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aoyunjin

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[½»Á÷] fluent ¶¯Íø¸ñ6DOF UDF bulidʱ²»Äܽ¨Á¢dllÎļþ ÒÑÓÐ1È˲ÎÓë

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#include "udf.h"
DEFINE_CG_MOTION(BENGFA6,dt,vel,omega,time,dtime)
{
  Thread *tf=DT_THREAD(dt); /*ÓòÖ¸Õë*/
  face_t f;
  Node *v;
  int n;  /*µØÖ·ÕûÊý*/
  real NV_VEC(A); /*Ãæ»ýÏòÁ¿*/
  real Fq,Ft;
  real Ds,Mg,Gg;
  real NV_VEC(Yaxi);

  Fq=0.0;
  Ft=0.0;
  Ds=0.0;
  Mg=0.09;
  Gg=Mg*9.8;
  NV_D(Yaxi,=,0.0,1.0,0.0);
  NV_S(vel,=,0.0);

  begin_f_loop(f,tf)
  {
        F_AREA(A,f,tf);
        Fq += NV_DOT(A,Yaxi)*F_P(f,tf);
   }
   end_f_loop(f,tf);
   Message("\n FLUID FORCE:%f\n",Fq);
   Ft=Fq-Gg;
   Message("\n TOTAL FORCE OF Y:%f\n",Ft);
  if((Ft>0.0 && time<0.3 && DT_CG(dt)[1]<0.018) || (Ft<0.0 && time>0.3 && DT_CG(dt)[1]>0.0))
  {
   vel[1]=DT_VEL_CG(dt)[1]+Ft*10.0*dtime;
   }
  Message("\n BENGFA vel:%f\n",vel[1]);
}
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