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Hydrodynamic Analysis and Optimization of Amphibious Ice-breaking Vehicle Based on CFD Simulation Model

机译:基于CFD仿真模型的两栖破冰车水动力分析与优化

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The hydrodynamic characteristics have been emphasis of the amphibious vehicle research. This paper analyzes the structure and shape parameters of the amphibious ice-breaking vehicle under operating conditions. In an aim to study the performance of the amphibious ice-breaking vehicle, hydrodynamic model coupling 6-dof rigid motion and free surface of water are adopted to simulate the variables investigated including appearance angles, sailing velocity, sailing resistance and sailing posture acting on the amphibious ice-breaking vehicle based on the Computational Fluid Dynamics (CFDs) method. It is demonstrated that The amphibious ice-breaking vehicle would have the best hydrodynamic characteristics when its appearance angles are with , , , and . And the vehicle has the least resistance when the over cutting angle is 60°and the side cutting angle is 30°. And the resistance is the least when the bellow cutting angle of the head and rear are 30°
机译:流体动力学特性已经成为两栖车辆研究的重点。本文分析了两栖破冰车在运行条件下的结构和形状参数。为了研究两栖破冰车的性能,采用了6 dof刚性运动和水自由表面耦合的流体动力学模型来模拟所研究的变量,包括作用在船上的外观角度,航行速度,航行阻力和航行姿态。基于计算流体动力学(CFD)方法的两栖破冰车。结果表明,当两栖破冰车的出现角度分别为,,和时,将具有最佳的水动力特性。当过切削角度为60°,侧面切削角度为30°时,车辆的阻力最小。前后波纹管切割角度为30°时阻力最小

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