´×ÜÊÇÁãµã¼¸K£¬Ó¦¸ÃÊÇ300K×óÓҲŶԣ¡
ÎÒ¶ÔUDMIµÄʹÓò»ÊìϤ£¬²»ÖªµÀÄܲ»ÄÜÕâÑùÓá£
»¹ÓÐÎÒÓÃDEFINE_EXECUTE_AT_ENDµÄÔ­ÒòÊÇ£¬ÎÒÏëÈñÚÃæÎ¶ÈÔÚÿ¸ötime step²Å¸üÐÂÒ»´Î£¬¶ø²»ÊÇÿ¸öµü´ú²½¸üУ¡
°´ÕÕÎÒÏÂÃæÐ´µÄ³ÌÐò£¬Ó¦¸ÃÊÇUDMIµÄÊýÿ¸öʱ¼ä²½¸üÐÂÒ»´Î£¬È»ºó¸³Öµ¸ø±ÚÃæµÄfree stream tem£¬¿ÉÊÇʵ¼ÊÔËÐÐ×ÜÊÇ×ß²»Í¨£¬Çó´ó¼Ò¶®Õâ·½ÃæµÄÖ¸µãһϣ¬¸ãÁ˺ü¸ÌìÕâ¸ö³ÌÐò£¬Ò»Ö±¸ã²»¶¨£¬ÄÔ´ü¶¼¿ìÃÉÁË¡£¡£

#include "udf.h"
#include "mem.h"
DEFINE_EXECUTE_AT_END(updatetimestepend)
{
Domain *d;
Thread *t,*t_walltem_4,*t_walltem_3,
face_t f;
cell_t c;
real NV_VEC(A4),NV_VEC(A3);
d=Get_Domain(1);
real sum_A4=0.0,sum_A3=0.0;
real sum_T4=0.0,sum_T3=0.0;
real ave_T4,ave_T3;
t_walltem_4=Lookup_Thread(d,66);/*»ñÈ¡ID=66±ÚÃæÖ¸Õë*/
t_walltem_3=Lookup_Thread(d,67);/*»ñÈ¡ID=67±ÚÃæÖ¸Õë*/
begin_f_loop(f,t_walltem_4)/*Çó±ÚÃæ66ƽ¾ùζÈ*/
{
F_AREA(A4,f,t_walltem_4);
sum_A4+=NV_MAG(A4);
sum_T4+=NV_MAG(A4)*F_T(f,t_walltem_4);
}
end_f_loop(f,t_walltem_4)
ave_T4=sum_T4/sum_A4;
begin_f_loop(f,t_walltem_3)/*Çó±ÚÃæ67ƽ¾ùζÈ*/
{
F_AREA(A3,f,t_walltem_3);
sum_A3+=NV_MAG(A3);
sum_T3+=NV_MAG(A3)*F_T(f,t_walltem_3);
}
end_f_loop(f,t_walltem_3)
ave_T3=sum_T3/sum_A3;
thread_loop_c(t,d)/*½«ÐèÒªµÄÖµ´æÔÚUDMÖУ¬ÔÚÏÂÃæµÄPROFILEµ÷ÓÃ*/
{
begin_c_loop(c,t)
  {
  C_UDMI(c,t,5)=C_UDMI(c,t,4)-0.2*(C_UDMI(c,t,4)-ave_T4);
  C_UDMI(c,t,4)=C_UDMI(c,t,3)-0.2*(C_UDMI(c,t,3)-ave_T3);
  C_UDMI(c,t,3)=303.15£»
  }
end_c_loop(c,t)
}
}

DEFINE_PROFILE(tem_5,t,i)/*66±ÚÃæµÄFree stream temperature*/
{
face_t f;
cell_t c;
real tem5;
tem5=C_UDMI(c,t,5);
begin_f_loop(f,t)
{
F_PROFILE(f,t,i)=tem5;
}
end_f_loop(f,t)
}
DEFINE_PROFILE(tem_4,t,i)/*65±ÚÃæµÄFree stream temperature*/
{
face_t f;
cell_t c;
real tem4;
tem4=C_UDMI(c,t,4);
begin_f_loop(f,t)
{
F_PROFILE(f,t,i)=tem4;
}
end_f_loop(f,t)
}
DEFINE_PROFILE(tem_3,t,i)/*64±ÚÃæµÄFree stream temperature*/
{
face_t f;
cell_t c;
real tem3;
tem3=C_UDMI(c,t,3);
begin_f_loop(f,t)
{
F_PROFILE(f,t,i)=tem3;
}
end_f_loop(f,t)
}
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2Â¥: Originally posted by liukan12 at 2018-12-18 00:12:25
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