A CIRCULAR SECTOR VIBRATION SYSTEM IN A POROUS MEDIUM

Guangqing Feng

DOI Number
10.22190/FUME230428025F
First page
Last page

Abstract


A circular sector is commonly used in a linkage mechanism, and its frequency property plays an important role in optimization of the linkage mechanism. Fast insight into its vibration property with simple calculation is very meaningful in scientific research. This paper studies the vibration of the circular sector in a porous medium (e.g. water), and a fractal-fractional oscillator is established using the two-scale fractal derivative. He’s frequency formula and Ma’s modification are used to elucidate the circular sector’s periodic property in a porous medium, the results show that the fractal dimension of the porous medium plays an important role in vibration attenuation.

Keywords

He’s frequency formula, Ma’s modification, Circular sector oscillator, Fractal variational theory, Two-scale transform

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References


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ISSN: 2335-0164 (Online)

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