Solving energy equation in solid alone
 

Hi

Could you please share your experience in solving energy equation in solid alone. I get the following message whenever I run the simulation for solid part alone.

temperature limited to 1.000000e+00 in 239518 cells

Also, when I issue the following command (I found it from somewhere)

"(rpsetvar 'temperature/secondary-gradient? #f)" it takes care of the above problem.

I just want to know what that command does.

Thanks