Analysis and prediction of welding distortion in complex structures using elastic finite element method

Authors

  • Adán Vega Sáenz Miembro del Sistema Nacional de Investigación SNI (SENACYT). Laboratorio Especializado en Procesos de Union y Manufactura (LEPUM), School of Mechanical Engineering, Technological University of Panama. Panamá City, Panamá.
  • Carlos Plazaola Laboratorio Especializado en Procesos de Union y Manufactura (LEPUM), School of Mechanical Engineering, Technological University of Panama, 0819-07289, Panamá City, Panamá.
  • Ilka Banfield Laboratorio Especializado en Procesos de Union y Manufactura (LEPUM), School of Mechanical Engineering, Technological University of Panama, 0819-07289, Panamá City, Panamá.
  • Sherif Rashed Joining and Welding Research Institute, Osaka University, 11-1, Mihogaoka, Ibaraki, Osaka, Japan.
  • Hidekazu Murakawa Joining and Welding Research Institute, Osaka University, 11-1, Mihogaoka, Ibaraki, Osaka, Japan.

DOI:

https://doi.org/10.25043/19098642.67

Keywords:

complex ship structures, elastic analysis, finite element analysis, inherent strain, welding distortion

Abstract

The Elastic Finite Element Method based on the inherent strain theory is used to predict the welding distortion of ship structures. In addition, a method to predict welding distortion of complex structures by using elastic FEM is presented. To evaluate the effectiveness of the proposed method, a typical case of a ship's structure is examined and the resulting welding distortion is compared to that obtained by using thermal elastic-plastic finite element method.

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References

DENG, D. A.; MURAKAWA, H. AND LIANG, W. Comput. Methods Appl. Mech. Engrg. 196: 4613- 4627, 2007.

LIANG, W.; DENG, D. AND MURAKAWA, H. J. MATER. Process. Tech. 183: 219-255, 2007. Liang, W. et al., Transactions of JWRI. 33(1): 45-51, 2004.

LIU, C AND ZHANG, X. Sci. Technol. Weld. Join. 2009, 14 (1), 26-31. Murakawa, H. Mater. Sci. Forum. 539-543: 181-186, 2007.

MURAKAWA, H; LIANG, W. AND DENG, D. Transactions of JWRI. 34(1). 113-123, 2005.

NISHIKAWA, H. et al., H. Proc. Int. Soc. Offshore Polar Eng. Conf. Toulon, France. May 2004, ISOPE, 126-132.

SERIZAWA, H.; NISHIKAWA, H. AND MURAKAWA; H. Sci. technol. Weld. Join. 1282): 147-152, 2007. Wahab, M. et al., 2006, 85 (22), 35 - 43.

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Published

2012-07-21

How to Cite

Vega Sáenz, A., Plazaola, C., Banfield, I., Rashed, S., & Murakawa, H. (2012). Analysis and prediction of welding distortion in complex structures using elastic finite element method. Ship Science & Technology, 6(11), 35–42. https://doi.org/10.25043/19098642.67

Issue

Vol. 6 No. 11

Section

Scientific and Technological Research Articles

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