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cure727

铜虫 (初入文坛)

[求助] DPM颗粒采样问题

各位大佬,请教一下,请问我想统计DPM颗粒的信息,由于我设置的粒径为双R分布,所以我想统计一下某个面收集的颗粒粒径以及对应的初始注射粒径等信息,编制了如下的UDF,但是得到的信息总是没有相关信息,怎么回事呢?
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每天挣扎在fluent海洋里的科研小白,抑郁ing
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cure727

铜虫 (初入文坛)

得到的采样文件如下:
#flow_time[s]  Drop Diameter[m]  Temperature [K] Initial Diam [m] Injection Time [s]
306.524293 2.000000e-06 0.000000
306.472011 2.000000e-06 0.000000
306.669614 2.000000e-06 0.000000
306.517553 2.000000e-06 0.000000
306.738379 2.000000e-06 0.000000
306.467020 2.000000e-06 0.000000
306.469905 2.000000e-06 0.000000
306.842561 2.000000e-06 0.000000
306.496579 2.000000e-06 0.000000
306.469344 2.000000e-06 0.000000
306.522293 2.000000e-06 0.000000
306.819322 2.000000e-06 0.000000
306.787735 2.000000e-06 0.000000
306.924582 2.000000e-06 0.000000
306.852378 2.000000e-06 0.000000
306.849436 2.000000e-06 0.000000
306.557879 2.000000e-06 0.000000
306.523406 2.000000e-06 0.000000
306.469548 2.000000e-06 0.000000
306.978197 2.000000e-06 0.000000
306.464698 2.000000e-06 0.000000
306.839832 2.000000e-06 0.000000
306.629820 2.000000e-06 0.000000
306.532645 2.000000e-06 0.000000
306.896036 2.000000e-06 0.000000
306.912673 2.000000e-06 0.000000
306.926566 2.000000e-06 0.000000
306.969930 2.000000e-06 0.000000
306.593245 2.000000e-06 0.000000
306.911620 2.000000e-06 0.000000
306.980775 2.000000e-06 0.000000
306.928181 2.000000e-06 0.000000
306.823461 2.000000e-06 0.000000
306.684796 2.000000e-06 0.000000
每天挣扎在fluent海洋里的科研小白,抑郁ing
3楼2022-03-28 10:38:43
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cure727

铜虫 (初入文坛)

#define REMOVE_PARTICLES FALSE   
   
DEFINE_DPM_OUTPUT(Discrete_phase_sample,header,fp,p,t,plane)   
{   
   
        real flow_time = solver_par.flow_time;   
   
        if(header)   
        par_fprintf_head(fp," #flow_time[s]  Drop Diameter[m]  Temperature [K] Initial Diam [m] Injection Time [s] \n";   
   
        if(NULLP(p))   
        return;   
   
        par_fprintf(fp," %f %e %f %e %f \n",   
        P_TIME(p), P_DIAM(p), P_T(p), P_INIT_DIAM(p), p->time_of_birth);   
     
        #if REMOVE_PARCELS   
        p->stream_index=-1;   
        #endif   
}
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2楼2022-03-28 10:37:35
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