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Wyszukujesz frazę "Dębski, Hubert" wg kryterium: Autor


Wyświetlanie 1-4 z 4
Tytuł:
Stability Problems of Compressed Thin-Walled Structures
Autorzy:
Dębski, Hubert
Powiązania:
https://bibliotekanauki.pl/articles/102166.pdf
Data publikacji:
2018
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
thin-walled columns
composite structures
buckling
finite element modelling
kolumny o cienkich ścianach
struktury kompozytowe
wyboczenie
modelowanie elementów skończonych
Opis:
The object of this study involves thin-walled columns made of carbon-epoxy composite with open top-hat cross-section. The material used comprised a composite of epoxy matrix reinforced with carbon fiber (system HexPly M12, Hexcel). The M12 system is used above all in aircraft structures. It exhibits high fatigue durability and good maintenance properties at relatively low specific gravity. The research was carried out as the FEM numerical analyses and experimental tests in buckling and post-buckling state. The numerical tool used was the ABAQUS software.
Źródło:
Advances in Science and Technology. Research Journal; 2018, 12, 4; 190-198
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
The Influence of Composite Lay-Up on the Stability of a Structure with Closed Section
Autorzy:
Różyło, Patryk
Dębski, Hubert
Powiązania:
https://bibliotekanauki.pl/articles/2022295.pdf
Data publikacji:
2022
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
buckling
composite closed-section profiles
critical load
FEM
Opis:
This paper presents a study on the stability of a composite structure with a closed section. The research was carried out solely based on numerical simulations using the finite element method. ABAQUS software was used to conduct numerical simulations, which allowed to determine the values of critical loads, as well as the corresponding forms of buckling. As part of the research, the influence of composite material arrangement of layers on the stability of the structure was analyzed. The study was conducted on a composite material, which is a carbon-epoxy composite (CFRP). The obtained research results will be verified in subsequent studies by the results of experimental tests.
Źródło:
Advances in Science and Technology. Research Journal; 2022, 16, 1; 260-265
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Experimental and Numerical Analysis of Post-Critical States and Damage of Thin-Walled Channel Section Columns Made of Carbon/Epoxy Composite
Autorzy:
Dębski, Hubert
Bieniaś, Jarosław
Powiązania:
https://bibliotekanauki.pl/articles/2023796.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:
composites
computer modelling
failure
fibers
structure
kompozyty
modelowanie komputerowe
uszkodzenie
włókna
struktura
Opis:
The paper presents results of a numerical and experimental analysis of post-critical state of a thin-walled channel-section simply supported beam under axial compression. The beam was made of carbon-epoxy symmetrical composite prepared with a pre-preg technology using 8 layers of unidirectional band. The material used was a composite of epoxy matrix reinforced with carbon fiber (system HexPly M12, Hexcel). The M12 system is used above all in aircraft structures. It exhibits high fatigue durability and good maintenance properties at relatively low specific gravity. The research was lead as the FEM numerical analyses and experimental tests in post-buckling and limit states, as well. Experimental studies were conducted to confirm results obtained from numerical calculations, which was performed using the ABAQUS® software.
Źródło:
Advances in Science and Technology. Research Journal; 2021, 15, 4; 321-331
2299-8624
Pojawia się w:
Advances in Science and Technology. Research Journal
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Stability and failure of thin-walled composite structures with a square cross-section
Autorzy:
Czajka, Błażej
Różyło, Patryk
Dębski, Hubert
Powiązania:
https://bibliotekanauki.pl/articles/2097437.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Promocji Wiedzy
Tematy:
finite element method
FEM
post-buckling
progressive failure analysis
PFA
delamination
cohesive zone model
CZM
Opis:
This paper is devoted to the analysis of the stability and load-carrying capacity of thin-walled composite profiles in compression. The specimens reflect elements made of carbon fibre reinforced laminate (CFRP). Thin-walled columns with a square cross-section were made from 4 layers of composite in 3 different combinations of layer arrangements. Advanced numerical analyses have been carried out. In the first stage of the study, a buckling analysis of the structure was performed. In further numerical simulations, two advanced models were used simultaneously: the Progressive Failure Analysis (PFA) and the Cohesive Zone Model (CZM). The results showed significant differences between the critical load values for each layer configuration. The forms of buckling and the areas of damage initiation and evolution were also dependent on the applied layup.
Źródło:
Applied Computer Science; 2022, 18, 2; 43--55
1895-3735
Pojawia się w:
Applied Computer Science
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-4 z 4

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