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Abstract
The paper is a continuation of [1] where the formulation of the elastic constitutive law for functionally graded materials (FGM) on the grounds of nonlinear 6-parameter shell theory with the 6th parameter (the drilling degree of freedom) was presented. Here the formulation is extended to the elasto-plastic range. The material law is based on Cosserat plasticity and employs the well-known Tamura-Tomota-Ozawa (TTO) [2] mixture model with additional formulae for Cosserat material parameters. Formulation is verified by solving a set of demanding analyses of plates, curved and multi-branched shells, including geometry, thickness and material distribution variation parameter analyses.
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- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
COMPOSITES PART B-ENGINEERING
no. 154,
pages 478 - 491,
ISSN: 1359-8368 - Language:
- English
- Publication year:
- 2018
- Bibliographic description:
- Burzyński S., Chróścielewski J., Daszkiewicz K., Witkowski W.: Elastoplastic nonlinear FEM analysis of FGM shells of Cosserat type// COMPOSITES PART B-ENGINEERING. -Vol. 154, (2018), s.478-491
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.compositesb.2018.07.055
- Sources of funding:
- Verified by:
- Gdańsk University of Technology
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