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G丶Sky

金虫 (小有名气)

[求助] 使用UDF后,Fluent在初始化时报错!

node 0: process 13144: received signal sigsegv.

node 1: process 12128: received signal sigsegv.

node 2: process 11984: received signal sigsegv.

node 3: process 12448: received signal sigsegv.
mpi application rank 0 exited before mpi_finalize() with status 2
The fl process could not be started.

没有使用udf前,可以正常初始化并且计算。在导入udf后,初始化时出现上面的报错内容。

请问这种情况是因为udf内容编写的问题,还是其他情况呀。

udf是模型某一边界的对流换热系数随温度的变化的udf。具体内容附在了后面,请大家指导一下,感谢!!

#include "udf.h"
define_profile(heat_transfer,thread,index)
{
real h1 = 20400;
real h2 = 1528.34;
real tm = 300;
real sb = 0.0000000567;
real e1 = 0.05;
real e2 = 0.07;
face_t f;
begin_f_loop(f,thread)
{
        real t = f_t(f,thread);
        real h3 = (sb*(t-300))/(((1/e1)+(1/e2)-1)*(t-300));
        if(t>=1540)
                        f_profile(f,thread,index)=1/((1/h1)+(1/h2)+(1/800));
        else
                f_profile(f,thread,index) = 1/((1/h1)+(1/h2)+(1/h3));
}
end_f_loop(f,thread)
}
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