本文介绍有限元仿真技术，并对船舶轴承的材料模型理论进行阐述，同时给出船舶轴承本构模型的应力应变曲线；对船舶轴承进行动力学仿真分析，并在仿真过程中利用吸工装置代替螺旋桨，给出螺旋桨扭矩激励的计算方法，并对船舶轴承的角加速度、角速度以及径向受力情况进行分析；最后对船舶轴承承载进行有限元仿真，并对船舶轴承的振幅、频率以及受力情况进行仿真分析。
This article studies finite element simulation technology, focuses on analyzing finite element calculation theory, and elaborates on the material model theory of ship bearings. At the same time, the stress-strain curve of the constitutive model of ship bearings is provided; A dynamic simulation analysis was conducted on ship bearings, and a suction device was used instead of a propeller during the simulation process. A calculation method for propeller torque excitation was provided, and the angular acceleration, angular velocity, and radial force of ship bearings were analyzed; Finally, finite element simulation was conducted on the bearing capacity of ship bearings, and simulation analysis was conducted on the amplitude, frequency, and force situation of ship bearings.
2024,46(12): 73-76 收稿日期：2023-12-08
DOI：10.3404/j.issn.1672-7649.2024.12.013
分类号：U664.22
基金项目：河北省教育厅科学研究项目（BJK2024026）
作者简介：刘栋(1989-),男,硕士,讲师,研究方向为机械故障诊断及机械物联网
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