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[求助]
fluent組分濃度獲得udf方法
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想用udf獲得燃燒組分濃度,然后依據(jù)濃度編寫反應速率方程。求問怎么獲得組分濃度。貼一段自己寫的代碼,運行不了。 #include "udf.h" #include "materials.h" real rate; DEFINE_WSGGM_ABS_COEFF(ratename,c,t,xi,p_t,s,soot_conc,Tcell,nb,ab_wsggm,ab_soot) { Material *m = THREAD_MATERIAL(t); int in2o = mixture_specie_index(m, "n2o" ;int io = mixture_specie_index(m, "o" ;int ino = mixture_specie_index(m, "no" ;real N2O_molf, O_molf, NO_molf; real k1, k2; k1 = 1; k2 = 2; N2O_molf = xi[in2o]; O_molf = xi[io]; NO_molf = xi[ino]; rate=2*(k1*N2O_molf*O_molf-k2*NO_molf*NO_molf); return rate; } |
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