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huanghuang36ͳæ (СÓÐÃûÆø)
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UDF ¸ÄΪ²¢ÐмÆËã
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ÎÒµÄUDF ÔÚµ¥»úÏÂÄÜÕý³£Ê¹Ó㬵«ÊDz¢Ðв»ÊÇÐèÒª¸ÄÒ»ÏÂÓï¾äÂ±¾ÈËÓÞ¶Û£¬ÕÕ׎̸̳ÄÁ˸ĵ«ÊÇÒ»Ö±²»¶Ô£¬Ï£Íû¸ßÈËÄܰïæָµãһϣ¬²»Ê¤¸Ð¼¤°¡ ÈçÏÂÊÇÎÒµÄUDF£ºÖ÷ҪʹÓõľÍÊÇCG_MOTION #include #include "udf.h" #include "math.h" real r_movefluid; DEFINE_CG_MOTION(moveface, dt, cg_vel, cg_omega, time, dtime) { Thread *t; face_t f; real x0,y0,r; real v0; real v; real omega=M_PI; real theta=omega*time; real x[ND_ND]; t = DT_THREAD(dt); begin_f_loop(f,t) { F_CENTROID(x,f,t); x0=x[0]; y0=x[1]; r=sqrt(pow(x0,2)+pow(y0,2)); } end_f_loop(f,t) v0=omega*r; r_movefluid=r; if (time>=0 && time<=M_PI/(180*omega)) v=0; else if (time<=8*M_PI/(180*omega)) v=12.96*(theta-(M_PI/180))*omega/(7*pow(M_PI,2)); else if (time<=10*M_PI/(180*omega)) v=0.072*omega/M_PI; else if (time<=29*M_PI/(180*omega)) v=(0.072*omega/M_PI)-12.96*(theta-M_PI/18)*omega/(19*M_PI*M_PI); else if (time<=31*M_PI/(180*omega)) v=0; cg_vel[0]=v*cos(theta)-v0*sin(theta); cg_vel[1]=v*sin(theta)+v0*cos(theta); cg_vel[2]=0; cg_omega[0]=0; cg_omega[1]=0; cg_omega[2]=omega; } DEFINE_CG_MOTION(rotate, dt, cg_vel, cg_omega, time, dtime) { real omega=M_PI; cg_omega[2]=omega; } DEFINE_CG_MOTION(movefluid, dt, cg_vel, cg_omega, time, dtime) { real v0; real v; real omega=M_PI; real theta=omega*time; v0=omega*r_movefluid; if (time>=0 && time<=M_PI/(180*omega)) v=0; else if (time<=8*M_PI/(180*omega)) v=12.96*(theta-(M_PI/180))*omega/(7*pow(M_PI,2)); else if (time<=10*M_PI/(180*omega)) v=0.072*omega/M_PI; else if (time<=29*M_PI/(180*omega)) v=(0.072*omega/M_PI)-12.96*(theta-M_PI/18)*omega/(19*M_PI*M_PI); else if (time<=31*M_PI/(180*omega)) v=0; cg_vel[0]=v*cos(theta)-v0*sin(theta); cg_vel[1]=v*sin(theta)+v0*cos(theta); cg_vel[2]=0; cg_omega[0]=0; cg_omega[1]=0; cg_omega[2]=omega; } ¸Õ×¢²áµÄ£¬Ä¿Ç°Ö»ÓÐÁ½¸ö½ð±Ò£¬ºÇºÇ£¬²»ºÃÒâ˼°¡~~ |
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sunbird04
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7Â¥2012-10-17 17:18:35
Mr.Silence
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2Â¥2012-10-09 11:17:09
huanghuang36
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3Â¥2012-10-10 10:02:36
sunbird04
Òø³æ (СÓÐÃûÆø)
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xiegangmai: ½ð±Ò+1, ллӦÖú 2012-10-10 21:20:01
huanghuang36: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú, ллÄãµÄ°ïÖúŶ~~ 2012-10-16 09:34:24
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xiegangmai: ½ð±Ò+1, ллӦÖú 2012-10-10 21:20:01
huanghuang36: ½ð±Ò+2, ¡ï¡ï¡ïºÜÓаïÖú, ллÄãµÄ°ïÖúŶ~~ 2012-10-16 09:34:24
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