Continuum modeling of rate-dependent granular flows in SPH

doi:10.1007/s40571-016-0132-5

Title: Continuum modeling of rate-dependent granular flows in SPH

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In this paper, we discuss a constitutive law for modeling rate-dependent granular flows that has been implemented in smoothed particle hydrodynamics (SPH). We model granular materials using a viscoplastic constitutive law that produces a Drucker–Prager-like yield condition in the limit of vanishing flow. A friction law for non-steady flows, incorporating rate-dependence and dilation, is derived and implemented within the constitutive law. We compare our SPH simulations with experimental data, demonstrating that they can capture both steady and non-steady dynamic flow behavior, notably including transient column collapse profiles. In conclusion, this technique may therefore be attractive for modeling the time-dependent evolution of natural and industrial flows.

Authors:

Hurley, Ryan C. ^[1] ; Andrade, José E. ^[2]

California Inst. of Technology (CalTech), Pasadena, CA (United States). Division of Engineering and Applied Sciences
Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Publication Date:: 2016-09-13

Report Number(s):: LLNL-JRNL-692800
Journal ID: ISSN 2196-4378

Grant/Contract Number:: AC52-07NA27344

Type:: Accepted Manuscript

Journal Name:: Computational Particle Mechanics

Additional Journal Information:: Journal Volume: 4; Journal Issue: 1; Journal ID: ISSN 2196-4378

Research Org:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Org:: USDOE

Country of Publication:: United States

Language:: English

Subject:: 42 ENGINEERING; 58 GEOSCIENCES

OSTI Identifier:: 1406446


                    Hurley, Ryan C., and Andrade, José E.. Continuum modeling of rate-dependent granular flows in SPH.  United States: N. p.,  
        Web.  doi:10.1007/s40571-016-0132-5.

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                    Hurley, Ryan C., & Andrade, José E.. Continuum modeling of rate-dependent granular flows in SPH.  United States.  doi:10.1007/s40571-016-0132-5.

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                    Hurley, Ryan C., and Andrade, José E.. 2016.  
        "Continuum modeling of rate-dependent granular flows in SPH".  United States.  
        doi:10.1007/s40571-016-0132-5.  https://www.osti.gov/servlets/purl/1406446.

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@article{osti_1406446,

  title        = {Continuum modeling of rate-dependent granular flows in SPH},

  author       = {Hurley, Ryan C. and Andrade, José E.},

  abstractNote = {In this paper, we discuss a constitutive law for modeling rate-dependent granular flows that has been implemented in smoothed particle hydrodynamics (SPH). We model granular materials using a viscoplastic constitutive law that produces a Drucker–Prager-like yield condition in the limit of vanishing flow. A friction law for non-steady flows, incorporating rate-dependence and dilation, is derived and implemented within the constitutive law. We compare our SPH simulations with experimental data, demonstrating that they can capture both steady and non-steady dynamic flow behavior, notably including transient column collapse profiles. In conclusion, this technique may therefore be attractive for modeling the time-dependent evolution of natural and industrial flows.},

  doi          = {10.1007/s40571-016-0132-5},

  journal      = {Computational Particle Mechanics},

  number       = 1,

  volume       = 4,

  place        = {United States},

  year         = {2016},

  month        = {9}

}

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Free Publicly Accessible Full Text
Accepted Manuscript (DOE)
Publisher's Version of Record
10.1007/s40571-016-0132-5
https://doi.org/10.1007/s40571-016-0132-5

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Title: Continuum modeling of rate-dependent granular flows in SPH

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