Vibration attenuation and frequency shifting of beam structures using single and multiple dynamic absorbers in the parallel

• Autorzy: Jabbar Faris A. , Rao Putti Srinivasa

Identyfikatory

DOI

10.24425/ame.2023.146851

• Języki publikacji: EN

Abstrakty

EN

The finite element method (FEM) using Ansys program (APDL) was used in this study to evaluate the idea of tuned vibration absorbers applied to a beam construction for the undamped system. The ideal location for the Dynamic Vibration Absorbers (DVAs) and their numbers to be installed on the fixed-fixed beam in order to lessen beam vibration was also investigated. The DVA was coupled to the fixed-fixed beam vibration node for three vibration modes. The natural frequency and frequency response of the beam were calculated in this study using modal and harmonic analysis, respectively. The vibrational characteristics of the F-F beam with and without DVAs were presented. The simulation results demonstrated that the vibration amplitude decreases in the presence of the DVAs and its reduction depends on the locations of the DVAs and its number. In addition, the attached DVAs affect the structural beam vibration. Depending on the modes of vibration, the vibrational peak is the optimal place to attach DVA.

Słowa kluczowe

EN

Dynamic Vibration Absorbers (DVA); Beam; Finite Element Analysis (FEA)

PL

Dynamiczne amortyzatory drgań (DVA); Belka; Analiza elementów skończonych (MES)

• Wydawca: Komitet Budowy Maszyn PAN
• Czasopismo: Archive of Mechanical Engineering
• Rocznik: 2023
• Tom: LXX, nr 4
• Strony: 457–--480
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Jabbar Faris A.

• Department of Mechanical Engineering, Andhra University, Visakhapatnam, India.
• Technical Institute of Al-Dewaniyah, Al-Furat Al-Awsat Technical University (ATU), Al- Dewaniyah, Iraq

• https://orcid.org/0000-0001-5107-2870

autor

Rao Putti Srinivasa

• Department of Mechanical Engineering, Andhra University, Visakhapatnam, India

• https://orcid.org/0000-0003-1379-4906

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