Vibration Characteristics of Cylindrical Shell Vibration Absorber Based on ABAQUS

WANG Jiang-bo, QIANG Bao-min

Packaging Engineering ›› 2017 ›› Issue (17) : 112-117.

Packaging Engineering ›› 2017 ›› Issue (17) : 112-117.

Vibration Characteristics of Cylindrical Shell Vibration Absorber Based on ABAQUS

  • WANG Jiang-bo, QIANG Bao-min
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Abstract

The work aims to study the vibration characteristics of the cylindrical vibration absorber in cargo packaging. The material properties of the cylindrical vibration absorber were accurately modeled with the finite element software ABAQUS. The nephogram of the modal vibration type of the cylindrical vibration absorber in radial, transverse and circumferential directions and the corresponding inherent frequency were obtained by the modal analysis. Based on that, the influence of the elastic modulus and weight of the cargo on the vibration characteristics of the vibration absorber was studied. The natural vibration frequency of the vibration absorber was significantly improved with the increase in the elastic modulus and the weight of the cargo. In combination with the specific examples, the minimum natural vibration frequency of the vibration absorber without gravity extrusion was increased from the original 11.25 Hz to 19.51 Hz, and increased from 19.51 Hz to 31.24 Hz under gravity extrusion, so as to avoid the resonance. By changing the elastic modulus of the vibration absorber, the resonant load frequency range of the external excitation source can be effectively avoided.

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WANG Jiang-bo, QIANG Bao-min. Vibration Characteristics of Cylindrical Shell Vibration Absorber Based on ABAQUS[J]. Packaging Engineering. 2017(17): 112-117

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