Volume 32 Issue 09
Sep.  2006
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Zhang Xiangqiang, Gu Yidong, Jiang Luhuaet al. Time-domain response analysis of a tethered aerostat[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(09): 1015-1018. (in Chinese)
Citation: Zhang Xiangqiang, Gu Yidong, Jiang Luhuaet al. Time-domain response analysis of a tethered aerostat[J]. Journal of Beijing University of Aeronautics and Astronautics, 2006, 32(09): 1015-1018. (in Chinese)

Time-domain response analysis of a tethered aerostat

  • Received Date: 30 Nov 2005
  • Publish Date: 30 Sep 2006
  • To stability analysis of the tethered balloon, a three dimensional nonlinear mathematical model of tethered aerostat was assembled. The tether was modeled using finite difference approximation. The balloon was modeled using rigid-body dynamic model including the static derivative, dynamic derivative and added mass. The coupling equation was assembled with the boundary condition of attached node and the initial condition of static. The time-domain response analysis was given by solving the nonlinear partial differential equations directly. The longitudinal and lateral stability was investigated by inputting step wind. The response curves of time domain also were output. The success of solving the nonlinear proved that the mathematical model is feasible.

     

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