Delapierre, M. and Pellegrino, S. (2016) Membrane Spin Up in a Normal Gravity Field: Experiments and Simulations. In: 3rd AIAA Spacecraft Structures Conference. AIAA , Reston, VA, Art. No. 2016-1216. ISBN 978-1-62410-394-0. https://resolver.caltech.edu/CaltechAUTHORS:20160930-131912958
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Abstract
Finite element simulations and experimental observations of the spin up in vacuum of a thin membrane loaded by gravity are presented. The numerical techniques take into account the run time of each simulation and energy convergence; it is shown that accurate results can be obtained quite quickly in a rotating reference frame, and that including stiffness-proportional material damping helps convergence of the integration. It is also found that a very fine finite element mesh around the hub of the membrane is required to obtain consistent results. The experimental setup allows spinning of the membrane in a vacuum box; a measurement technique that uses stereo Digital Image Correlation is presented. A comparison between experiments and simulations using characteristic parameters of the shape of a membrane, i.e. the number of rotational symmetric waves, the average deflection, and the elastic bending strain energy of the membrane, shows good agreement between experiments and simulations.
Item Type: | Book Section | |||||||||
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Contact Email Address: | kjackson@caltech.edu | |||||||||
Additional Information: | © 2016 AIAA. We thank Professor Sigrid Leyendecker and Tristan Schlogl for helpful discussions and advice. Financial support from the Northrop Grumman Corporation is gratefully acknowledged. | |||||||||
Group: | GALCIT, Space Solar Power Project | |||||||||
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DOI: | 10.2514/6.2016-1216 | |||||||||
Record Number: | CaltechAUTHORS:20160930-131912958 | |||||||||
Persistent URL: | https://resolver.caltech.edu/CaltechAUTHORS:20160930-131912958 | |||||||||
Official Citation: | Melanie Delapierre and Sergio Pellegrino. "Membrane Spin-Up in a Normal Gravity Field: Experiments and Simulations", 3rd AIAA Spacecraft Structures Conference, AIAA SciTech, (AIAA 2016-1216) http://dx.doi.org/10.2514/6.2016-1216 | |||||||||
Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | |||||||||
ID Code: | 70700 | |||||||||
Collection: | CaltechAUTHORS | |||||||||
Deposited By: | SWORD User | |||||||||
Deposited On: | 03 Oct 2016 19:18 | |||||||||
Last Modified: | 11 Nov 2021 04:33 |
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