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Finite Element-Based Structural Integrity Assessment of a Payload Chassis: A Material Trade-Off Study for PSLV Launch Conditions
Дата публикации: 12-04-2026 22:00:00
Publication date: 13 April 2026
Source: Applied Mechanics and Materials Vol. 935
Author(s): Niketan Pawar, Nikhil Navle, Aditee Joshi, Damayanti Gharpure, Subra Ananthakrishnan
This paper presents a comprehensive structural, modal, and random vibration analysis of the SEAMS Payload using ANSYS 18.1 simulation tools. As a preliminary design-phase study, its goal is to perform a trade-off analysis between common aerospace materials before physical prototyping and validation. The study evaluates three aluminum alloys—5052- H32, 6061-T6, and 7075-T6—to optimize the payload frame structure for mechanical stresses encountered during launch and space operations. The analysis includes static structural loading to assess deformation and stress distribution, vibrational modal analysis to determine natural frequencies and mode shapes, and random vibration analysis to simulate launch-induced dynamic excitation. The simulation outcomes highlight the critical role of material selection in enhancing structural integrity, maximizing safety margins, and ensuring mechanical reliability of the payload in harsh launch environments.
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This paper presents a comprehensive structural, modal, and random vibration analysis of the SEAMS Payload using ANSYS 18.1 simulation tools. As a preliminary design-phase study, its goal is to perform a trade-off analysis between common aerospace materials before physical prototyping and validation. The study evaluates three aluminum alloys—5052- H32, 6061-T6, and 7075-T6—to optimize the payload frame structure for mechanical stresses encountered during launch and space operations. The analysis includes static structural loading to assess deformation and stress distribution, vibrational modal analysis to determine natural frequencies and mode shapes, and random vibration analysis to simulate launch-induced dynamic excitation. The simulation outcomes highlight the critical role of material selection in enhancing structural integrity, maximizing safety margins, and ensuring mechanical reliability of the payload in harsh launch environments.
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DOI: 10.1155/2014/740102
[3] Hyun-Ung Oh, Su-Hyeon Jeon, and Seong-Cheol Kwon, "Structural Design and Analysis of 1U Standardized STEP Cube Lab for On-Orbit Verification of Fundamental Space Technologies," International Journal of Materials, Mechanics and Manufacturing, 2014.
[4] Valerity Shepenkov, "Vibration Modal Analysis of a Deployable Boom Integrated to a CubeSat," School of Engineering Sciences, Department of Mechanics, KTH Royal Institute of Technology, 2013.
[5] Al-Maliky F. T., AlBermani M. J., 2018, Structural Analysis of KufaSat using ANSYS, Artificial Satellites Journal.
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