https://toranniroula.com.np/writing.html Technical notes and reflective writing by Toran Bahadur Niroula. en Thu, 09 Jul 2026 00:00:00 GMT https://toranniroula.com.np/writing/post.html?slug=propeller-wing-ami-setup https://toranniroula.com.np/writing/post.html?slug=propeller-wing-ami-setup Thu, 09 Jul 2026 00:00:00 GMT A full walkthrough of building a physically consistent propeller-wing simulation with the Arbitrary Mesh Interface: meshing, MRF, dynamic mesh setup, boundary conditions, solver controls, and force extraction, dictionary by dictionary. https://toranniroula.com.np/writing/post.html?slug=overset-meshing-explained https://toranniroula.com.np/writing/post.html?slug=overset-meshing-explained Thu, 14 May 2026 00:00:00 GMT Why you'd bother with two overlapping meshes instead of one, and what actually happens at the boundary between them.