Technical notes from Vis Numerica on meshing, convergence, validation and reading simulation results.https://visnumerica.com/en© 2026 Vis NumericaWed, 15 Jul 2026 00:00:00 GMThttps://visnumerica.com/en/blog/calibrating-dem-with-site-material/https://visnumerica.com/en/blog/calibrating-dem-with-site-material/Which bench tests constrain each contact parameter, the order they are fitted in, and why a calibration only holds inside the envelope it was tested on.Wed, 15 Jul 2026 00:00:00 GMTparticlehttps://visnumerica.com/en/blog/why-rainbow-lies/https://visnumerica.com/en/blog/why-rainbow-lies/Jet's non-monotonic lightness manufactures false bands and flattens the middle of the range. What viridis and cividis fix, and how we fix the scale.Wed, 06 May 2026 00:00:00 GMTflowhttps://visnumerica.com/en/blog/mesh-sensitivity/https://visnumerica.com/en/blog/mesh-sensitivity/What a mesh sensitivity study is, how we document it with GCI, and what y+ actually means when you decide where the first cell goes.Wed, 11 Mar 2026 00:00:00 GMTgeneral