Williams expansion-based approximation of the stress field in an Al 2024 body with a crack from optical measurements

Autor: S. Seitl, L. Malíková, J. Sobek, P. Frantík, P. Lopez-Crespo

Publikováno v: Frattura ed Integrità Strutturale, Vol 11, Iss 41, Pp 323-331 (2017)

A study on the approximation of the stress field in the vicinity of crack tip in a compact tension specimen made from Al 2024-T351 is presented. Crack tip stress tensor components are expressed using the linear elastic fracture mechanics (LEFM) theor

Externí odkaz: https://doaj.org/article/5ef5cd4a711140d198c7c364ec3ae8ae

Approximation of the crack-tip field in fatigue cracks in bridge steel specimens: DIC analysis of different constraint levels

Autor: Stanislav Seitl, Petr Miarka, Vladimir Ruzicka, Lucie Malikova, Alejandro Cruces, Pablo Lopez Crespo

Publikováno v: Frattura ed Integrità Strutturale, Vol 13, Iss 49 (2019)

A study on the accuracy of the approximation of the displacement field around of crack tip in a sample made from bridge steel (S355) is main objective of contribution. Linear elastic fracture mechanics (LEFM) theory in framework of multi-parameter fo

Externí odkaz: https://doaj.org/article/79c556a67fc945079db01648263ece7e

Approximation of the crack-tip field in fatigue cracks in bridge steel specimens: DIC analysis of different constraint levels

Autor: A.S. Cruces, Pablo Lopez Crespo, Petr Miarka, Lucie Malíková, Stanislav Seitl, Vladimir Ruzicka

Publikováno v: Frattura ed Integrità Strutturale, Vol 13, Iss 49, Pp 97-106 (2019)
Frattura ed Integrità Strutturale; Vol. 13 No. 49 (2019): July 2019; 97-106
Frattura ed Integrità Strutturale; V. 13 N. 49 (2019): July 2019; 97-106
Frattura ed Integrità Strutturale, Vol 13, Iss 49 (2019)
Frattura ed Integrita Strutturale. 2019, vol. 49, issue 1, p. 97-106.

A study on the accuracy of the approximation of the displacement field around of crack tip in a sample made from bridge steel (S355) is main objective of contribution. Linear elastic fracture mechanics (LEFM) theory in framework of multi-parameter fo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8d4607b208efefc04525881f9396661
https://www.fracturae.com/index.php/fis/article/view/2522/2624

Analysis of accuracy of Williams series approximation of stress field in cracked body – influence of area of interest around crack-tip on multi-parameter regression performance

Autor: Jakub Sobek, Petr Frantík, Václav Veselý

Publikováno v: Frattura ed Integrita Strutturale. 2017, vol. 11, issue 39, p. 129-142.
Frattura ed Integrità Strutturale, Vol 11, Iss 39, Pp 129-142 (2017)
Frattura ed Integrità Strutturale, Vol 11, Iss 39 (2016)
Frattura ed Integrità Strutturale; Vol 11 No 39 (2017): January 2017; Pages 129-142
Frattura ed Integrità Strutturale; V. 11 N. 39 (2017): January 2017; Pages 129-142

A study on the accuracy of an approximation of the stress field in a cracked body is presented. Crack-tip stress tensor is expressed using the linear elastic fracture mechanics (LEFM) theory in this work, more precisely via its multi-parameter formul

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::defa2fc409a721bcba252f7283e6e3e2
https://hdl.handle.net/11012/180652

Napjatostní aspekty kvazikřehkého lomu

Autor: Sobek, Jakub

The presented dissertation thesis is focused, as the title suggests, on the analysis of stress state aspects of quasi-brittle fracture. That means the fracture of composite materials with cement matrix (such as concrete, mortar, plaster, etc.), ceram

Externí odkaz: http://www.nusl.cz/ntk/nusl-390243