Journal of the Society of Naval Architects of Korea (대한조선학회논문집)

The Society of Naval Architects of Korea (대한조선학회)
권호 표지
DOI QR코드

DOI QR Code

Simulation of Plate Deformation due to Triangle Heating Using Inherent Strain Method

고유변형도법을 이용한 삼각가열에 의한 판 변형의 시뮬레이션

  • Jang, Chang-Doo (Dept. of Naval Architecture & Ocean Engineering, Seoul National University) ;
  • Ko, Dae-Eun (Dept. of Naval Architecture & Ocean Engineering, Dong-Eui University) ;
  • Ha, Yun-Sok (Welding Research Part, Samsung Heavy Industries, Co., Ltd.)
  • 장창두 (서울대학교 조선해양공학과) ;
  • 고대은 (동의대학교 조선해양공학과) ;
  • 하윤석 (삼성중공업(주) 산업기술연구소 용접연구파트)
  • Published : 2008.12.31
Download PDF
⟨ Previous Next ⟩

Abstract

In the shipyard, line heating and triangle heating are two major processes for forming curved plates in various shapes. While there have been many studies on line heating, triangle heating has been rarely studied due to its complicated heating process with irregular multi-heating paths and highly concentrated heat input. As the triangle heating process is one of the most labor-consuming jobs in shipyards, it is essential to study the automation as well as improvement of triangle heating process in order to increase hull forming productivity. In this study, a pioneering attempt to simulate triangle heating was made. A circular disk-spring model was proposed for elasto-plastic analysis procedure of triangle heating and the inherent strain method was also used to analyze the deformation of plates. Simulation results were compared with those of experiments and showed good agreement. It is shown that the present approach including analysis model used in this study is effective to simulate the triangle heating for plate forming process in shipbuilding.

Keywords

References

  1. Jang, C.D., Ko, D.E., Kim, B.I. and Park, J.U., 2001a, " An Experimental Study of Charactecistics of Plate Deformation by Heating Process," Journal of the Society of Naval Architects of Korea, Vol. 38, No. 2, pp. 62-70
  2. Jang, C.D., Ko, D.E., Moon, S.C. and Seo, Y.R., 2001b, " Simulation of Plate Deformation by Triangle Heating Process," Journal of the Society of Naval Architects of Korea, Vol. 38, No. 4, pp. 66-74
  3. Ko, D.E., 1998, A Study on the Prediction of Deformations of Plates due to Line Heating using a Thermal Elasto-Plastic Analysis Model, Ph.D. Dissertation, Seoul National University, Korea
  4. Ko, D.E., Jang, C.D., Seo, S.I. and Lee, H.W., 1999, " Realtime Simulation of Deformation due to Line Heating for Automatic Hull Forming System," Journal of the Society of Naval Architects of Korea, Vol. 36, No. 4, pp. 116-127
  5. Nomoto, T., Takechi, S., Shouki, K., Aoyama, K., Enosawa, M. and Saitoh, M., 1991, " Development of Simulator for Plate by Line Heating Considering In-Plane Shrinkage," Journal of the Society of Naval Architects of Japan, Vol. 170
  6. Ueda, Y., Murakawa, H., Mohamaed, R. A., Neki, I., Kamachika, R., Ishiyama, M. and Ogawa, J., 1991, " Development of Computer Aided Process Planning System for Plane Bending by Line Heating($1^{st}$ Report), Relation Between Final Form of the Plate and Inherent Strain," Journal of the Society of Naval Architects of Japan, Vol. 170

Cited by

  1. Counter-deforming Method for a Bracket Design of a Ship Via Geometric Shape Deformation vol.18, pp.5, 2013, https://doi.org/10.7315/CADCAM.2013.321
  2. Counter-deformed design of ship structural parts using geometric shape deformation based on welding distortion estimation vol.20, pp.3, 2015, https://doi.org/10.1007/s00773-014-0296-8