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外文期刊>Journal of Vibration and Acoustics
>Application of Dynamic Fractional Differentiation to the Study Of Oscillating Viscoelastic Medium With Cylindrical Cavity
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Application of Dynamic Fractional Differentiation to the Study Of Oscillating Viscoelastic Medium With Cylindrical Cavity
Oscillations of a viscoelastic medium with a cylindrical cavity are studied. The viscosity is taken into account in the form of an additional terms in the constitutive equation, proportional to a fractional derivative of variable order. In the considered examples the order function corresponds to dependences obtained for real materials. a damping effect is observed in the amplitude behavior. The field which determines the order function demonstrates the Viscoelastic behavior of the material under load.
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