汽车零部件非均匀受热元件应力-应变状态模拟

O. Hrevtsev, N. Selivanova, P. Popovych, L. Poberezhny, Vladimir Brych, Y. Rudyak, O. Shevchuk, N. Bakulina, R. Rozum, M. Buriak
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引用次数: 0

摘要

开发一种确定和评估应力-应变状态的方法,特别是车辆单个旋转部件材料中的热机械应力分布。该方法基于在盘体的曲线极限面上满足边界条件时解的逐步逼近原理。所提出的确定和估计圆盘材料中热机械应力分布的方法可以考虑到圆盘中心部分的可变几何形状:厚度和孔的存在,也可以正确地确定不均匀加热旋转轴体任何点的应力-应变状态。这项工作使用了普遍接受的热力学计算的假设和限制。证明了在真实的圆盘中,应力-应变状态是空间的,而基于平面应力状态假设的已知方法不能提供计算圆盘厚度应力值的可能性。所得结果可用于改进道路交通事故的汽车技术检验方法。此外,在繁忙的交通中,城市路线上的公交车司机以及汽车制动系统的设计工程师在选择安全距离时也可以考虑到这些因素。
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Stress-strain state simulation of non-uniformly heated elements of components and assemblies of automotive
Develop a method for determining and evaluating the stress-strain state, particularly the distribution of thermomechanical stresses in the materials of individual rotating parts of vehicles.The proposed method is based on the principle of gradual approximations of the solution when the boundary conditions are satisfied on the curvilinear limiting surfaces of the disk body.The proposed method of determining and estimating the distribution of thermomechanical stresses in the disk material makes it possible to take into account the variable geometry: thickness and presence of a hole in the central part of the disk, also correctly determine stress-strain state at any point of unevenly heated rotating axial body.The work uses generally accepted assumptions and limitations for thermomechanical calculations.It is proved that in real disks, the stress-strain state is spatial, and the well - known method based on the hypotheses of the plane-stress state does not provide the possibility of calculating the values of stresses in the thickness of the disk. The obtained results can be used to improve the methodology of auto technical examination of road accidents. In addition, they can be taken into account by bus drivers on urban routes when choosing a safe distance in heavy traffic, as well as design engineers of car brake systems.
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来源期刊
Journal of Achievements in Materials and Manufacturing Engineering
Journal of Achievements in Materials and Manufacturing Engineering Engineering-Industrial and Manufacturing Engineering
CiteScore
2.10
自引率
0.00%
发文量
15
期刊介绍: The Journal of Achievements in Materials and Manufacturing Engineering has been published by the Association for Computational Materials Science and Surface Engineering in collaboration with the World Academy of Materials and Manufacturing Engineering WAMME and the Section Metallic Materials of the Committee of Materials Science of the Polish Academy of Sciences as a monthly. It has 12 points which was received during the evaluation by the Ministry of Science and Higher Education journals and ICV 2017:100 on the ICI Journals Master list announced by the Index Copernicus. It is a continuation of "Proceedings on Achievements in Mechanical and Materials Engineering" published in 1992-2005. Scope: Materials[...] Properties[...] Methodology of Research[...] Analysis and Modelling[...] Manufacturing and Processingv Biomedical and Dental Engineering and Materials[...] Cleaner Production[...] Industrial Mangement and Organisation [...] Education and Research Trends[...]
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