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![]() Ëù±àдµÄÄÜÁ¿Ô´Ïî³ÌÐòÈçÏ£º#include "udf.h" DEFINE_SOURCE(heat_flux,cell,thread,ds,eqn) { real x[ND_ND]; real time,r; real source_heat; int k,u; C_CENTROID(x,cell,thread); time=CURRENT_TIME; k=(int)((int)(time)/6); u=(int)(time)%6; r=0; if(u>=0&&u<2) { r=sqrt(pow(x[0]+0.2-0.2*(time-6*k),2)+pow(x[1]-0.2,2)); if(r<=0.06&&x[2]>=0&&x[2]<=0.001&&x[1]<=0.2) { source_heat=8e11*exp(-3000*pow((r-0.005),2)); ds[eqn] =0; } else if(r<=0.06&&x[2]>=0&&x[2]<=0.001&&x[1]>0.2) { source_heat=4e11*exp(-3000*pow((r-0.005),2)); ds[eqn] =0; } } else { source_heat= ds[eqn] =0; } Message("u=%d,k=%d\n",u,k); Message("source_heat=%f\n",source_heat); return source_heat; } ´æÔÚÎÊÌ⣺ËùÓÐÊä³öµÄÄÜÁ¿Öµsource_heat¶¼Îª0 Ä£Ðͼò½é£ºt=0ʱ¿Ì£¬ÔÚxyÆ½ÃæÉÏ£¬ÈÈÔ´ÖÐÐÄλÓÚ£¨-0.2,0.2£©£»ËæÊ±¼äÔö¼Ó£¬ÔÚ0-2SÄÚÈÈÔ´ÑØy=0.2Ö±ÏßÔ˶¯£»ÈÈԴɨÃèÇøÓòΪ°ë¾¶Îªr=0.06µÄÔ²ÐΡ£ÔÚµ±Ç°Ê±¿Ì£¬ÈÈÔ´ÖÐÐÄΪ£¨-0.2+0.2*(time-6*k), 0.2£©£¬ËùÒÔÓÐÈÈÔ´µÄÔ²Ðΰ뾶r=sqrt(pow(x[0]+0.2-0.2*(time-6*k),2)+pow(x[1]-0.2,2)) ÒÔÏ·½Ê½²é¿´rÖµ£º r=sqrt(pow(x[0]+0.2-0.2*(time-6*k),2)+pow(x[1]-0.2,2))£» Message("r=%f\n",r); ·¢ÏÖÊä³öµÄrֵûÓÐСÓÚ0.1µÄ£¬²»ÖªµÀÊÇË¢ÆÁÌ«¿ì»¹ÊÇȷʵûÓУ¿ Èç¹ûȷʵÎÞСÓÚ0.1µÄÖµ£¬ÈÈÔ´Êä³öֵΪ0£¬Ò²¾ÍÕý³££»¿ÉÎÊÌâÊÇrÓ¦¸ÃÓÐСÓÚ0.06µÄÖµ£¬ÒòΪx[0],x[1]µÄȡֵ·¶Î§Îª[-0.35,0.35],Ò²¾ÍÊÇ˵rµÄÊä³öÖµÓ¦¸ÃÔÚ[0,0.06]ÄÚÓÐÖµ£¡£¡ ×Ðϸ¼ì²éÁËÏ£¬ÊµÔÚÕÒ²»³öÄijöÏÖÎÊÌâÁË ![]() ![]() ¸ßÊÖÃǰïæ¿´¿´°É£¬Ð»Ð»£¡£¡£¡ ![]() |
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