Abstract:One of the important problems to be solved in welding engineering is to develop a mathematical method for the determination of optimum process parameters. In order to estimate the optimal process parameters in circumferential gas tungsten arc (GTA) welding of thin pipes, an objective was chosen to maintain a uniform bead width over the full circumferential joint, while the constraints consist of the capacity limit of the welding power source and equipment used. A transient three-dimensional finite difference … Show more
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