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2Â¥2014-02-22 10:52:09
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woshihuolei

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3Â¥2014-02-22 11:07:55
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woshihuolei

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ÏÂÃæÊÇÒ»¸öÔ´Ïî¼ÆËãµÄºê£¬Ã¿´ÎÔËÐе½0.05Ã룬Ҳ¾ÍÊÇÓõ½C_UDMIµÄʱºò¾Í³öÏÖ´íÎó£ºaccess violation
˵Ã÷£ºC_UDMIÒÑ·ÖÅäÄڴ棬ÊÇÔÚdefine_execute_at_endÖÐÒѸ³Öµ£¬²¢ÓÃdefine_init½øÐÐÁ˳õʼ»¯¡£
DEFINE_SOURCE(heat_source,c,t,dS,eqn)
{
cell_t c;
Thread *t;
real source;
real current_timestep;   /*as word means*/
real current_time;
current_time = RP_Get_Real("flow-time";
current_timestep = RP_Get_Real("physical-time-step";

if(current_time > 0.05)
        {
                   source = 340000000. * exp(-3 * 0.01 * pow (10,-4) * (C_UDMI(c,t,1) - C_UDMI(c,t,0)));/*ÈÈÔ´ÏÊý*,´ËÐÐÓÐÎó*/
   return source;
  }
else
        {  
        return 340000000.;
        }      
      
}
4Â¥2014-02-22 11:12:52
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woshihuolei

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5Â¥2014-02-22 19:42:57
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sunbird04

Òø³æ (СÓÐÃûÆø)

¡¾´ð°¸¡¿Ó¦Öú»ØÌû

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ÄãµÄÔ´Ïî³ÌÐò²»ÍêÕûŶ£¬»¹ÓÐÒ»¸ö²ÎÊýֵûÓиø³öÀ´£ºÔ´ÏîµÄÒ»´Îµ¼Êý£¨dS[eqn] £©¡£

ÒÔÏÂÊÇhelpÀïÃæµÄÒ»¸öʵÀý£¬¹©²Î¿¼¡£Ï£Íû¶ÔÄãÓаïÖú

/*******************************************************************/
/* UDF for specifying an x-momentum source term in a spatially     */
/* dependent porous media                                          */
/*******************************************************************/

#include "udf.h"

#define C2 100.0

DEFINE_SOURCE(xmom_source,c,t,dS,eqn)
{
  real x[ND_ND];
  real con, source;

  C_CENTROID(x,c,t);
  con = C2*0.5*C_R(c,t)*x[1];

  source = -con*fabs(C_U(c, t))*C_U(c,t);
  dS[eqn] = -2.*con*fabs(C_U(c,t));

  return source;
}
6Â¥2014-02-23 16:05:17
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woshihuolei

Òø³æ (СÓÐÃûÆø)

ÒýÓûØÌû:
6Â¥: Originally posted by sunbird04 at 2014-02-23 16:05:17
ÄãµÄÔ´Ïî³ÌÐò²»ÍêÕûŶ£¬»¹ÓÐÒ»¸ö²ÎÊýֵûÓиø³öÀ´£ºÔ´ÏîµÄÒ»´Îµ¼Êý£¨dS £©¡£

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/*******************************************************************/
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