自卸车底盘框架复合材料与低碳钢模态分析与比较

Q3 Engineering

International Journal of Vehicle Structures and Systems Pub Date : 2023-07-12 DOI:10.4273/ijvss.15.2.20

A. S. Mohammed, N. Babu, P. Sivaprakasam, J. Udayaprakash

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引用次数: 0

摘要

本文采用有限元法对复合材料(碳/环氧树脂和e -玻璃/环氧树脂)和低碳钢制造的汽车底盘框架进行了模态分析和比较。车辆的所有规格均取自埃塞俄比亚Bishoftu汽车工业。碳/环氧树脂和e -玻璃/环氧树脂的减重效果分别为79.48%和66.67%。模态分析表明，碳/环氧树脂、e -玻璃/环氧树脂和低碳钢的前6个固有频率范围分别为56.8 ~ 134.8Hz、27.22 ~ 64.59Hz和31.97 ~ 75.88Hz。碳/环氧树脂的前两个固有频率和e -玻璃环氧树脂和低碳钢的全固有频率都在发动机激励范围内。主要的扰动来自于0 ~ 100hz范围内的路面激励，它甚至大于发动机的激励。碳/环氧树脂是最好的候选者，与钢和e -玻璃环氧树脂底盘框架相比，它的一些固有频率高于发动机和道路激励。

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Modal Analysis and Comparison of Composite Materials and Mild Steel for Dump Truck Chassis Frame

This paper elaborates on the modal analysis and comparison of truck chassis frames made of composite materials (Carbon/Epoxy and E-glass/epoxy) and mild steel using the finite element method (FEM). All the specifications of the vehicle were taken from Bishoftu Automotive Industry, Ethiopia. Weight reduction has been achieved by 79.48% and 66.67% for carbon/epoxy and E-glass/epoxy respectively. The modal analysis shows that the first six natural frequencies of carbon/epoxy, E-glass/epoxy and mild steel are in the ranges from 56.8Hz to 134.8Hz, 27.22Hz to 64.59Hz and 31.97Hz to 75.88Hz respectively. The first two natural frequencies for carbon/epoxy and all-natural frequencies for E-glass epoxy and mild steel are in the engine excitation range. The main disturbance is due to the road excitation which ranges from 0 to 100 Hz, which is even greater than the engine excitation. Carbon/epoxy is the best candidate that some of its natural frequencies are above the engine and road excitations as compared to steel and E-glass epoxy chassis frames.

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来源期刊

International Journal of Vehicle Structures and Systems Engineering-Mechanical Engineering

CiteScore

0.90

自引率

0.00%

发文量

期刊介绍： The International Journal of Vehicle Structures and Systems (IJVSS) is a quarterly journal and is published by MechAero Foundation for Technical Research and Education Excellence (MAFTREE), based in Chennai, India. MAFTREE is engaged in promoting the advancement of technical research and education in the field of mechanical, aerospace, automotive and its related branches of engineering, science, and technology. IJVSS disseminates high quality original research and review papers, case studies, technical notes and book reviews. All published papers in this journal will have undergone rigorous peer review. IJVSS was founded in 2009. IJVSS is available in Print (ISSN 0975-3060) and Online (ISSN 0975-3540) versions. The prime focus of the IJVSS is given to the subjects of modelling, analysis, design, simulation, optimization and testing of structures and systems of the following: 1. Automotive vehicle including scooter, auto, car, motor sport and racing vehicles, 2. Truck, trailer and heavy vehicles for road transport, 3. Rail, bus, tram, emerging transit and hybrid vehicle, 4. Terrain vehicle, armoured vehicle, construction vehicle and Unmanned Ground Vehicle, 5. Aircraft, launch vehicle, missile, airship, spacecraft, space exploration vehicle, 6. Unmanned Aerial Vehicle, Micro Aerial Vehicle, 7. Marine vehicle, ship and yachts and under water vehicles.