Modeling of the axial crumpling of conical shells

• Autorzy: Kiter Riyah N. , Abbood Mazin Y. , Hassoon Omar H.

Identyfikatory

DOI

10.24425/ame.2022.143096

• Języki publikacji: EN

Abstrakty

EN

The axial crumpling of frusta in the axisymmetric "concertina" mode is examined. A new theoretical model is developed in which the inward folding in both cylinders and frusta is addressed. The results were compared with previous relevant models as well as experimental findings. The flexibility of the model was substantiated by its capability of describing and estimating the inward folding in frusta in general as well as in cylinders as a special case. A declining trend of the eccentricity dependence with the D/t ratio was found in contrast with a previous theory which suggests total independency. ABAQUS 14-2 finite element software was employed to simulate the thin tube as a 3-D thin shell part. Numerical simulations of the process were found to, firstly, underestimate the theoretical values of inward folding in general, secondly anticipate more underestimations as the tubes become thinner and/or have larger apex angle, and finally anticipate as low as 300 apical angle frusta to revert its mode of deformation to global inversion.

Słowa kluczowe

EN

axial crushing; concertina; eccentricity; ABAQUS; inward folding

PL

kruszenie osiowe; harmonijka; ekscentryczność; ABAQUS; składane do wewnątrz

• Wydawca: Komitet Budowy Maszyn PAN
• Czasopismo: Archive of Mechanical Engineering
• Rocznik: 2022
• Tom: LXIX, nr 4
• Strony: 615--628
• Opis fizyczny: Bibliogr. 16 poz.

Twórcy

autor

Kiter Riyah N.

• Department of Mechanical Engineering, College of Engineering, University of Anbar, Iraq

autor

Abbood Mazin Y.

• Department of Mechanical Engineering, College of Engineering, University of Anbar, Iraq

• https://orcid.org/0000-0002-9236-9205

autor

Hassoon Omar H.

• Department of Production and Metallurgy Engineering, University of Technology, Baghdad, Iraq

• https://orcid.org/0000-0002-4695-1894

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).