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Ïë´ïµ½µÄÄ¿µÄÊÇ£ºÊ×Ïȳõʼ»¯Ò»¸öhÖµ£¨ÊýÖµºÜС£©£¬ÔÙͨ¹ýDEFINE_ADJUSTºêʵʱ¼ÆËãµÃµ½Ò»¸öhÖµ£¬È»ºó½«Æä´øÈëµ½×îºóµÄÔ´ÏîÖУ¬½«Æä×÷ΪԴÏîµÄÒ»¸öÅж¨Ìõ¼þºÍ±äÁ¿¡£

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1¡¢ÓÃDEFINE_INIT³õʼ»¯hÖµ
2¡¢ÈçºÎ½«DEFINE_INIT³õʼ»¯µÄÖµÒÔ¼°DEFINE_ADJUSTºêʵʱµÃµ½µÄÖµ´øÈëµ½Ô´ÏîÖÐ
3¡¢ÏÂÃæÊÇUDF£¬hºÍZmin¶¨ÒåΪÁËÈ«¾Ö±äÁ¿
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DEFINE_INIT(my_int,d)
{
h=1.0e-5
}
£¨2£©Õâ¸öÊÇ·ñÓÐÎÊÌ⣿±àÒë¿ÉÒÔͨ¹ý
DEFINE_ADJUST(adjust_fraction, d)
{
    Thread *t;
    cell_t c;
    Thread **pt;  
    real x,y,z,e[ND_ND];
    d = Get_Domain(1);
    mp_thread_loop_c (t,d,pt)   
        {
                if (FLUID_THREAD_P(t))
                begin_c_loop (c,t)
                {
                    C_CENTROID(e,c,t);
                z=e[2];
             if(C_VOF(c,pt[0])>0.3 && C_VOF(c,pt[0])<0.9) //¸ù¾ÝVOFÊýÖµÅжϽçÃæ.
                {
              if(Zmin              Zmin=z;
                }
                h=fabs(Zmin);
                }
                end_c_loop (c,t)
        }
}
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