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of 85
pro vyhledávání: '"M Graba"'
Autor:
M. Graba
Publikováno v:
International Journal of Applied Mechanics and Engineering, Vol 25, Iss 1, Pp 52-74 (2020)
The paper presents a comprehensive analysis of the stress field and selected triaxiality parameters near the crack tip for C(T) specimen dominated by the plane strain state using the finite element method. It includes some theoretical information abo
Externí odkaz:
https://doaj.org/article/5d70bc392a504b27b8f133b597bc4a27
Autor:
M. Graba
Publikováno v:
International Journal of Applied Mechanics and Engineering, Vol 24, Iss 3, Pp 549-576 (2019)
The paper presents a comprehensive analysis of the stress field near a crack tip for a compact specimen dominated by the plane strain state using the finite element method. The analysis also includes the calculation of some parameters of in-plane con
Externí odkaz:
https://doaj.org/article/75996d11fcc941c489b31bff85a29ff0
Autor:
M. Graba
Publikováno v:
International Journal of Applied Mechanics and Engineering, Vol 23, Iss 1, Pp 37-63 (2018)
This paper analyzes the process of fracture in 41Cr4 steel on the basis of experimental and numerical data obtained for non-propagating cracks. The author’s previous and latest experimental results were used to determine the apparent crack initiati
Externí odkaz:
https://doaj.org/article/66aa28400d124c5e998ce436e91d80b1
Autor:
M. Graba
Publikováno v:
International Journal of Applied Mechanics and Engineering, Vol 22, Iss 4, Pp 901-919 (2017)
This paper provides a comparative analysis of selected parameters of the geometric constraints for cracked plates subjected to tension. The results of three-dimensional numerical calculations were used to assess the distribution of these parameters a
Externí odkaz:
https://doaj.org/article/7486e4e0a7ac48059663871ae91cd6a6
Autor:
M. Graba
Publikováno v:
International Journal of Applied Mechanics and Engineering, Vol 22, Iss 1, Pp 49-80 (2017)
This paper provides a numerical analysis of selected parameters of fracture mechanics for double-edge notched specimens in tension, DEN(T), under plane strain conditions. The analysis was performed using the elastic-plastic material model. The study
Externí odkaz:
https://doaj.org/article/fff48b3266c04467b398453dfbd1a9c7
Autor:
M. Graba
Publikováno v:
International Journal of Applied Mechanics and Engineering, Vol 21, Iss 4, Pp 849-866 (2016)
This paper presents a numerical analysis of the relationship between in-plane constraints and the crack tip opening displacement (CTOD) for single-edge notched bend (SEN(B)) specimens under predominantly plane strain conditions. It provides details o
Externí odkaz:
https://doaj.org/article/2c3ecc8148bf4bcda180fd874c9a3760
Autor:
M. Graba
Publikováno v:
International Journal of Applied Mechanics and Engineering, Vol 21, Iss 3, Pp 569-580 (2016)
This paper deals with the limit load solutions for SEN(T) specimens under plane stress and plane strain conditions. The existing solutions are verified using the Finite Element Method and extended to 3D cases. The numerical results can be used to ass
Externí odkaz:
https://doaj.org/article/c7276edb11604633b60c8bc33382b0c8
Akademický článek
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Akademický článek
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Autor:
M. Graba
Publikováno v:
Bulletin of the Polish Academy of Sciences Technical Sciences. 65:523-532
In the paper, new hybrid (numerical-analytical) methods to calculate the J-integral, the CTOD, and the load line displacement are presented. The proposed solutions are based on FEM calculations which were done for SEN(B) specimens dominated by plane
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61ea9ff0cfd17a224224244f1a7cb2b0
https://doi.org/10.1515/bpasts-2017-0057
https://doi.org/10.1515/bpasts-2017-0057