Author(s)

T. Iwata & K. Matsuoka

Abstract

Quantification of shrinkage deformation on line-heating T. Iwata, K. Matsuoka National Maritime Research Institute, Japan. Abstract The bending processing of a ship Hull is carried out by Line-Heating using gas heating generally. This Line-Heating technique is based on the experience and the feeling of the skilled workers. This tacit knowledge is difficult to hand down and educate the skill to the new workers efficiently. Therefore, the quantification of this Line-Heating technique is expected to make learning the skill easy. Moreover, the quantification analysis of Line-Heating is indispensable for the systemizing and computerizing of ship building processing to increase further productivity. Therefore, much research about the quantification analysis of Line-Heating was carried out in the nineteen-nineties. However, the accuracy of the deformation estimation is insufficient because the past research was focused only on angular distortion. On Line-Heating, not only angular distortion but also s

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