A Nonlinear Viscoelastic Rheological Model of Soft Soil Based on Fractional Order Derivative

Rui Duo Li; Jin Chao Yue; Cun Zhen Zhu; Zhen Yang Sun

doi:10.4028/www.scientific.net/AMM.438-439.1056

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 438-439A Nonlinear Viscoelastic Rheological Model of Soft...

A Nonlinear Viscoelastic Rheological Model of Soft Soil Based on Fractional Order Derivative

Abstract:

In order to overcome the defects of the classical model in the description of the rheological properties of soft soil, an Abel glue pot was defined based on the fractional derivative theory by the fractional calculus of Riemann-Liouville. Three components fractional order derivative solid model was built with Abel glue pot. Then the experimental data was fit using the new model. The simulation results show that the three components fractional order derivative solid model is more accurately than the generalized Kelvin model or Burgers model and that it has few parameters.

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Periodical:

Applied Mechanics and Materials (Volumes 438-439)

Pages:

1056-1059

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.438-439.1056

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Online since:

October 2013

Authors:

Rui Duo Li, Jin Chao Yue, Cun Zhen Zhu, Zhen Yang Sun

Keywords:

Abel Glue Pot, Creep, Soft Soil, Three Components Fractional Order Derivative Solid Model

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