Results 11 to 20 of about 152 (142)

Experimental and Numerical Studies on Residual Stress in Wide Butt Welds

open access: yesAdvances in Materials Science and Engineering, 2017
The presence of residual stress in steel members can significantly compromise the stiffness and fatigue life of steel structural components. This influence becomes more serious for the wide butt welds in the construction of large-sized steel members due ...
Yang Ding   +3 more
doaj   +2 more sources

An LBB‐stable P1/RNP0 finite element based on a pseudo‐random integration method for incompressible and nearly incompressible material flows

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 124, Issue 24, Page 5558-5573, 30 December 2023., 2023
Abstract The aim of this work is to propose a new nodal treatment of the pressure for tetrahedral or triangular meshes devoted to the simulation of incompressible and nearly incompressible material flows. The approach proposed has the interest of fulfilling numerically the LBB condition for P1‐type discretizations over a wide range of element sizes ...
Eric Feulvarch   +2 more
wiley   +1 more source

A volumetric heat source model for the approximation of the melting pool in laser beam welding

open access: yesProceedings in Applied Mathematics and Mechanics, Volume 23, Issue 4, December 2023., 2023
Abstract Laser beam welding is a metal fusion technique that, with its high advance speed and low thermal distortion, is used more frequently nowadays in industry. During welding, the solidification front is located in the so‐called mushy zone, which forms the transition region between the completely solidified and mixture zone of solid and fluid ...
Philipp Hartwig   +2 more
wiley   +1 more source

EFFECTS OF END FORM OF T-JOINT WELDS ON FORMATION OF RESIDUAL STRESSES [PDF]

open access: yesمجله مدل سازی در مهندسی, 2012
Fillet weld is a common method of connecting various elements of the steel structures as in T- or butt joints. Thus, estimation of the amounts and distributions of residual stresses in these connections are important. Effects of complete and non-complete
رحمن Seifi   +2 more
doaj   +1 more source

Numerical Simulation of Residual Stresses and Distortions of T-Joint Welding for Bridge Construction Application

open access: yesCommunications, 2016
Prediction of the distortions and residual stresses of the welded steel structures is still very important to reduction of the costs, mainly during the optimization of welding process.
Radoslav Konar   +2 more
doaj   +1 more source

Investigation of crack propagation in the surface white layer of rail steel

open access: yesAdvanced Engineering Research, 2020
Introduction. The paper is devoted to the evaluation of cracking of white layers formed on the surface of the rail while in operation. Cracks are detected in the white layer of rail steel after one thousand test cycles.
A. Yu. Perelygina   +2 more
doaj   +1 more source

Experimental Measurements and Numerical Simulation of Bridge Construction Welding at Low Temperatures

open access: yesCommunications, 2014
This article describes experimental measurements and welding simulation by welding of bridge construction with thickness 30 mm. The welded bridge plate was made from steel S355. Welding was carried out at low ambient temperature.
Radoslav Konar   +2 more
doaj   +1 more source

Analysis on Development of Transverse - Sectioned Weld Zone using FEM Verified with Multipulsed Resistance Seam Welding

open access: yesThe Journal of Engineering Research, 2013
This paper details an investigation, through an experimental study, of the development of weld nuggets and a heat-affected zone (HAZ) in resistance seam welding(RSEW) using a numerical simulation approach.
N Muhammad, YHP Manurang*
doaj   +1 more source

Numerical Analysis of the Influence of Electrode Inclination on Temperature Distribution during GMAW Overlaying

open access: yesMathematical Problems in Engineering, Volume 2019, Issue 1, 2019., 2019
In the work, an analysis of the influence of electrode inclination on the distribution of temperature in the weld overlaying has been conducted. In the analytical description of the temperature field, a volumetric heat source model with an inclined axis with respect to the direction of surfacing was adopted.
Jerzy Winczek   +4 more
wiley   +1 more source

Numerical Simulation and Experimental Verification of Laser Multi-Section Welding

open access: yesChinese Journal of Mechanical Engineering, 2022
To address the problems of large welding deformation and splashing in the resistance spot welding of the lubricating oil cooler plate, the laser spot welding was employed, instead of the resistance spot welding, and a novel laser spot welding was ...
Jia Liu   +4 more
doaj   +1 more source

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