Numerical analysis of an auxetic anti-tetrachiral sandwich panel subjected to steady-state harmonic base motion

• Autorzy: Michalski Jakub , Stręk Tomasz

Identyfikatory

DOI

10.21008/j.0860-6897.2022.3.23

• Języki publikacji: EN

Abstrakty

EN

In this paper, the authors show the results of numerical simulations representing the test of an aluminum sandwich panel with an auxetic anti-tetrachiral core on an exciter. Steady-state vibration analyses utilizing modal superposition (linear dynamics) were performed. The bottom of the panel had all the degrees of freedom constrained and excitation in form of base acceleration in the vertical direction was applied. The obtained results were in form of contour plots of selected output variables in the frequency domain. In addition, curves showing the variation of acceleration, velocity and displacement of a selected representative point in frequency were generated. The results were compared with those obtained for the panel with a non-auxetic core, in the form of a standard hexagonal honeycomb. It was found that the auxetic panel is not superior in the whole range of frequencies but a workflow useful in the design of sandwich panels for operating conditions involving vibrations was developed.

Słowa kluczowe

EN

steady state dynamics; auxetic; sandwich panel; base motion; finite element analysis

PL

dynamika stanu ustalonego; auksetyk; płyta warstwowa; analiza elementów skończonych

• Wydawca: Poznan University of Technology. Institute of Applied Mechanics
• Czasopismo: Vibrations in Physical Systems
• Rocznik: 2022
• Tom: Vol. 33, nr 3
• Strony: art. no. 2022323
• Opis fizyczny: Bibliogr. 21 poz., il. kolor., rys., wykr.

Twórcy

autor

Michalski Jakub

• Poznan University of Technology, Institute of Applied Mechanics, ul. Jana Pawla II 24, 60-965 Poznan

• https://orcid.org/0000-0003-3170-6391

autor

Stręk Tomasz

• Poznan University of Technology, Institute of Applied Mechanics, ul. Jana Pawla II 24, 60-965 Poznan

• https://orcid.org/0000-0002-2411-8236

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).