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ÎÊÌâ1£ºÎÒÄ£ÄâÁËÒ»¸ö¶þάˮ²Û£¬Ö»¼ÓÁËÒ»¸öÏû²¨µÄudf¡£´®ÐеÄʱºò¼ÆËãÕý³££¬¸Ä³É²¢Ðк󣬼ÆËãÌáʾGlobal courant number³¬¹ý250¡£µ«ÔÚÏàͬÇé¿öϰѲ¢ÐеÄʱ¼ä²½µ÷С£¬Ò²¿ÉÒÔ¼ÆËã¡£ÎÒÏëÈ·ÈÏһϣ¬ÕâÎÊÌâÊÇÒòΪÎÒµÄudfûÓиijɲ¢ÐÐÔì³ÉµÄ¼ÆËãÎó²î½Ï´óÄØ£¿»¹Êǽö½öÊDzÎÊýÉèÖÃÎÊÌ⣿ ÎÊÌâ2£ºÈç¹ûÊÇudfδ¸Ä²¢ÐеÄÎÊÌ⣬ÄÇôÎÒµÄudfÓ¦¸ÃÔõôÐÞ¸ÄÄØ£¿ÍøÉÏ˵ÊÇ¡°ÔÚÿ¶Î³ÌÐò ×îǰͷ¼ÓÉÏ #if !RP_HOST ×îĩβ¼ÓÉÏ#endif ¼´¿É¡±£¬¾ßÌåÓ¦¸ÃÔõô²Ù×÷ÄØ£¿ ÏÂÃæÓмÆËãÌáʾµÄGlobal courant number³¬¹ý250£¬ÒÔ¼°Ïû²¨³ÌÐò£¬Ð»Ð»À² #include "udf.h" #define PI 3.1415926 #define G 9.81 #define D 5 #define H 1 #define T 4 #define L 23 #define FL 90 //xiaobo// // x direction momentum // DEFINE_SOURCE(x_mom_source,c,t,dS,eqn) { real x[ND_ND]; real x_source; real y; real xishu; real time = RP_Get_Real("flow-time" ;y=x[1]; C_CENTROID(x,c,t); if(x[0]>=FL-L && x[0] <=FL) { if(y>=D-H && y <=D) { xishu=8*(x[0]-(FL-L))/L; x_source=-C_U(c,t)*998.2*xishu; dS[eqn]=-998.2*xishu; } else x_source=0; } else x_source=0; return x_source; } // y direction momentum // DEFINE_SOURCE(y_mom_source,c,t,dS,eqn) { real x[ND_ND]; real y_source; real y; real xishu; real time =RP_Get_Real("flow-time" ;y=x[1]; C_CENTROID(x,c,t); if(x[0]>=FL-L && x[0] <=FL) { if(y >= D-H && y <=D) { xishu=8*(x[0]-(FL-L))/L; y_source=-C_V(c,t)*998.2*xishu; dS[eqn]=-998.2*xishu; } else y_source=0; } else y_source=0; return y_source; } |
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