Scholarlink

<p>A three-dimensional CFD simulation is performed and a 3-DOF algorithm is developed to model the horizontal plane motion maneuvering of an extra-large unmanned underwater vehicle (XLUUV). The purpose of this study is to estimate the hydrodynamic forces, coefficients, and maneuverability of the vehicle to efficiently aid the design process. The flow simulations are performed at various velocities (2, 3, 4, 8 knots) and angles of attack (<i>α</i> = 0°, 10°, 20°, 30°), yielding maximum drag and lift forces of 24.6&#xa0;kN and 40.1&#xa0;kN, respectively. A 15/15 zigzag maneuvering test and pullout test are performed to evaluate the dynamic stability and control performance of the XLUUV using the 3-DOF algorithm for both dry and submerged states. The study further quantifies the change in the vehicle’s properties between the dry and the submerged states. Results indicate that the submerged condition causes a 1.43&#xa0;m forward shift in the center of mass. However, the vehicle demonstrates high design robustness, with the turning-circle diameter increasing by only 2.5% (from 45.25&#xa0;m to 46.41&#xa0;m) in the flooded state.</p>

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Modeling of maneuvering motion of an extra-large unmanned underwater vehicle

  • 期刊论文

  • 发表日期：

    2026年3月2日

查看全文
  • Sourabh Khambra,
  • Bittagopal Mondal,
  • Swagata Gupta,
  • Dipankar Chatterjee,
  • R. V. Sashank Sankar,
  • Amit Ray,
  • Sambhunath Nandy

摘要

A three-dimensional CFD simulation is performed and a 3-DOF algorithm is developed to model the horizontal plane motion maneuvering of an extra-large unmanned underwater vehicle (XLUUV). The purpose of this study is to estimate the hydrodynamic forces, coefficients, and maneuverability of the vehicle to efficiently aid the design process. The flow simulations are performed at various velocities (2, 3, 4, 8 knots) and angles of attack (α = 0°, 10°, 20°, 30°), yielding maximum drag and lift forces of 24.6 kN and 40.1 kN, respectively. A 15/15 zigzag maneuvering test and pullout test are performed to evaluate the dynamic stability and control performance of the XLUUV using the 3-DOF algorithm for both dry and submerged states. The study further quantifies the change in the vehicle’s properties between the dry and the submerged states. Results indicate that the submerged condition causes a 1.43 m forward shift in the center of mass. However, the vehicle demonstrates high design robustness, with the turning-circle diameter increasing by only 2.5% (from 45.25 m to 46.41 m) in the flooded state.