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Publications
Hashemzadeh, M., Chen, B.Q. and Guedes Soares, C. (2014), “Comparison between Different Heat Source Types in Thin-Plate Welding Simulation”, Developments in Maritime Transportation and Exploitation of Sea Resources, Guedes Soares, C. and López Peña F. (Eds.). Francis & Taylor Group, London, UK, pp. 329-336
Welding nowadays is one of the economical and more reliable ways to assemble and construct structures. By localized heating and rapid cooling in welding process, welding residual stress and distortion occur in welded structures. Estimating the magnitude and distribution of welding residual stress and distortion is done by means of finite element tools. Choosing the more reliable kind of heat input is important in FE modeling.
In this study, three different kinds of heat input, Gaussian, semi ellipsoidal and double ellipsoidal were investigated in stainless steel thin plate and verified by experimental measurements. It reveals that all the heat source have similar results in temperature distribution but semi ellipsoidal and double ellipsoidal sources have more reliable results in structural response.
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