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#include "udf.h" #define Mu 4*3.1415927e-7 #define T0 293 #define hc 80 #define dsity 1810 #define g 9.81 #define bata 1e-4 DEFINE_PROFILE(heat_flux,t,i) { real x[ND_ND]; face_t f; real r,m,n,k,qmax,a1,b1,c1,a2,b2,c2,s,e; qmax=8e6; a1=7.648e6; b1=0.5133; c1=0.5986; a2=7.647e6; b2=-0.5133; c2=0.5985; s=5.67e-8; e=0.06; begin_f_loop(f,t) { real T=F_T(f,t); F_CENTROID(x,f,t); m=x[0]; n=x[1]; k=RP_Get_Real("flow-time" ;r=sqrt(pow(m-2*k,2)+pow(n,2)); if(r<=3) F_PROFILE(f,t,i)=a1*exp(-pow((r-b1)/c1,2))+a2*exp(-pow((r-b2)/c2,2))-hc*(T-T0)-s*e*(pow(T,4)-pow(T0,4)); else F_PROFILE(f,t,i)=-hc*(T-T0)-s*e*(pow(T,4)-pow(T0,4)); } end_f_loop(f,t) } DEFINE_SOURCE(x_velocity_source,cell,thread,dS,eqn) { real source; real x[ND_ND]; real r,m,y,z,k,Jr; begin_f_loop(cell,thread) { C_CENTROID(x,cell,thread); m=x[0]; y=x[1]; z=x[2]; k=RP_Get_Real("flow-time" ;r=sqrt(pow(m-2*k,2)+pow(y,2)); Jr=7.473e6*exp(-pow((r-1.211)/1.451,2))+7.473e6*exp(-pow((r+1.211)/1.451,2)); source=-Mu*Jr*(1-Jr/(7.473e6))*(1-z/5)*m/(12*3.1415926*pow(r,2)); dS[eqn]=0; return source; } end_f_loop(cell,cell_thread) } DEFINE_SOURCE(y_velocity_source,cell,thread,dS,eqn) { real source; real x[ND_ND]; real r,m,y,z,k,Jr; begin_f_loop(cell,thread) { C_CENTROID(x,cell,thread); m=x[0]; y=x[1]; z=x[2]; k=RP_Get_Real("flow-time" ;r=sqrt(pow(m-2*k,2)+pow(y,2)); Jr=7.473e6*exp(-pow((r-1.211)/1.451,2))+7.473e6*exp(-pow((r+1.211)/1.451,2)); source=-Mu*Jr*(1-Jr/(7.473e6))*(1-z/5)*y/(12*3.1415926*pow(r,2)); dS[eqn]=0; return source; } end_f_loop(cell,cell_thread) } DEFINE_SOURCE(z_velocity_source,cell,thread,dS,eqn) { real source; real T=C_T(cell,thread); real x[ND_ND]; real r,m,y,z,k,Jr; begin_f_loop(cell,thread) { C_CENTROID(x,cell,thread); m=x[0]; y=x[1]; z=x[2]; k=RP_Get_Real("flow-time" ;r=sqrt(pow(m-2*k,2)+pow(y,2)); Jr=7.473e6*exp(-pow((r-1.211)/1.451,2))+7.473e6*exp(-pow((r+1.211)/1.451,2)); source=Mu*7473000*(1-Jr/7473000)*(1-z/5)/(12*3.1415926*pow(r,2))-dsity*g*bata*(T-800); dS[eqn]=0; return source; } end_f_loop(cell,cell_thread) } ±àÒëÍê³Éºó£¬Èý¸ö·½ÏòµÄ¶¯Á¿Ô´Ïî¡°²»ÊÇËùÓеĿؼþ·¾¶¶¼·µ»ØÖµ¡± ÕâÊÇʲôÇé¿ö°¡£¿¶øÇÒµ¼ÈëfluentÖУ¬¼ÆËãÒ²²»ÊÕÁ² |
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