Eigenstrain method in simulations of laser peen forming of curved surfaces

Research output: Contributions to collected editions/worksArticle in conference proceedingsResearchpeer-review

Authors

The eigenstrain ansatz allows for the efficient simulation of large-scale applications of Laser Peen Forming (LPF) while being subject to geometric constraints. A setup to investigate the viability of the method for non-uniform curvature is proposed. A small-scale laser processing is simulated on cylinder shells of given curvature. Eigenstrains are determined in representative cells and mapped onto a second cylinder shell with different curvature to simulate a large-scale processing operation. The eigenstrains result in changes in local curvature. This is repeated for four curvatures. The resulting data is used to investigate the dependence of the induced curvature change on the origin geometry of the eigenstrains. A determined regression relation provides insight into the feasibility of the eigenstrain ansatz beyond its constrains.

Original languageEnglish
Title of host publicationMaterial Forming, ESAFORM 2024 : The 27th International ESAFORM Conference on Material Forming – ESAFORM 2024
EditorsAnna Carla Araujo, Arthur Cantarel, France Chabert, Adrian Korycki, Philippe Olivier, Fabrice Schmidt
Number of pages9
Place of PublicationMillersville
PublisherAssociation of American Publishers
Publication date15.05.2024
Pages2355-2363
ISBN (electronic)9781644903131
DOIs
Publication statusPublished - 15.05.2024
Event27th International ESAFORM Conference on Material Forming - ESAFORM 2024 - Pierre Baudis Convention Center, Toulouse, France
Duration: 24.04.202426.04.2024
Conference number: 27
https://esaform24.fr/

Bibliographical note

Publisher Copyright:
© 2024, Association of American Publishers. All rights reserved.

    Research areas

  • Bending, Curvature, Eigenstrain, Finite Element Analysis, Laser Peen Forming
  • Engineering

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