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[ÇóÖú] udfÖÂÃü´íÎó ÒÑÓÐ1È˲ÎÓë

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#include"udf.h"
#include<math.h>

DEFINE_UDS_UNSTEADY(myunsteady,c,t,i,apu,su)

{
        real physical_dt,vol,phi_old;
        physical_dt=RP_Get_Real("physical_time_step";
        vol=C_VOLUME(c,t);
         *apu=-vol/physical_dt;
         phi_old=C_STORAGE_R(c,t,SV_UDSI_M1(i));
         *su=vol*phi_old/physical_dt;
}

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

{
        real A[ND_ND];
        real source;
        real temp0,temp1,temp2;
        real vol;
        real vof;
        real a0[ND_ND],a1[ND_ND],a2[ND_ND];
        real diff;
        real xv[ND_ND],yv[ND_ND],zv[ND_ND];
       
        Domain*d;
        Thread*mix_th;
        face_t f;
        d=Get_Domain(2);
        mix_th=THREAD_SUPER_THREAD(sec_th);           //Ö¸ÕëÖ¸Ïò»ìºÏÏîµÄµÚ¶þÏҺ̬ˮ
        temp0=C_T_G(cell,mix_th)[0];
        temp1=C_T_G(cell,mix_th)[1];
        temp2=C_T_G(cell,mix_th)[2];
        vol=C_VOLUME(cell,mix_th);                                         //¿ØÖÆÌåÌå»ý£»
        vof=C_UDSI(cell,mix_th,0);                                        //¿ØÖÆÌå ÄÚº¬ÊªÁ¿£»
        diff=-2.3495*pow(10,-5)*pow(vof,6)+2.0370*pow(10,-5)*pow(vof,5)-6.6946*pow(10,-6)*pow(vof,4)+1.0438*pow(10,-6)*pow(vof,3)-7.8699*pow(10,-8)*pow(vof,2)+2.7350*pow(10,-9)*vof+5.4039*pow(10,-12);         //µÈÎÂÀ©É¢ÏµÊý
        xv[0]=1;xv[1]=0;xv[2]=0;
        yv[0]=0;yv[1]=1;yv[2]=0;
        zv[0]=0;zv[1]=0;zv[2]=1;

        begin_f_loop(f,mix_th)                                        //Àú±é»ìºÏÏàµÄ ËùÓÐÃæ£»
        {
        F_AREA(A,f,mix_th);
        a0[ND_ND]+=temp0*NV_DOT(A,xv);                //x·½ÏòµÄζÈÌݶÈÓë¿ØÖÆÌåx·½Ïò Í¶Ó°Ãæ»ýµÄ³Ë»ý£»
        a1[ND_ND]+=temp1*NV_DOT(A,yv);
        a2[ND_ND]+=temp2*NV_DOT(A,zv);
        }
        end_f_loop(f,mix_th)

        source=diff*(a0[0]+a1[1]+a2[2])/vol;
        dS[eqn]=0;
        return source;
}


DEFINE_DIFFUSIVITY(MyDiff,c,t,i)

{
        real vof;
        real con_zl;
        real con_nd;
        real MyDiff;

        vof=C_UDSI(c,t,0);
        con_zl=0.075636667-0.000114214*C_T(c,t)-0.000000279*C_T(c,t)*C_T(c,t);
        con_nd=0.00041212*exp(-C_T(c,t)/12.37666)+0.00119916*exp(-C_T(c,t)/41.70239)+0.00018058;
        MyDiff=9.15003*pow(vof,3.613655)*con_zl*0.0014953452/(con_nd*0.073240827);

        return MyDiff;
}
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