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Weld Misalignment Influence on the Structural Integrity of Cylindrical Pressure Vessel


Kozak, Dražan; Konjatić, Pejo; Matejiček, Franjo; Damjanović, Darko
Weld Misalignment Influence on the Structural Integrity of Cylindrical Pressure Vessel // Structural Integrity and Life, 10 (2010), 2; 153-159 (podatak o recenziji nije dostupan, članak, znanstveni)


Naslov
Weld Misalignment Influence on the Structural Integrity of Cylindrical Pressure Vessel

Autori
Kozak, Dražan ; Konjatić, Pejo ; Matejiček, Franjo ; Damjanović, Darko

Izvornik
Structural Integrity and Life (14151-3749) 10 (2010), 2; 153-159

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Cylindrical shell; weld misalignment; stresses; API 579; finite element method; surface circumferential crack; failure assessment diagram (FAD)

Sažetak
The influence of stresses resulting from weld misalignment in cylindrical shell circumferential weld joint on the shell integrity has been considered. The stresses have been estimated analytically by API recommended practice 579 and calculated numerically by using the finite element method. Surface circumferential crack has been assumed perpendicular to the principal stress at the location of maximum stress. Failure assessment procedure has been performed for the most dangereous situation (e = 8 mm) varying the crack depth to thickness ratio as a/t = 0, 4 ; 0, 45 ; and 0, 5. Critical internal pressure values for these cases have been found by using of FAD diagrams.

Izvorni jezik
Engleski

Znanstvena područja
Strojarstvo

Napomena
The paper was presented at the Ninth Meeting "New Trends in Fatigue and Fracture" (NT2F9), Belgrade, Serbia, 12-14 October, 2009.



POVEZANOST RADA


Projekt / tema
152-1201910-1909 - Analiza i procjena loma konstrukcija iz anizotropnih materijala (Dražan Kozak, )

Ustanove
Strojarski fakultet, Slavonski Brod