×ø±êÔµãΪÌåÈÈÔ´ÖÐÐÄ£¬¼ÓÔØ¸ß˹ÐýתÌåÈÈÔ´£»³ÌÐòÈçÏ£¬µ«ÊÇÈÈÔ´¼ÓÔØ²»ÉÏ£¬ÇóÖ¸µã
#include "udf.h"
DEFINE_SOURCE(heat_flux,cell,thread,ds,eqn)
{
real x[ND_ND];
real oq,t0,v0,Q,time,cs,hh;
real r,rh;
real source_heat;
cell_t c;
C_CENTROID(x,c,thread);
Q=100000; /*ǹ¹¦ÂÊ*/
cs=3/pow(oq,2); /*ÐÎ×´Òò×Ó*/
hh=150e-3; /*ÈÈÔ´¸ß¶È*/
oq=60e-3; /*ÈÈÔ´°ë¾¶*/
r=sqrt(pow(x[0]-0.35,2)+pow(x[1]+0.35,2)); /*×ø±êÓëÈÈÔ´ÖÐÐĵľàÀë*/
rh=sqrt(log(hh/x[2])/3.)*oq; /*Ò»¶¨ÈÈÔ´¸ß¶È¶ÔÓ¦µÄ°ë¾¶rh*/
if (x[2]==0)
{
source_heat=3.*cs*Q/(3.14*hh*(1.-1./exp(3)));
ds[eqn] =0;
}
else if (x[2]>0&&x[2]<=hh&&r<=rh)
{
source_heat=3.*cs*Q/(3.14*hh*(1.-1./exp(3)))*exp(-3.*cs/log10(hh/x[2])*pow(r,2.));
ds[eqn] =0;
}
else
{
source_heat= ds[eqn] =0;
}
return source_heat;
}
²Î¿¼ÐÅÏ¢£ºhttp://muchong.com/bbs/viewthread.php?tid=4198673 |