Journal ArticleDOI
Welding distortion prediction with elastic FE analysis and mitigation practice in fabrication of cantilever beam component of jack-up drilling rig
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In this paper, the possible welding distortion during the fabrication of I section welded structure in cantilever beam of a jack-up drilling rig was studied with prediction and mitigation, and some mitigation practices such as application of inverse distortion, optimization of welding sequence and constraint methods, were conducted and examined.About:
This article is published in Ocean Engineering.The article was published on 2017-01-15. It has received 39 citations till now. The article focuses on the topics: Welding & Distortion.read more
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Framework of computational approach based on inherent deformation for welding buckling investigation during fabrication of lightweight ship panel
Jiangchao Wang,Bin Yi,Hong Zhou +2 more
TL;DR: In this article, a Computational approach based on inherent deformation was proposed, and its framework and application were introduced in detail, typical fillet welded joint was experimentally conducted and its solid elements FE model was numerically examined with experimental validation.
Journal ArticleDOI
Robust optimization for reducing welding-induced angular distortion in fiber laser keyhole welding under process parameter uncertainty
TL;DR: In this article, a robust process optimization framework is proposed to reduce welding-induced distortion in fiber laser keyhole welding under parameter uncertainty, and the obtained uncertainty quantification formulas are used in the robust optimization problem to minimize weldinginduced distortion.
Journal ArticleDOI
A study on the prediction of inherent deformation in fillet-welded joint using support vector machine and genetic optimization algorithm
Liang Tian,Yu Luo +1 more
TL;DR: The research results demonstrate that the SVM model optimized by GA can be used to assess the longitudinal and transverse inherent deformations for the T-joint fillet weld with acceptable accuracy.
Journal ArticleDOI
Numerical analysis of welding deformation and residual stress in marine propeller nozzle with hybrid laser-arc girth welds
TL;DR: In this article, the deformation and residual stress of a large marine propeller nozzle in hybrid laser-arc girth welding were analyzed by thermal-elastic-plastic finite element method and verified by experiment.
Journal ArticleDOI
Magnetism aided mitigation of deformation and residual stress in dissimilar joint 316L with EH36
TL;DR: In this paper, a simulation method by integrating image extraction and fitting of actual weld profile into thermal elastic plastic finite element analysis was proposed to evaluate welding deformation and residual stress in the dissimilar joint with an asymmetrical weld shape.
References
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Journal ArticleDOI
Numerical simulation of welding distortion in large structures
Journal Article
Prediction of welding distortion
P. Michaleris,A. Debiccari +1 more
TL;DR: In this article, a numerical analysis technique for predicting welding-induced buckling is presented, which combines two-dimensional welding simulations with three-dimensional structural analyses in a decoupled approach.
Book
Welding deformation and residual stress prevention
TL;DR: Welding Deformation and residual stress prevention is addressed in this paper, where the authors provide a unique computational approach to the prediction of the effects of deformation on materials and the goal is to provide engineers and designers with the ability to create their own computational system for predicting and possibly avoiding the problem altogether.
Journal Article
Prediction of welding deformation and residual stress by elastic FEM based on inherent strain. Report 1: Mechanism of inherent strain production
TL;DR: Luo et al. as discussed by the authors predict Welding Deformation and Residual Stress by Elastic FEM based on Inherent Strain (report I) : Mechanism of Inherent strain production(Mechanics, Strength & Structure Design).