Abstract
Modal testing of an extremely flexible self-rigidizing inflatable torus with regular pattern of hexagonal domes was carried out. For the first time the feasibility of using a non-contact in-house fabricated electromagnetic excitation in modal testing of such an ultra-flexible inflatable structure was investigated. Non-contact transducers, laser displacement sensors, were used in this study. Non-contact excitation and measurement technique were used to avoid frequency shift problems due to inertial loading on the structure. Within the frequency bandwidth of 1-25 Hz, four in-plane and four out of plane modes’ damped natural frequencies were extracted and compared with prior studies.
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Pazhooh, M.D., Dokainish, M.A., Ziada, S. (2011). Experimental Modal Analysis of an Inflatable, Selfrigidizing Toroidal Satellite Component. In: Proulx, T. (eds) Experimental and Applied Mechanics, Volume 6. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, New York, NY. https://doi.org/10.1007/978-1-4614-0222-0_23
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DOI: https://doi.org/10.1007/978-1-4614-0222-0_23
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