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DEFINE_UDS_UNSTEADY(myunsteady, c, t, i, apu, su)
{
real physical_dt, vol, phi_old;
physical_dt = RP_Get_Real("physical-time-step";
vol=C_VOLUME(c,t);
*apu=-vol/physical_dt;         
phi_old=C_STORAGE_R(c,t,SV_UDSI_M1(i));
*su=vol*phi_old/physical_dt;         
}

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liukan12

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ANSYSFluentÁ÷Ìå·ÂÕæÑо¿ÈËÔ±¡£
4Â¥2015-05-18 17:55:14
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²é¿´È«²¿ 9 ¸ö»Ø´ð

jinjiaoshou

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2Â¥2015-05-18 16:40:05
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liukan12

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#include "udf.h"
DEFINE_PROFILE(velocity1,t,i)
{
    real x[ND_ND];    /* ´æ·Å2D»òÕß3DλÖòÎÊý */
    real y;          /* yֵΪģÐÍÖеÄy×ø±êÖµ */
    cell_t f;        /* ´´½¨Íø¸ñÌåÖ¸Õë */
    begin_c_loop(f,t)  /* ÌåÏß³ÌtÖÐËùÓÐÍø¸ñÌåÖ¸ÕëfµÄ±éÀúÑ­»· */
      {
       C_CENTROID(x,f,t);  /* °ÑÌåÏß³ÌtÖÐËùÓÐÖ¸ÕëfÖеÄÍø¸ñÌåµÄÖÐÐĵãµÄ×ø±êÖµ¸³¸øÊý×éx[ND_ND] */
       y = x[1];          /* °Ñx[ND_ND]Öеĵڶþ¸öÔªËØ¼¯ºÏ¸³¸ø±äÁ¿y£¬x[0]ÔòÊÇx×ø±ê£¬x[2]ÊÇz×ø±ê£¬¸ù¾ÝÄãµÄÐèÒª */
       if ( y > 0.5 )      /* Ìõ¼þÅжϣ¬µ±yÖµ´óÓÚ0.5ʱ£¬Ö´ÐÐÏÂÁÐÓï¾ä */
           {
                   C_PROFILE(f, t, i) = y^2;   /* y^2ÊDZíʾÈë¿ÚËٶȵÈÓÚy×ø±êÖµµÄƽ·½£¬ÕâÀï¿ÉÒԸijÉÄãÒªµÄ¹ØÏµÊ½ */
       }
       else                              /* Ìõ¼þÅÐ¶Ï */
           {
                   C_PROFILE(f, t, i) = 1;      /* Ìõ¼þÅжϣ¬µ±yֵСÓÚ0.5ʱ£¬Ö´ÐÐÓï¾ä */
       }
          
      }
    end_c_loop(f,t)          /* ±éÀúÑ­»·½áÊø */
}

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È»ºóÄ㻹Ҫͨ¹ýinterpret ¸úfluent hookһϠȻºóÔÙÔÚvelocityÈë¿ÚÌõ¼þÏ µ¼ÈëÕâ¸öudf
ANSYSFluentÁ÷Ìå·ÂÕæÑо¿ÈËÔ±¡£
3Â¥2015-05-18 17:44:07
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

jinjiaoshou

гæ (³õÈëÎÄ̳)

ÒýÓûØÌû:
4Â¥: Originally posted by liukan12 at 2015-05-18 17:55:14
²»ºÃÒâ˼ £¬²»Ð¡ÐĻظ´´íÈËÁË

´óÉñÄãÖªµÀÈ«¾Ö³£ÊýÔõôдô£¬¾ÍÊÇÁ½¶Î³£Êý²»Ò»ÑùµÄ£¬ÎÒдµÄÊÇÕâÑùµÄÌáʾ´íÎó
#include "udf.h"
#define dp
real x[ND_ND];
real y;
cell_t c;
Thread *t;
C_CENTROID(x,c,t);
y=x[1];
if(y>0.06)
dp=0.06;
else
dp=0.03;
µ«ÊÇÎÒ°ÑÉÏÃæÕâ¶Î·ÅÔÚDefine_propertyÀµ±×÷Ò»¸ö¾Ö²¿±äÁ¿Ò²»á³öÎÊÌ⣬²»ÖªµÀΪʲô
5Â¥2015-05-18 18:08:35
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