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chen1989

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#include "udf.h"
#include "sg_mphase.h"

DEFINE_PROPERTY(hydrate_viscosity_1,c,t)
{
  Thread *pri_th,*sec_th;
  real liquidviscosity=0.00179;
  real hydrateviscosity;
  real time=CURRENT_TIME;
  real vof;
  if(time<1.0)
  {
    return 0.002;
  }
  else
  {
          pri_th=THREAD_SUB_THREAD(t,0);
      sec_th=THREAD_SUB_THREAD(t,1);
          hydrateviscosity=C_T(c,sec_th)/100000;
          return hydrateviscosity;
  }                 
}

DEFINE_DELTAT(mydeltat,domain)
{
  real time_step;
  real flow_time=CURRENT_TIME;
  if(flow_time<10)
     time_step=0.4;
  else
     time_step=1;
  return time_step;
}

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