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[½»Á÷] fluentÖÐÌݶÈUDFÔ´Ïî

ÎÒÏë±àдԴÏî𝑆=∇(𝜌𝑣(ℎ_𝑙−&#119867)£¬fluentÀïºÃÏñûÓжÔÒ»¶Ñʽ×ÓÇóÌݶȵĺ꣬ÄÇÎÒÏëÓÃC_UDSI=𝜌𝑣(ℎ_𝑙−&#119867£¬ÔÙÓÃUDM=C_UDSI_G£¬×îºóÓÃÔ´ÏîS=UDM£¬²»ÖªÐеÃͨÂ𣿻òÕßÖ±½Ó°ÑÕâ¸öʽ×Ó¿ª³öÀ´£¬µ«ÕâÑùÓÖÂé·³ÓÖÄÑд£¬ÇÒ²»ÖªÕýÈ·¡£Èç¹û¿ÉÐУ¬UDSÈçºÎÉèÖá£Çë¸÷λǰ±²³©ÑÔ£¬ÏÂÃæÊÇÎÒµÄUDF£º
DEFINE_ADJUST(adjust_gradient, domain)
{
    Thread *t;
    real a,b,d;
    cell_t c;
    face_t f;
    domain = Get_Domain(domain_ID);
    /* Fill UDS with the variable. */
    thread_loop_c (t,domain)
      {
      begin_c_loop (c,t)
         {
             a=C_U(c,t);
             b=C_V(c,t);
             d=sqrt(a*a+b*b);
         C_UDSI(c,t,0) = C_R(c,t)*d*((C_H(c,t)-(1-C_LIQF(c,t))*g*C_T(c,t))/C_LIQF(c,t)-C_H(c,t));
         }
      end_c_loop (c,t)
      }
  }
#include"udf.h"

DEFINE_SOURCE(guye_source,cell,thread,dS,eqn)
{
    real source;
    cell_t c;
    Thread *t;
    C_UDMI(c,t,0)=NV_MAG(C_UDSI_G(c,t,0));
    source=C_UDMI(c,t,0);
    dS[eqn]=0.0;
    return source;
}

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fluentÖÐÌݶÈUDFÔ´Ïî-1
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