The effect of climber transit on the space elevator dynamics |
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| Authors: | Stephen S Cohen Arun K Misra |
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| Institution: | 1. McGill University, Department of Mechanical Engineering, Room 270, 817 Sherbrooke Street West, Montreal, QC, Canada H3A 0C3;2. CMLabs Simulations Inc., 645 Wellington, Room 301, Montreal, QC, Canada H3C 1T2;1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 29 Yudao Street, Nanjing 210016, Jiangsu, China;2. Department of Earth and Space Science and Engineering, York University, 4700 Keele Street, Toronto, Ontario M3J 1P3, Canada;1. School of Aerospace Engineering, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia;2. Department of Mechanical Engineering, University of Sheffield, S1 3JD Sheffield, United Kingdom;1. National Research University Higher School of Economics, Myasnitskaya 20, 101000 Moscow, Russia;2. Department of Mechanics, Dorodnicyn Computing center of the RAS, Vavilova 40, 119333 Moscow, Russia;3. C-MAST: Centre for Mechanical and Aerospace Science and Technologies, University of Beira Interior, Calcada Fonte do Lameiro, 6201-001 Covilha, Portugal;4. Department of Mechanics, Dorodnicyn Computing center of the RAS, Vavilova 40, 119333 Moscow, Russia;1. Student, Integrated Science and Technology, Shizuoka University, Hamamatsu, Shizuoka, Japan;2. Professor, Department of Engineering Shizuoka University, Hamamatsu, Shizuoka, Japan;3. Senior Engineer, Technical Research Institute, Obayashi Corporation, Minato-ku, Tokyo, Japan;4. Senior Engineer, Engineering Division Obayashi Corporation, Minato-ku, Tokyo, Japan |
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| Abstract: | The space elevator offers an alternate and efficient method for space travel. It will have two main components. The first component is the tether (or the ribbon), which extends from the Earth to an equatorial satellite at an altitude beyond the geostationary orbit, and is fixed to a base on the surface of the Earth at its lower end. The second component is the climber, which scales the ribbon, transporting payloads to space. An important issue for effective operation of the space elevator will be to understand its dynamics. This paper attempts to develop a realistic and yet simple planar model for this purpose. The basic response of the ribbon to climber transit is determined. Both analytical and numerical results are presented. Specific climbing procedures are devised based on these results so as to minimize the adverse effects of climber transit on the ribbon. |
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