Luthfiantoro, N. N., & Fikri, A. A. . (2026). Mechanical Homogenization of Biochar Porous Structures Using Two-Dimensional RVE: A Study of Finite Element Methods on the Relationship of Actual Porosity and Effective Elastic Modulus. Journal of Energy, Material, and Instrumentation Technology, 7(1), 54–64. https://doi.org/10.23960/jemit.453