移动热源延伸法兰管接头环焊过程的热-力学分析

Q3 Engineering

International Journal of Vehicle Structures and Systems Pub Date : 2022-12-25 DOI:10.4273/ijvss.14.7.08

N. Sangeetha, R. Arishwaran, A. Shreeram, D. Kawinhirthik, T. Babin

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引用次数: 0

摘要

本文采用移动热源扩展模型，对ASME等级300的低碳钢管道法兰接头焊接区单道环焊过程中的瞬态热温度历史进行了预测。利用ANSYS ACT扩展模型对移动热源进行了模拟，预测了气体保护焊等焊接过程中焊接区域的温度分布。然后，针对焊接热载荷引起的残余应力，分析了接头上的热源，并对不同焊接参数下的热分布进行了比较，得出了减小应力的最佳焊接参数。对瞬态热过程和瞬态结构过程进行了分析，分别预测了温度分布和残余应力。

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Thermo-Mechanical Analysis of Girth Welding Process on Flange Pipe Joints using Moving Heat Source Extension

This paper forecasts the transient thermal temperature history during girth welding with a single pass over the welded area on pipe ASME class 300 flange joints of low carbon steel using the moving heat source extension model. Using ANSYS ACT extension for the model of the moving, heat source is simulated for the forecast of the distribution of temperature over the welded region during the welding process like gas metal arc welding. Then due to the residual stress induced by the thermal load of the welding, heat source on the joints is analysed and then comparison of the various heat distribution by changing welding parameters is analysed for optimal welding parameters to reduce the stress. The analysis was carried out on transient thermal and transient structural processes to predict the temperature distribution and residual stress respectively.

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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.