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Coupled attitude-vibration analysis of an E-sail using absolute nodal coordinate formulation

Coupled attitude-vibration analysis of an E-sail using absolute nodal coordinate formulation In this study, the effects of solar wind on an electric sail (E-sail) are modeled and analyzed using an absolute nodal coordinate formulation (ANCF). First, the thrust of the charged metal tether that makes up the E-sail was analyzed and a model was established. Numerical simulations of a single metal tether were performed. Then, an overall E-sail model was established using the connection matrix, and E-sails subjected to different angular velocities were compared. Simulation results of the ANCF model and a dumbbell model were compared at different angular velocities. The results confirm that with a relatively high angular velocity, the flexible metal chain can be approximately regarded as a rigid body. However, with a small angular velocity, the flexibility of the metal chain cannot be ignored. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Astrodynamics Springer Journals

Coupled attitude-vibration analysis of an E-sail using absolute nodal coordinate formulation

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Publisher
Springer Journals
Copyright
Copyright © Tsinghua University Press 2020
ISSN
2522-008X
eISSN
2522-0098
DOI
10.1007/s42064-020-0081-x
Publisher site
See Article on Publisher Site

Abstract

In this study, the effects of solar wind on an electric sail (E-sail) are modeled and analyzed using an absolute nodal coordinate formulation (ANCF). First, the thrust of the charged metal tether that makes up the E-sail was analyzed and a model was established. Numerical simulations of a single metal tether were performed. Then, an overall E-sail model was established using the connection matrix, and E-sails subjected to different angular velocities were compared. Simulation results of the ANCF model and a dumbbell model were compared at different angular velocities. The results confirm that with a relatively high angular velocity, the flexible metal chain can be approximately regarded as a rigid body. However, with a small angular velocity, the flexibility of the metal chain cannot be ignored.

Journal

AstrodynamicsSpringer Journals

Published: Sep 13, 2020

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