Editorial: 20th International workshop on numerical methods in non-Newtonian flows Frigaard, Ian ; Graham, Michael D. ; López-Aguilar, J. Esteban ; Taghavi, Seyed M. ; Zhou, Lin Abstract Publication: Journal of Non-Newtonian Fluid Mechanics Pub Date: March 2023 DOI: 10.1016/j.jnnfm.2023.104998 Bibcode: 2023JNNFM.31304998F