Volume 39 Issue 9
Sep.  2013
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Ye Chuan, Ma Dongli. Dynamic modeling and stability analysis for underwater craft with wing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1137-1143. (in Chinese)
Citation: Ye Chuan, Ma Dongli. Dynamic modeling and stability analysis for underwater craft with wing[J]. Journal of Beijing University of Aeronautics and Astronautics, 2013, 39(9): 1137-1143. (in Chinese)

Dynamic modeling and stability analysis for underwater craft with wing

  • Received Date: 27 Sep 2012
  • Publish Date: 30 Sep 2013
  • The underwater craft with wing has a large lifting surface. The rolling movement is one of its basic maneuver models. The dynamic derivatives of an underwater craft with wing were studied using the computational fluid dynamics(CFD) method. The result shows that the viscous force and the interference of the wing on the body and the tail are important for the acceleration derivatives in the heave, roll, and pitch directions. The acceleration derivatives could not be simplified as additional mass coefficients. The dynamic and kinematics equations were linearized using the small disturbance hypothesis. The equations were divided into longitude and lateral-directional equations. The dynamic stability of an underwater craft was studied by calculating the modes of the small disturbance equations. The dynamic model and stability analysis method could be used for dynamic stability analysis and motion control system design for the underwater craft with wing.

     

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