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otten0: ½ð±Ò+30, ¡ï¡ï¡ïºÜÓаïÖú 2014-03-03 11:02:27
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4Â¥2014-03-03 09:53:21
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otten0: ½ð±Ò+10, ¡ï¡ï¡ïºÜÓаïÖú 2014-03-02 21:51:53
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http://blog.sina.com.cn/s/blog_904cf88801019ri5.html

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otten0

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
2Â¥: Originally posted by 759599290 at 2014-03-02 21:36:15
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http://blog.sina.com.cn/s/blog_904cf88801019ri5.html

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ллÄú£¬ÏÂÃæ¾ÍÊÇÎÒ×Ô±àµÄudf£¬ÕâÊǵÚÒ»´Î¡£ÎÒ´óÌå½éÉÜÏ£ºÕâ¸öÊǸù¾ÝһƪÂÛÎıà³öÀ´µÄ£¬¾ßÌåµÄÊǰѹÌÒºÁ½ÏàÁ÷ÖйÌÌå¿ÅÁ£¶ÔÁ÷ÌåµÄÓ°ÏìÒÔÔ´ÏîµÄ·½Ê½µ¼Èëµ½Á÷ÌåµÄk·½³ÌºÍºÄÉ¢·½³ÌÖС£Õâ¸ö³ÌÐòÔÚÓï·¨ÉÏÒÑûÓдíÎ󣬿ÉÒԳɹ¦µ¼Èëµ½FluentÖУ¬µ«Ò»¿ªÊ¼¼ÆËã¾Í»á±¨´í£¬»¹ÇëÄú°ïÎÒ¿´¿´£¡
#include "udf.h"
const real B_k=-0.09;
const real B_e=-0.4;
const real rol_p=2500.;
const real d_p=0.0002;
enum
{
TKE,TDR};
real t_p(cell_t c,Thread *t)
{
return rol_p*SQR(d_p)*C_MU_T(c,t)/18.;
}
real t_e(cell_t c, Thread *t)
{
return C_UDSI(c,t,TKE)/C_UDSI(c,t,TDR);
}
real f_1(cell_t c, Thread *t)
{
return exp(B_k*t_p(c,t)/t_e(c,t));
}
real f_2(cell_t c,Thread *t)
{
return exp(B_e*t_p(c,t)/t_e(c,t));
}
DEFINE_SOURCE(tke_source, c, t, dS, eqn)
{
real S_k;
S_k=-2.*rol_p*(1.-f_1(c,t))/t_p(c,t);
dS[eqn]=0.18*rol_p*C_UDSI(c, t, TDR)*f_1(c,t)/SQR(C_UDSI(c, t, TKE));
return S_k;
}
DEFINE_SOURCE(tdr_source, c, t, dS, eqn)
{
real S_e;
S_e=-2.*rol_p*exp(1.-f_2(c,t))/t_p(c,t);
dS[eqn]=-0.8*rol_p*f_2(c,t)/C_UDSI(c, t, TKE);
return S_e;
}
A real and true world only lays in your own heart!
3Â¥2014-03-02 21:44:56
ÒÑÔÄ   »Ø¸´´ËÂ¥   ¹Ø×¢TA ¸øTA·¢ÏûÏ¢ ËÍTAºì»¨ TAµÄ»ØÌû

otten0

½ð³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
4Â¥: Originally posted by fangdian at 2014-03-03 09:53:21
ÄãʹÓÃC_UDSI£¬ÄÇÄã´ò¿ª¼¸¸ö¡°user-defined scalars ¡±£¿
  ÀàÐͺ͸öÊý¹»Âð£¿

ÎÒ¿´¹ý¹ØÓÚ×Ô¶¨Òå±êÁ¿µÄ½éÉÜ£¬ËµÊµ»°Ã»¿´¶®¡£C_UDSIºÍUDSÁ½ÕßÓйØÏµÂ𣿠 »¹ÇëÄúÖ¸½Ì£¡
A real and true world only lays in your own heart!
5Â¥2014-03-03 11:01:41
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