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Volume 13
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Article

Welding Deformation Prediction and Control for a Stiffened Curved Panel–Cylindrical Shell Hybrid Structure

by
Bo Wang
1,2,*,
Chao Wang
1,
Xuchen Liu
2,
Junan Yi
3,
Zhen Chen
3 and
Ao Wang
2
1
College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China
2
Shipbuilding Technology Research Institute, Shanghai 200032, China
3
School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2025, 13(11), 2181; https://doi.org/10.3390/jmse13112181
Submission received: 26 September 2025 / Revised: 21 October 2025 / Accepted: 31 October 2025 / Published: 18 November 2025
(This article belongs to the Section Ocean Engineering)
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Abstract

Numerical simulation of the welding process is critical for predicting and controlling structural deformation. Previous numerical studies have predominantly focused on investigating the welding deformation of simple structures. However, actual engineering structures in naval architecture, aerospace, and construction applications exhibit significantly greater complexity. This study develops a finite element–based numerical approach to analyze the welding deformation in a stiffened curved panel–cylindrical shell hybrid structure. The connection between the stiffened curved panel and the cylindrical shell is achieved through a multi-pass welding procedure. The welding efficiency is enhanced through a segmented moving heat source model, which offers measurable practical benefits in engineering implementation. Furthermore, two useful strategies are proposed to mitigate the welding deformation, namely the utilization of welding sequence optimization and the applications of mechanical constraints. The results demonstrate an over 20% reduction in the out-of-plane deformation of the stiffened curved panel and more than 30% in the radial deformation of the cylindrical shell. It is indicated that the presented numerical approach can serve as a practical tool for the welding process optimization of complex welded structures.
Keywords: welding deformation; stiffened curved panel; cylindrical shell; mechanical constraints; welding sequence welding deformation; stiffened curved panel; cylindrical shell; mechanical constraints; welding sequence

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MDPI and ACS Style

Wang, B.; Wang, C.; Liu, X.; Yi, J.; Chen, Z.; Wang, A. Welding Deformation Prediction and Control for a Stiffened Curved Panel–Cylindrical Shell Hybrid Structure. J. Mar. Sci. Eng. 2025, 13, 2181. https://doi.org/10.3390/jmse13112181

AMA Style

Wang B, Wang C, Liu X, Yi J, Chen Z, Wang A. Welding Deformation Prediction and Control for a Stiffened Curved Panel–Cylindrical Shell Hybrid Structure. Journal of Marine Science and Engineering. 2025; 13(11):2181. https://doi.org/10.3390/jmse13112181

Chicago/Turabian Style

Wang, Bo, Chao Wang, Xuchen Liu, Junan Yi, Zhen Chen, and Ao Wang. 2025. "Welding Deformation Prediction and Control for a Stiffened Curved Panel–Cylindrical Shell Hybrid Structure" Journal of Marine Science and Engineering 13, no. 11: 2181. https://doi.org/10.3390/jmse13112181

APA Style

Wang, B., Wang, C., Liu, X., Yi, J., Chen, Z., & Wang, A. (2025). Welding Deformation Prediction and Control for a Stiffened Curved Panel–Cylindrical Shell Hybrid Structure. Journal of Marine Science and Engineering, 13(11), 2181. https://doi.org/10.3390/jmse13112181

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