udf for acoustic caculation
hi:
I want to caculate the outer fluid noise of vehicle in a high-speed. But the manual says that data of sound must be save and caculate by using UDF--DEFINE_ADJUST and DEFINE_ON_DEMAND seperately. What I want to know is that what should I write in these UDF. For the first one of saving pressure function, I think it likes this #include "udf.h" DEFINE_ADJUST(sp, d ) { Thread *t; cell_t c; thread_loop_c(t,d) { begin_c_loop(c,t) C_UDMI(c,t,0 )=C_P(c,t); end_c_loop(c,t) } } but the questions is where the thread(t) should point? Is the sound generation wall? How to realize it? For the second UDF, should I programm the formula to caculate the corresponding data or use the existing module to do this. THanks in advance. kevin |
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