Diffusion in solids in the COMSOL 6.4 documentation
= Diffusion in solids in the COMSOL 6.4 documentation
{c}
https://doc.comsol.com/6.4/doc/com.comsol.help.cfd/cfd_ug_chemsptrans.11.012.html
Official Solid node, Diffusion section: scalar isotropic diffusivity versus a tensor for anisotropic diffusion, with diagonal or symmetric input; frame conventions are explicit. COMSOL6.4. Institutional technical documentation.