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Jinho Song, Junhee Lee, Daewoon Kim, Won-Don Kim, Tae-Won Kang, Jeung-Youb Kim, Jong-Ho Nam, Kwanghee Ko
J Ship Prod Des 38 (03): 129–139.
Paper Number: SNAME-JSPD-04210012
Published: 31 August 2022
... companies in predicting the cycle-times required for ship fabrication. The input parameters are geometric information extracted from the target shape (curvedness, Gaussian curvature, width, and height of the hull plate), and the output parameter is the heating duration per unit area. The structure...
J Ship Prod Des 35 (04): 328–337.
Paper Number: SNAME-JSPD-2019-35-4-328
Published: 01 November 2019
... subcategorizable into line or triangle heating. The appropriate forming process is determined from the plate shape and surface classification, which must be determined in advance to establish a precise production plan. In this study, an algorithm to extract two-dimensional features of constant size from three...
J Ship Prod Des 35 (03): 289–296.
Paper Number: SNAME-JSPD-2019-35-3-289
Published: 01 August 2019
...Zhi-qiang Feng; Zi-quan Jiao; Shan-ben Chen; Jun-feng Han; Xiang-xi Han; Run-dang Yang; Cun-gen Liu In shipbuilding, forming plate by line heating is atypical complex manufacturing process involving many uncertain factors, so it is difficult to establish an accurate mathematical model. How...
J Ship Prod Des 34 (04): 279–309.
Paper Number: SNAME-JSPD-2018-34-4-279
Published: 01 November 2018
...Kurian Thomas; Rajiv Sharma; Subroto Kumar Bhattacharyya This paper presents a study on the line heating simulation process with an efficient "finite element analysis (FEA)" simulation model. The simulation model is conceived using concepts from three dimensional (3D) FEA of heat and mass transfer...
J Ship Prod Des 34 (03): 181–190.
Paper Number: SNAME-JSPD-2018-34-3-181
Published: 01 August 2018
...Jungseo Park; Daekyung Kim; Jonggye Shin; Kwanghee Ko In this paper, a novel method of computing heating information for triangle heating is proposed for improving the accuracy of forming in an automated thermal forming system. The current method of computing heating information through triangle...
J Ship Prod Des 34 (02): 155–167.
Paper Number: SNAME-JSPD-2018-34-2-155
Published: 01 May 2018
...Biplab Das; Pankaj Biswas Line heating is a technique for incorporating curved shape on a plate by suitable means of heating with the help of suitable heat source. In this present study, an overall literature review on plate forming by line heating is addressed. In the present study, more emphasis...
J Ship Prod Des 33 (02): 166–177.
Paper Number: SNAME-JSPD-2017-33-2-166
Published: 01 May 2017
...Xuebiao Zhang; Cheng Chen; Jiaqin Li; Yujun Liu In this article, the line heating forming technology by using the moveable induction heating is used to form a concave-type plate. In shipyard, it is necessary to get a bigger contraction deformation at the plate edge for the concave plate. However...
J Ship Prod Des 32 (03): 166–173.
Paper Number: SNAME-JSPD-2016-32-3-166
Published: 01 August 2016
... Society of Naval Architects and Marine Engineers text classification curvature fabrication process classification steel plate machine learning standard shape heating operation division resolution natural language fabrication process curved hull plate Gaussian curvature curved surface...
J Ship Prod Des 30 (03): 142–151.
Paper Number: SNAME-JSPD-2014-30-3-142
Published: 01 August 2014
...Bo Zhou; Xiaoshuang Han; Soon-Keat Tan; Zhong-chi Liu With increasingly competition in the world shipbuilding market, manual and experiential technique patterns of line heating process could not meet the requirements of modern shipbuilding in product speed and quality. In recent years...
J Ship Prod Des 28 (02): 73–81.
Paper Number: SNAME-JSPD-2012-28-2-73
Published: 01 May 2012
...Xue-biao Zhang; Yu-long Yang; Yu-jun Liu In shipyards, hull curved plate formation is an important stage with respect to productivity and accuracy control of curved plates. Because the power and its distribution of induction heat source are easier to control and reproduce, induction heating...
J Ship Prod Des 27 (03): 99–110.
Paper Number: SNAME-JSPD-2011-27-3-99
Published: 01 August 2011
...Xue-biao Zhang; Yu-jun Liu; Yu-long Yang; Zhuo-shang Ji; Yan-ping Deng This paper describes the study of hull plate forming by high-frequency induction heating. A finite element model of static large-scale heating is performed and verified by experiments. It can be proposed to be a powerful...
J Ship Prod Des 25 (04): 182–190.
Paper Number: SNAME-JSP-2009-25-4-182
Published: 01 November 2009
...Jackyou Noh; Jong Gye Shin; Kwang Hee Ko; Jae An Chun Automated line heating systems have been developed based on stand-alone operation with no consideration of the extensibility and maintainability. In the line heating shop, many of the line heating works are performed simultaneously; therefore...
J Ship Prod Des 24 (04): 177–179.
Paper Number: SNAME-JSP-2008-24-4-177
Published: 01 November 2008
... distortion preheat Welding experimentation weld centerline distortion reduction modeling heating parametric study finite element mesh Journal of Ship Production Reduction of Manufacturing Distortion in Arc Welded Ship Panels Using Thermal Tensioning Ruth Sanderson, Bill Lucas, and Roy Pocock TWI...
J Ship Prod Des 24 (01): 17–24.
Paper Number: SNAME-JSP-2008-24-1-17
Published: 01 February 2008
...JungSeo Park; JongGye Shin; YoungBum Kim; HoKyeong Kim; SungAm Cho; HyoKwan Leem; KwangHee Ko A ship hull is largely made of curved plates, and some of them are doubly curved ones that are not developable. They are formed by the line heating method that has been used for a long time in ship...
J Ship Prod Des 21 (02): 65–72.
Paper Number: SNAME-JSP-2005-21-2-65
Published: 01 May 2005
...Zhang Xuebiao; Ji Zhuoshang; Liu Yujun Ship-hull plate forming by line heating requires hard and skillful labor. Initially, the plate is curved in one direction by rolling. Then, the curved plate is transported to the line-heating workshop to obtain the required shrinkage. However, this two-step...
J Ship Prod Des 20 (02): 84–89.
Paper Number: SNAME-JSP-2004-20-2-84
Published: 01 May 2004
...Malabika Adak; N. R. Mandal Line-heating technique involves application of controlled thermal cycles. In developing the technique of line heating, which is nonlinear and involves plastic deformation of the medium at high temperature varying in both time and space, analytical solutions turned out...
J Ship Prod Des 19 (02): 76–83.
Paper Number: SNAME-JSP-2003-19-2-76
Published: 01 May 2003
...M. V. Deo; P. Michaleris Welding induces residual stresses in welded T-type stiffeners causing bowing (camber) distortion. Reducing the welding heat input or increasing the structural stiffness reduces or eliminates bowing distortion. However, where the structure geometry and weld size are fixed...
J Ship Prod Des 18 (04): 226–236.
Paper Number: SNAME-JSP-2002-18-4-226
Published: 01 November 2002
...Chang-Doo Jang; Ho-Kyung Kim; Yun-Sok Ha In this study, we developed an analysis method of plate forming by induction heating and verified the effectiveness of the present method through a series of experiments. The phenomena of induction heating is a 3-D transient problem coupled...
J Ship Prod Des 17 (02): 52–61.
Paper Number: SNAME-JSP-2001-17-2-52
Published: 01 May 2001
... the results of experiments and predicts techniques for the control of deformation in thin panels. The objective of this paper is to explain the use of the G(1,1) Grey method to predict deformation. Bending and buckling are usually the dominant modes of deformation in heat working. It follows angular...
J Ship Prod Des 16 (02): 121–132.
Paper Number: SNAME-JSP-2000-16-2-121
Published: 01 May 2000
...Morinobu Ishiyama; Yoshihiko Tango Ishikawajima-Harima Heavy Industries Co., Ltd. (IHI) has successfully employed the logic of the Finite Element Method on the principle of Thermal Forming or Line Heating, which facilitates use of computer aided, fully automated line heating machines for forming...
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