SITUMORANG, Andre Ronaldo; TULUS. Numerical Simulation of Effective Viscosity Distribution of Power-Law Engine Oil in Piston–Cylinder Lubrication Under High Shear Conditions. Journal of Research in Mathematics Trends and Technology, [S. l.], v. 8, n. 1, 2026. DOI: 10.32734/jormtt.v8i1.24922. Disponível em: https://talenta.usu.ac.id/jormtt/article/view/24922. Acesso em: 15 jun. 2026.