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- Article name
- Axial rigidity study of multilayer composite cilidrical shells with local defects
- Authors
- SUKHININ S. N., , sukhinin@yandex.ru, Central Research Institute of Mashing Building, Korolev, Moscow region, Russia
SHIVRIN M. V., , otdel5551@gmail.com, Central Research Institute of Mashing Building, Korolev, Moscow region, Russia
- Keywords
- multilayer composite shells / rigidity of composite shells / buckling load / defects / trough-holes / delaminations / finite element method
- Year
- 2014 Issue 1 Pages 3 - 7
- Code EDN
- Code DOI
- Abstract
- The influence of local defects in form delaminations and through-holes on the axial buckling load of rigidity loss of composite cylindrical shell constructions is considered. The problem is solved by the finite element method. Dependence diagrams indimensionless quantities of defects and buckling load was plotted. It was established that buckling load of rigidity loss insignificance depends on defect configuration. At identifical dimensions influence of though-hole on buckling load of rigidity loss more that influence of delaminations. With increases of defect dimension configuration of rigidity loss is localized in field this defect.
- Text
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