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Òø³æ (СÓÐÃûÆø)

[ÇóÖú] Á¸²ÖÄ£Äâ

¸÷λ´óÉñ£¬±»Ë®·ÖÔ´ÏîÒ»Ö±À§ÈÅÕâ¡£±ÏÒµÂÛÎÄÊǹØÓÚ£¬Í¨·ç¹ý³ÌÖÐÁ¸²ÖÄÚË®·Ö±ä»¯£¬½è¼ø²Î¿¼ÎÄÏ×ÉÏ˵ˮ·Ö±ä»¯Í¨¹ýudsÀ´ÊµÏֵġ£ÏÖ½«²ÖÄÚÁ¸Ê³ÉèÖÃΪ¶à¿×½éÖÊÇøÓò£¬Ö»±àдÁËÒ»¸öDEFINE_SOURCE(my_udf,,cell,thread,ds,eqn)Ðв»Í¨£¬¾ßÌåÈçÏ£º
DEFINE_SOURCE(my_mass,c,t,dS,eqn)
{
real w,r,tem,k,we,p,psat;
w=C_UDMI(c,t,0);    Á¸Ê³³õʼˮ·Ö
r=C_UDMI(c,t,1);     Í¨·ç¿ÕÆøµÄ³õʼÏà¶Ôʪ¶È
x=*****    ͨ·ç¿ÕÆøµÄʪº¬Á¿
tem=C_T(c,t)-273.15;   ¶ÁÈ¡Íø¸ñζÈ
if(w!=0)                  
{
if(r<0.75)             Ïà¶Ôʪ¶ÈСÓÚÆ½ºâÏà¶Ôʪ¶È
{
we=0.294-0.046*log(-(tem+35.703)*log(r)/log(2.7183))/log(2.7183);    Á¸Ê³µÄƽºâË®·Ö
psat=6.0e25/pow(Tabs,5) *exp(-6800/Tabs);    ±¥ºÍË®·ÖÕôÆûѹ
p=101325*x/(0.62198+);   Á¸¶ÑÄÚÕôÆûѹ
r=p/psat;      Ïà¶Ôʪ¶È
k=2000*exp(-5094/(tem+273.15))*(w-we);
w=w-k;
x=x+k;
}
C_UDMI(c,t,1)=r;
}
else
  {
w=w;  
}
C_UDMI(c,t,0)=w;

}
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