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Research Article

Finite element evaluation of notch effect on partial penetration T-joints subjected to distinct toe-grinding processes

Gabriel Funes, Priscila Amaro, Paulo Teixeira, Kleber Bianchi

School of Engineering, Federal University of Rio Grande - FURG, Brazil                                                                                                                                                             

Keywords

Abstract



Welded structures;

Toe grinding;

Finite Element Analysis;

Notch effect


Toe grinding process is widely employed for increasing fatigue life of welded structures with high dimensions, which are very usual in civil, naval and offshore industries. In these cases, costs related to the application of an additional manufacturing process are naturally justified. However, code recommendations referred to toe grinding process are quite conservatives, which justifies investigations on the applicability of more effective and efficient procedures. This work presents an alternative toe grinding procedure for application in a partial penetration T-joint with fillets subjected to a longitudinal load. Such alternative was analyzed by comparison of results of Finite Element Analysis applied over modeled specimens corresponding to three cases: i) original configuration (no grinding process had been applied), ii) tip rib contouring groove (code based procedure) and iii) straight grinding groove. This last case was proposed because the manufacturing procedure is considerably simplified and easily adaptable for automated production. After performing the FE analysis, results indicated that notch effect is very similar for both grinding cases. This result supported the choice of the simplified grinding process for manufacturing a set of real specimens, assigned for fatigue testing. In a resume, this work indicates that a simple and adaptable for automated manufacturing procedure may provide similar fatigue performance of the relatively complex method preconized by standard codes.  © 2019 MIM Research Group. All rights reserved.

LATEST News


21/02/2020 Collaboration for SET 2020: Editorial Board of our journal and Organizing Committee of the 19th International Conference on Sustainable Energy Technologies (SET 2020) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


25/12/2019 Most Cited Paper Award: The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the 2019 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).

25/12/2019 Best Paper Award: The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 2019 Best Paper Award of Research on Engineering Structures and Materials (RESM).


13/11/2019 Data articles as a new type of submision: Editorial Board of our journal have decided to accept a new type of submission: data articles. The focus of these papers is only on data and how it is collected but not on its interpretation and drawn conclusions. For more see News section.


(More details of the news may be given in the News section)


For more see News...

LATEST AWARDS


2019 Most Cited Paper Award:

The paper authored by Manoj Sahni and Sanjeev Sharma entitled as “Elastic-plastic deformation of a thin rotating solid disk of exponentially varying density" is awarded the


2019 Best Paper Award:

The paper authored by Marcelo Mesquita do Amaral, Matheus Wanglon Ferreira and Mauro de Vasconcellos Real entitled as “A simplified method for analysis of reinforced concrete beams exposed to fire situation” is awarded the 


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Last Update:

15.06.2020

(dd.mm.yyyy)