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Wyszukujesz frazę "composite laminate" wg kryterium: Temat


Wyświetlanie 1-3 z 3
Tytuł:
Ply thickness tolerances in stacking sequence optimization of multilayered laminate plates
Autorzy:
Latalski, J.
Powiązania:
https://bibliotekanauki.pl/articles/279654.pdf
Data publikacji:
2013
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
laminate composite structures
optimization
manufacturing tolerances
robust design
structural stability
Opis:
The paper deals with the impact of manufacturing tolerances of plies thicknesses on optimal design of multi-layered laminated plates in compression. It is assumed that the considered tolerances are represented by the maximum acceptable deviation of every individual ply thickness from its nominal design value. The robustness of the optimum is achieved diminishing the buckling load amplitude factor by the product of arbitrary assumed tolerances and appropriate sensitivities. The discussed optimization problem is solved numerically by the direct enumeration method. The proposed approach is illustrated with examples of the rectangular multi-layered laminated plate design under uni- and biaxial compression. The achieved results emphasise the robustness of the proposed method compared to the approaches with ignored tolerances.
Źródło:
Journal of Theoretical and Applied Mechanics; 2013, 51, 4; 1039-1052
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Vibration damping characteristics of the cork-based composite material in line to frequency analysis
Autorzy:
Karpenko, Mykola
Nugaras, Justas
Powiązania:
https://bibliotekanauki.pl/articles/2200833.pdf
Data publikacji:
2022
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
composite material
cork
frequency
laminate structure
vibration testing
Opis:
The conducted research suggests possibility of replacing extruded polystyrene with a renewable cork-based material in laminated composite structures. Different fractions of the cork-based material of a composite laminate have been applied. The composites have been tested employing a hammer-focused vibration method. Conforming to obtained results, the cork-based material of smaller fraction has damping properties similar to those of the extruded polystyrene composite. Integrating cork into the structure of the composite has the opportunity to develop a more eco-friendlier and sustainable product and to improve the adaptive properties of passive control systems used for vibration damping applications operating in the middle and high frequency zones.
Źródło:
Journal of Theoretical and Applied Mechanics; 2022, 60, 4; 593--602
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Hygrothermoelastic buckling response of composite laminates by using modified shear deformation theory
Autorzy:
Kazemi, M.
Powiązania:
https://bibliotekanauki.pl/articles/949126.pdf
Data publikacji:
2018
Wydawca:
Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
Tematy:
angle-ply laminate
buckling
composite plate
finite element method
shear deformation theory
Opis:
In this study, a finite element based formulation is developed for analyzing the buckling and post-buckling of composite laminates subjected to mechanical and hygrothermal loads using Modified Hyperbolic Shear Deformation Theory (MHSDT). The changes in the critical buckling load are presented for different lamination schemes, thicknesses, material properties and plate aspect ratios. In addition, post buckling analysis is performed for a composite plate subjected to uniform in-plane thermal and moisture induced loadings by using MHSDT. Matlab software has been used for programming the analysis. The results obtained by Matlab codes are in a satisfactory consistence compared to the references. Thus, the developed MHSDT has been validated for buckling and post buckling analysis of laminated plates in hygrothermal environment.
Źródło:
Journal of Theoretical and Applied Mechanics; 2018, 56, 1; 3-14
1429-2955
Pojawia się w:
Journal of Theoretical and Applied Mechanics
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-3 z 3

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