2-D constitutive equations for orthotropic Cosserat type laminated shells in finite element analysis - Publikacja - MOST Wiedzy

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2-D constitutive equations for orthotropic Cosserat type laminated shells in finite element analysis

Abstrakt

We propose 2-D Cosserat type orthotropic constitutive equations for laminated shells for the purpose of initial failure estimation in a laminate layer. We use nonlinear 6-parameter shell theory with asymmetric membrane strain measures and Cosserat kinematics as the framework. This theory is specially dedicated to the analysis of irregular shells, inter alia, with orthogonal intersections, since it takes into account the drilling rotation degree of freedom. Therefore, the shell is endowed naturally with 6 degrees of freedom: 3 translations and 3 rotations. The proposed equations are formulated from the statement of the generalized Cosserat plane stress with additional transverse shear components and integrated over the shell's thickness using the equivalent single layer approach (ESL). The resulting formulae are implemented into the own Fortran code enabling nonlinear shell analysis. Some numerical results are presented to show the performance of the proposed approach.

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Informacje szczegółowe

Kategoria:
Publikacja w czasopiśmie
Typ:
artykuł w czasopiśmie wyróżnionym w JCR
Opublikowano w:
COMPOSITES PART B-ENGINEERING nr 165, strony 335 - 353,
ISSN: 1359-8368
Język:
angielski
Rok wydania:
2019
Opis bibliograficzny:
Chróścielewski J., Sabik A., Sobczyk B., Witkowski W.: 2-D constitutive equations for orthotropic Cosserat type laminated shells in finite element analysis// COMPOSITES PART B-ENGINEERING. -Vol. 165, (2019), s.335-353
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.1016/j.compositesb.2018.11.101

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