Experimental and numerical simulation analysis of laser paint removal of aluminum alloy

2022 ◽  
Vol 34 (1) ◽  
pp. 012002
Author(s):  
Runpeng Miao ◽  
Tao Wang ◽  
Tao Yao ◽  
Shaowu Hu ◽  
Xudong Huang ◽  
...  
Keyword(s):  
Numerical Simulation ◽  
Aluminum Alloy ◽  
Simulation Analysis ◽  
Paint Removal

Fatigue Property Test and Numerical Simulation Analysis of 2524 Aluminum Alloy by Laser Shock Process

2020 ◽  
Vol 842 ◽  
pp. 265-271
Author(s):  
Song Bai Li ◽  
Xiang Li
Keyword(s):  
Numerical Simulation ◽  
Residual Stress ◽  
Aluminum Alloy ◽  
Fatigue Life ◽  
Simulation Analysis ◽  
Laser Energy ◽  
Stress Test ◽  
Fatigue Properties ◽  
Laser Shock ◽  
Shock Process

Effects of laser shock peening on the fatigue properties of 2524 aluminum alloy were investigated by laser shock test, residual stress test and fatigue crack growth test respectively. The results show that the maximum residual stress is -220MPa at a distance of 1.1mm from the spot center after LSP (laser energy of 6.26J). The distribution of residual stress was simulated by Abaqus software, and the numerical simulation results were in good agreement with the experimental results. Compared with the untreated specimens, the fatigue life of the shocked specimens was increased by 32%. Fatigue fracture morphologies of the final rupture zone also show that more dimples of significantly larger depth and size occur. The fatigue life of 2524 aluminum alloy can be effectively extended by laser shock process (LSP).

LIFT AND DRAG CORRELATIONS FOR AN AIRFOIL ARRAY THROUGH NUMERICAL SIMULATION ANALYSIS.

2019 ◽  
Author(s):  
Luan Labigalini ◽  
Ricardo Salvo ◽  
Rafael Sene de Lima ◽  
Ismael Marchi Neto ◽  
Rodrigo Corrêa da Silva
Keyword(s):  
Numerical Simulation ◽  
Simulation Analysis ◽  
Lift And Drag

scholarly journals Calibration of Finn Model and UBCSAND Model for Simplified Liquefaction Analysis Procedures

2021 ◽  
Vol 11 (11) ◽  
pp. 5283
Author(s):  
Jui-Ching Chou ◽  
Hsueh-Tusng Yang ◽  
Der-Guey Lin
Keyword(s):  
Numerical Simulation ◽  
Constitutive Model ◽  
Structural Damage ◽  
Simulation Analysis ◽  
Constitutive Models ◽  
Soil Liquefaction ◽  
Analysis Procedure ◽  
Liquefaction Resistance ◽  
Simplified Procedure ◽  
Liquefaction Analysis

Soil-liquefaction-related hazards can damage structures or lead to an extensive loss of life and property. Therefore, the stability and safety of structures against soil liquefaction are essential for evaluation in earthquake design. In practice, the simplified liquefaction analysis procedure associated with numerical simulation analysis is the most used approach for evaluating the behavior of structures or the effectiveness of mitigation plans. First, the occurrence of soil liquefaction is evaluated using the simplified procedure. If soil liquefaction occurs, the resulting structural damage or the following mitigation plan is evaluated using the numerical simulation analysis. Rational and comparable evaluation results between the simplified liquefaction analysis procedure and the numerical simulation analysis are achieved by ensuring that the liquefaction constitutive model used in the numerical simulation has a consistent liquefaction resistance with the simplified liquefaction analysis procedure. In this study, two frequently used liquefaction constitutive models (Finn model and UBCSAND model) were calibrated by fitting the liquefaction triggering curves of most used simplified liquefaction analysis procedures (NCEER, HBF, JRA96, and T-Y procedures) in Taiwan via FLAC program. In addition, the responses of two calibrated models were compared and discussed to provide guidelines for selecting an appropriate liquefaction constitutive model in future projects.

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