Simulation of fatigue crack growth in residual‐stress‐afflicted specimen with a phase‐field model

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Laser shock peening (LSP) is a promising technique to systematically introduce local compressive residual stresses in metal sheets, inhibiting fatigue cracks in these areas. We model fatigue crack growth in these specimen with the help of a phase‐field model for fatigue fracture [1]. First, we parametrise the model using untreated aluminium specimens. In a second step, we use the determined parameters to simulate residual‐stress‐afflicted specimens, qualitatively reproducing the crack inhibition due to LSP.
Original languageEnglish
Article numbere202100210
JournalPAMM
Volume21
Issue number1
Number of pages2
DOIs
Publication statusPublished - 01.12.2021
Event91st Annual Meeting of the International Association of Applied Mathematics and Mechanics - GAMM 2020@21 - Universität Kassel, Kassel, Germany
Duration: 15.03.202119.03.2021
Conference number: 91
https://jahrestagung.gamm-ev.de/

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