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ICWET'21  

         

ULIBTK 2021

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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


15/03/2021 Collaboration for ICWET'21: Editorial Board of our journal and Organizing Committee of the6th International Conference on Welding Technologies and Exibition (ICWET’21) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


11/02/2021 Collaboration for ULIBTK 2021: Editorial Board of our journal and Organizing Committee of the 23. Congress on Thermal Science and Technology (ULIBTK 2021) have agreed to collaborate. Extended versions of the selected papers from the conference will be published in our journal. For more see Events.


31/12/2020 Most Cited Award: 

According to the Editorial Board evaluation, the paper authored by Nelson Batista, Rui Melicio, Victor Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self-start capabilities considering symmetric and asymmetric airfoils" is awarded the 2020 Most Cited Paper Award of Research on Engineering Structures and Materials (RESM).


31/12/2020 Best Paper Award:

According to the Advisory Board decision, 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 2020 Best Paper Award of Research on Engineering Structures and Materials (RESM).



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


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LATEST AWARDS


2020 Most Cited Paper Award:

The paper authored by Nelson Batista, Rui Melicio, Victor Mendes entitled as “Darrieus vertical axis wind turbines: methodology to study the self-start capabilities considering symmetric and asymmetric airfoils" is awarded the


2020 Best Paper Award:

The paper authored by Ahsen Ünal, Işıl Özer, Melek Erol Taygun, Sadriye Küçükbayrak entitled as “Fabrication and in-vitro evaluation of copper doped bioactive glass/polymer composite scaffolds for bone tissue engineering” is awarded the 


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Last Update:

27.10.2021

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