This article investigates the use of wood (Magnolia obovata) as an effective electromagnetic interference (EMI) shielding material for space applications. A geometrical model was designed in High Frequency Structure Simulator (HFSS) software tool that could perform three dimensional full-wave electromagnetic structure analysis based on Finite Element Method (FEM). The present work demonstrates the shielding effectiveness (SE) of wood in a 1U CubeSat structure. The shielding mechanisms and effectiveness of wood will be evaluated across relevant frequencies.

This study is part of the Philippines-Japan Workshop on Wireless, Radio, and Antenna Technologies (PJWWRAT) on 22-23 September 2025 at the EEE Institute, University of the Philippines Diliman in Quezon City.

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