[mumu678]

Hi all
this is a code about the current density
DEFINE_ADJUST(current_density,d)
{
Thread *t;
cell_t c;

if (! Data_Valid_P())
return;

thread_loop_c(t,d)
{
begin_c_loop(c,t)
{
C_UDMI(c,t,0)=-1*C_UDSI_DIFF(c,t,0)*C_UDSI_G(c,t,0)[0];
C_UDMI(c,t,1)=-1*C_UDSI_DIFF(c,t,0)*C_UDSI_G(c,t,0)[1];
C_UDMI(c,t,2)=-1*C_UDSI_DIFF(c,t,0)*C_UDSI_G(c,t,0)[2];
}
end_c_loop(c,t)
}
}

howeve,the contour dispaly the udm0,1,2=0.and i also use the solve/set/expert .
Can anyone help me ?
thanks.

[A CFD free user]

Hey
Actually, I don't know the answer for your question, just it seems that you are working on fuel cell. if yes, I would like to ask you a question. Is it possible to define current density instead of electrical potential using UDS? If so, are we allowed to use conductivity coefficient which appears in electric potential gradiant for current density gradiant too? I'll be waiting for your reply.
Thanks in advance

[mumu678]

I am not working on fuel cell.
I dont konw whether we can use current density
but it is more convenient to use electrical potential

[lbj007]

Originally Posted by A CFD free user

Hey
Actually, I don't know the answer for your question, just it seems that you are working on fuel cell. if yes, I would like to ask you a question. Is it possible to define current density instead of electrical potential using UDS? If so, are we allowed to use conductivity coefficient which appears in electric potential gradiant for current density gradiant too? I'll be waiting for your reply.
Thanks in advance

Hi,are you working on SOFC?