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Pregled bibliografske jedinice broj: 141870

Zbornik radova

Autori: Kozak, Dražan; Blaj, Liliana; Matejiček, Franjo
Naslov: State of Stress Modelling by 2-D Finite Element Analysis of Fracture Toughness Specimens
Izvornik: Proceedings of the 6th International Conference on Boundary and Finite Element / Dobre, Ionel ; Faur, Nicolae (ur.). - Timisoara : Editura Politehnica , 2003. 303-312.
Skup: 6th International Conference on Boundary and Finite Element
Mjesto i datum: Temišvar, Rumunjska, 16-19.10.2003.
Ključne riječi: Fracture toughness specimen; Geometry Mismatch; Material Mismatch; Plane stress; Plane strain; Mixed State-of-Stress
Sažetak:
This paper should clarify some details related to finite element (FE) analysis of the single edge notch bend (SENB) specimen with X-shaped welded joint as an example. The specimen consists in a complex geometry as well as material mismatch, what makes the FE modelling more difficult. The main advantage of 2-D calculations is the short time needed for the computation of any fracture parameter, but it involves assumption about the state of stress. This depends on the thickness of the specimen, plane section position and loading level. Plane strain state (PE) is very conservative approach valid for thick structures only, while plane stress state (PS) is appropriate in the case of thin specimens. The use of 3-D finite elements is necessary for the specimens with medium thickness or in the case when the symmetry of the specimen according to the thickness is not present.
Vrsta sudjelovanja: Predavanje
Vrsta prezentacije u zborniku: Cjeloviti rad (više od 1500 riječi)
Vrsta recenzije: Međunarodna recenzija
Projekt / tema: 0152015, 0152018
Izvorni jezik: ENG
Kategorija: Znanstveni
Znanstvena područja:
Strojarstvo
Puni text rada: 141870.Kozak_Blaj_Matejicek_ELFIN_6_korigiran.doc



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