求教：关于相变的UDF

布裤男孩

各位前辈，大家好~在下要模拟三维容器内的相变（水沸腾为水蒸气），请问利用沸腾算例UDF文件作为模板可以吗？需要修改哪些参数呢？谢谢~

#include "udf.h"
#include "sg_mphase.h"
#define T_SAT 373
#define LAT_HT 1.e3


DEFINE_SOURCE(liq_src, cell, pri_th, dS,eqn)
{

Thread *mix_th, *sec_th;
real m_dot_l;

mix_th = THREAD_SUPER_THREAD(pri_th);
sec_th = THREAD_SUB_THREAD(mix_th, 1);

if(C_T(cell, mix_th)>=T_SAT){
m_dot_l = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*
fabs(C_T(cell, pri_th) -T_SAT)/T_SAT;
dS[eqn] = -0.1*C_R(cell, pri_th)*
fabs(C_T(cell, pri_th) - T_SAT)/T_SAT;
  }
else {
m_dot_l = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*
fabs(T_SAT-C_T(cell,mix_th))/T_SAT;

dS[eqn] = 0.;

}

return m_dot_l;

}

DEFINE_SOURCE(vap_src, cell, sec_th, dS,eqn)

{

Thread * mix_th, *pri_th;
real m_dot_v;

mix_th = THREAD_SUPER_THREAD(sec_th);
pri_th = THREAD_SUB_THREAD(mix_th, 0);

if(C_T(cell, mix_th)>=T_SAT){
m_dot_v = 0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*
fabs(C_T(cell, mix_th) -T_SAT)/T_SAT;
  dS[eqn] = 0.;
}
else {
m_dot_v = -0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*
fabs(T_SAT-C_T(cell,mix_th))/T_SAT;

dS[eqn] = -0.1*C_R(cell, sec_th)*
fabs(C_T(cell, sec_th) - T_SAT)/T_SAT;

  }

return m_dot_v;

}

DEFINE_SOURCE(enrg_src, cell, mix_th, dS,eqn)
{
Thread *pri_th, *sec_th;
real m_dot;
pri_th = THREAD_SUB_THREAD(mix_th, 0);
sec_th = THREAD_SUB_THREAD(mix_th, 1);

if(C_T(cell, mix_th)>=T_SAT){
m_dot = -0.1*C_VOF(cell, pri_th)*C_R(cell, pri_th)*
fabs(C_T(cell, pri_th) -T_SAT)/T_SAT;

dS[eqn] = -0.1*C_VOF(cell,pri_th)*C_R(cell, pri_th)/T_SAT;
}

else {
m_dot = 0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)*
fabs(T_SAT-C_T(cell,mix_th))/T_SAT;

dS[eqn] = -0.1*C_VOF(cell, sec_th)*C_R(cell, sec_th)/T_SAT;}

return LAT_HT*m_dot;
}

luntan666

看不懂......












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