Implicit Euler is also used for smoothing meshes, as explained in the paper "Implicit Fairing of Meshes using Diffusion and Curvature Flow" at https://dl.acm.org/citation.cfm?doid=311535.311576
Implicit Euler is also used for smoothing meshes, as explained in the paper "Implicit Fairing of Meshes using Diffusion and Curvature Flow" at https://dl.acm.org/citation.cfm?doid=311535.311576