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Examination of selected failure criteria with asymmetric shear stresses in the collapse analysis of laminated shells
Abstrakt
The paper is concerned with failure analysis of composite shells performed with the usage of the nonlinear 6‐parameter shell theory with drilling rotation degree of freedom. This special theory embodies naturally unlim-ited translations and rotations and is suitable for analysis of irregular shells for instance with various, partic-ularly orthogonal, intersections. The presence of the drilling rotation is inherently accompanied withasymmetry of in‐plane shear stresses and strains which must be taken into account in the composite failure cri-teria. In the paper in general two failure measures are applied: Hashin criterion and Tsai‐Wu criterion whichare appropriately modified to accommodate the stress asymmetry. It is shown, that depending on the used fail-ure criterion, it is possible to obtain slightly different damage zones and values of thefirst ply failure and ulti-mate load. These values are compared with those obtained experimentally.
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Informacje szczegółowe
- Kategoria:
- Publikacja w czasopiśmie
- Typ:
- artykuły w czasopismach
- Opublikowano w:
-
COMPOSITE STRUCTURES
nr 261,
strony 1 - 15,
ISSN: 0263-8223 - Język:
- angielski
- Rok wydania:
- 2021
- Opis bibliograficzny:
- Chróścielewski J., Sabik A., Sobczyk B., Witkowski W.: Examination of selected failure criteria with asymmetric shear stresses in the collapse analysis of laminated shells// COMPOSITE STRUCTURES -Vol. 261, (2021), s.1-15
- DOI:
- Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.compstruct.2020.113537
- Weryfikacja:
- Politechnika Gdańska
wyświetlono 136 razy