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New Member
Charles Gao
Join Date: Oct 2013
Posts: 1
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Hello, everyone. I use an UDF to set the Ultraviolet fluence rate (Concentration) to zero at selected region. But it didn't work at the region near the wall. (The middle of the region is zero, but the near wall region is not zero). Here is the code:
DEFINE_ON_DEMAND(set_UV) { Domain *d ; Thread *t ; cell_t c ; real coord[ND_ND], Z_low = 1.8, Z_high = 2.6 ; { d=Get_Domain(1); thread_loop_c(t,d) { begin_c_loop(c,t) { /* restrict the Fluence rate to zero outside the irradiation zone */ C_CENTROID(coord,c,t) ; if ( (coord[2] < Z_low) || (coord[2] > Z_high) ) C_UDSI(c,t,0) = 0 ; } end_c_loop(c,t); } } } |
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concentration, udf, uds, ultraviolet |
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