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Numerical Method for Hydrodynamic Coefficients of an Amphibious Vehicle Based on CFD
Author(s): HUANG Jin, YU Zhi-yi, LIU Chao-xun, PEI Ming-lei
Pages: 39-
43
Year: 2014
Issue:
2
Journal: Vehicle & Power Technology
Keyword: 两栖车辆; 水动力导数; 计算流体力学; 操纵性; 数值模拟;
Abstract: 通过采用标准k-ω模型,结合动网格技术,使用CFD (Computational Fluid Dynamics)技术模拟两栖车辆的PMM (Planar Motion Mechanism)实验,拓展了针对两栖车辆的水动力导数的数值计算方法.研究中,对比直航试验以验证计算的有效性,并分析提取数值数据,实现了水动力导数的求取.将计算所得水动力导数与船舶经验公式值对比,分析了两栖车辆与船舶的差异对水动力导数造成的影响.
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