基于ANSYS Workbench的四缸发动机曲轴有限元分析

Finite Element Analysis of Four-Cylinder Engine Crankshaft Based on ANSYS Workbench

摘要: 汽车发动机是汽车的心脏，而发动机曲轴是汽车发动机中最核心的部件，其结构的性能直接决定了发动机的性能，基于此本文将使用ANSYS Workbench对四缸发动曲轴模型进行CAE仿真分析，对曲轴进行静力学分析和模态分析，确保在不同工况受力下，整个曲轴的等效应力小于曲轴材料的许用应力，同时确保其变形也在合理的范围内，此外也验证曲轴的动态特性满足发动机的要求。

Abstract: The automobile engine is the heart of the automobile, and the engine crankshaft is the most core component of the automobile engine, and the performance of its structure directly determines the performance of the engine. Based on this, this paper will use ANSYS Workbench to carry out CAE simulation analysis on the four-cylinder crankshaft model, and carry out static analysis and modal analysis on the crankshaft to ensure that under different working conditions, the crankshaft can be successfully executed, the equivalent stress of the entire crankshaft is less than the allowable stress of the crankshaft material, while ensuring that its deformation is also within a reasonable range, and also verifying that the dynamic characteristics of the crankshaft meet the requirements of the engine.