Recent content by njm

Thanks you so much for your help.

Now I have this error: zero lattice element hit. what is it?! How can I solved it?!

oh yes! thank you very much

Hi I have problems in mcnp input of voxels. I define a voxel arrays and their universes,for example universe1 is defined as: 2001 43 -1.030 -70 u=1 vol=6.795352 but in runing I have below error: fatal error.the surface type is not recognized: -1.03 While 1.03 is the density of...