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Lattice-Boltzmann Method for Geophysical Plastic Flows

Leonardi, Alessandro / Wittel, Falk K. / Mendoza, Miller / Herrmann, Hans J.

We explore possible applications of the Lattice-Boltzmann Method for the simulation of geophysical flows. This fluid solver, while successful in other fields, is still rarely used for geotechnical applications. We show how the standard method can be modified to represent free-surface realization of mudflows, debris flows, and in general any plastic flow, through the implementation of a Bingham constitutive model. The chapter is completed by an example of a full-scale simulation of a plastic fluid flowing down an inclined channel and depositing on a flat surface. An application is given, where the fluid interacts with a vertical obstacle in the channel.

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Lattice-Boltzmann Method for Geophysical Plastic Flows

Leonardi, Alessandro / Wittel, Falk K. / Mendoza, Miller / Herrmann, Hans J.

We explore possible applications of the Lattice-Boltzmann Method for the simulation of geophysical flows. This fluid solver, while successful in other fields, is still rarely used for geotechnical applications. We show how the standard method can be modified to represent free-surface realization of mudflows, debris flows, and in general any plastic flow, through the implementation of a Bingham constitutive model. The chapter is completed by an example of a full-scale simulation of a plastic fluid flowing down an inclined channel and depositing on a flat surface. An application is given, where the fluid interacts with a vertical obstacle in the channel.

Lattice-Boltzmann Method for Geophysical Plastic Flows

Leonardi, Alessandro / Wittel, Falk K. / Mendoza, Miller / Herrmann, Hans J.

We explore possible applications of the Lattice-Boltzmann Method for the simulation of geophysical flows. This fluid solver, while successful in other fields, is still rarely used for geotechnical applications. We show how the standard method can be modified to represent free-surface realization of mudflows, debris flows, and in general any plastic flow, through the implementation of a Bingham constitutive model. The chapter is completed by an example of a full-scale simulation of a plastic fluid flowing down an inclined channel and depositing on a flat surface. An application is given, where the fluid interacts with a vertical obstacle in the channel.

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Title:

Lattice-Boltzmann Method for Geophysical Plastic Flows

Additional title:

Springer Ser.Geomech.,Geoengineer.

Contributors:

Wu, Wei (editor) / Leonardi, Alessandro (author) / Wittel, Falk K. (author) / Mendoza, Miller (author) / Herrmann, Hans J. (author)

Published in:

Recent Advances in Modeling Landslides and Debris Flows ; Chapter: 12 ; 131-140

Springer Series in Geomechanics and Geoengineering

Publication date:

2015-01-01

Size:

10 pages

ISBN:

978-3-319-11053-0 , 978-3-319-11052-3

ISSN:

1866-8763 , 1866-8755

DOI:

https://doi.org/10.1007/978-3-319-11053-0_12

Type of media:

Article/Chapter (Book)

Type of material:

Electronic Resource

Language:

English

Keywords:

mudflow , debris flow , non-Newtonian , Bingham , Lattice-Boltzmann Engineering , Geoengineering, Foundations, Hydraulics , Geotechnical Engineering & Applied Earth Sciences

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