@techreport{TechReport_2026_LANL_LA-UR-26-27246Rev.1_Armstrong, address = {Los Alamos, NM, USA}, author = {Armstrong, Jerawan Chudoung}, doi = {10.2172/3874859}, institution = {Los Alamos National Laboratory}, month = {September}, number = {LA-UR-26-27246, Rev.~1}, title = {{Two Recent Enhancements to MCNP Unstructured Mesh}}, type = {Presentation}, url = {https://www.osti.gov/biblio/3874859}, year = {2026} }