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A Numerical Study of Granular Dam-Br...

Pophet, Nuttita.

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A Numerical Study of Granular Dam-Break Flows.

Record Type:	Electronic resources : Monograph/item
Title/Author:	A Numerical Study of Granular Dam-Break Flows./
Author:	Pophet, Nuttita.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2019,
Description:	136 p.
Notes:	Source: Dissertations Abstracts International, Volume: 81-03, Section: B.
Contained By:	Dissertations Abstracts International81-03B.
Subject:	Computational physics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13880994
ISBN:	9781085635189

A Numerical Study of Granular Dam-Break Flows.
Pophet, Nuttita.

A Numerical Study of Granular Dam-Break Flows. - Ann Arbor : ProQuest Dissertations & Theses, 2019 - 136 p.

Source: Dissertations Abstracts International, Volume: 81-03, Section: B.

Thesis (Ph.D.)--The University of Mississippi, 2019.

This item must not be sold to any third party vendors.

Granular flows are mass movements of mixtures of solid particles and interstitial fluid. Examples include landslides, debris flows and tailings dam-break flows. These types of flows are often catastrophic events, and cover a wide range of phenomena of interest to both scientists and engineers. The mechanical properties of granular materials and the hydraulic behavior of the flows originate from solid and fluid phases, their distribution and interaction. Understanding the behavior of these types of flows and developing reliable predictive models are important.A new coupled model is developed in this work to be applied to the study of dam-break flows of solid-fluid mixture. The model is built by coupling solid-fluid mixture flow model, and porous media flow model. The emphasis of this study is on both dry granular flows where the interstitial fluid plays no significant role in the dynamic of the flows, and saturated granular flows. The homogeneous theory is adopted for the dry cases while the mixture model is used for the saturated cases. In the mixture model, a separate response between the solid and fluid phases is accounted for. The response from the fluid phase is obtained from the porous flow model through a coupling algorithm. New modules for constitutive relations and boundary conditions are developed together with a library for manipulating a simulation run. The model is validated through comparisons of the numerical results with laboratory experiments. The reproduction of granular dam-break flows is analysed and discussed.

ISBN: 9781085635189Subjects--Topical Terms:

3343998
Computational physics.
Subjects--Index Terms:

Dam-break flow

A Numerical Study of Granular Dam-Break Flows.
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020 $a 9781085635189
035 $a (MiAaPQ)AAI13880994
035 $a AAI13880994
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100 1 $a Pophet, Nuttita. $3 3543057
245 1 0 $a A Numerical Study of Granular Dam-Break Flows.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2019
300 $a 136 p.
500 $a Source: Dissertations Abstracts International, Volume: 81-03, Section: B.
500 $a Advisor: Altinakar, Mustafa.
502 $a Thesis (Ph.D.)--The University of Mississippi, 2019.
506 $a This item must not be sold to any third party vendors.
506 $a This item must not be added to any third party search indexes.
520 $a Granular flows are mass movements of mixtures of solid particles and interstitial fluid. Examples include landslides, debris flows and tailings dam-break flows. These types of flows are often catastrophic events, and cover a wide range of phenomena of interest to both scientists and engineers. The mechanical properties of granular materials and the hydraulic behavior of the flows originate from solid and fluid phases, their distribution and interaction. Understanding the behavior of these types of flows and developing reliable predictive models are important.A new coupled model is developed in this work to be applied to the study of dam-break flows of solid-fluid mixture. The model is built by coupling solid-fluid mixture flow model, and porous media flow model. The emphasis of this study is on both dry granular flows where the interstitial fluid plays no significant role in the dynamic of the flows, and saturated granular flows. The homogeneous theory is adopted for the dry cases while the mixture model is used for the saturated cases. In the mixture model, a separate response between the solid and fluid phases is accounted for. The response from the fluid phase is obtained from the porous flow model through a coupling algorithm. New modules for constitutive relations and boundary conditions are developed together with a library for manipulating a simulation run. The model is validated through comparisons of the numerical results with laboratory experiments. The reproduction of granular dam-break flows is analysed and discussed.
590 $a School code: 0131.
650 4 $a Computational physics. $3 3343998
650 4 $a Geophysics. $3 535228
650 4 $a Hydrologic sciences. $3 3168407
650 4 $a Hydraulic engineering. $3 613609
650 4 $a Civil engineering. $3 860360
650 4 $a Water resources management. $3 794747
653 $a Dam-break flow
653 $a Granular flow
653 $a Numerical modeling
653 $a Solid-fluid mixture
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690 $a 0543
690 $a 0388
690 $a 0218
690 $a 0595
690 $a 0373
710 2 $a The University of Mississippi. $b Engineering Science. $3 2093190
773 0 $t Dissertations Abstracts International $g 81-03B.
790 $a 0131
791 $a Ph.D.
792 $a 2019
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=13880994