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Öîλ£º ÎÒÄâÄ£Äâ¹ÜµÀÄÚÁ÷ÌåÈë¿ÚËÙ¶ÈËæÊ±¼ä±ä»¯Ê±£¬ÄÚ²¿¹ÜµÀµÄѹÁ¦±ä»¯Ç÷ÊÆ¡£ ÓÃudf±àдÈë¿ÚËÙ¶ÈÈçÏ£º #include "udf.h" DEFINE_PROFILE(velocity, thread, position) { face_t f; begin_f_loop(f, thread) { real t = RP_Get_Real("flow-time" ;if (t <= 3) F_PROFILE(f, thread, position) = 3; else if (t > 3 && t <=6) F_PROFILE(f, thread, position) = t; else if (t > 6 && t <=9) F_PROFILE(f, thread, position) = 6; else if (t > 9 && t <=15) F_PROFILE(f, thread, position) = -t/2+10.5; else F_PROFILE(f, thread, position) = 3; } end_f_loop(f, thread) } Òâ˼ÊÇ0~3sʱ£¬Èë¿ÚËÙ¶ÈΪ3m/s 3~6sʱ£¬ËÙ¶ÈÊÇÏßÐÔÉÏÉýµÄ£¬v0=t£» ¡¡ µ«ÊÇÓÃfluentÄ£Äâʱ£¬¹Û²ìµ½Èë¿ÚËÙ¶È×ÜÊÇΪ0,¶øÇÒ3sºó»áÏßÐÔÉÏÉý£¬µ«ÊÇÊýֵʱ´íÎóµÄ¡£ÇëÎÊÊÇÄÄÀïûÉèÖúᣠлл´óÏÀ£¡ |
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