FEA-Based Vibration Analysis of Cubesat Battery Structures

This paper presents a finite element analysis (FEA) of the structural behavior of the battery pack of a 1U CubeSat nanosatellite developed at Senai Cimatec, with a focus on battery fixation. The static analysis reveals that the structure remains within stress limits during assembly and launch. Modal analysis identifies critical natural frequencies and vibration modes, highlighting the need for structural reinforcement to mitigate resonance effects. Random vibration analysis demonstrates that the battery pack components can withstand the expected random vibrational loads during launch. It is recommended to implement additional docking mechanisms or support structures to enhance the structural robustness of the CubeSat.