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FLUENT 6.3°ïÖúÎĵµ ADJUSTºêÀý2µÄÒÉ»ó ÒÑÓÐ1È˲ÎÓë
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´ó¼ÒÒ»¶¨¶ÔÕâ¸öÀý×Ó²»Ä°Éú The following UDF, namedadjustfcn, species a user-dened scalar as a function of the gradient of another user-dened scalar, using DEFINE_ADJUST. The function is called once every iteration. It is executed as a compiled UDF inFLUENT. /******************************************************************** UDF for defining user-defined scalars and their gradients *********************************************************************/ #include "udf.h" DEFINE_ADJUST(adjust_fcn,d) { Thread *t; cell_t c; real K_EL = 1.0; /* Do nothing if gradient isn't allocated yet. */ if (! Data_Valid_P()) return; thread_loop_c(t,d) { if (FLUID_THREAD_P(t)) { begin_c_loop_all(c,t) { C_UDSI(c,t,1) += K_EL*NV_MAG2(C_UDSI_G(c,t,0))*C_VOLUME(c,t); } end_c_loop_all(c,t) } } } ÎÒµÄÒÉÎÊÊÇ£¬ÕâÑù¶¨Òå³öÀ´µÄUDS(i=1)ÓÐʲôʵ¼ÊµÄ×÷ÓÃÂ𣬻¹ÓÐC_UDSI(c,t,1)ÖµÒѾȷ¶¨µÄ»°£¬ÄÇUDS(i=1)µÄ·½³ÌÄѵÀ²»ÓÃÇó½âÁË£¿ |
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