Hydraulic and thermal conduction phenomena in soils at the particle-scale

Towards realistic FEM simulations

G. A. Narsilio, Tae Sup Yun, J. Kress, T. M. Evans

Research output: Contribution to journalConference article

4 Citations (Scopus)

Abstract

This paper summarizes a method to characterize conduction properties in soils at the particle-scale. The method set the bases for an alternative way to estimate conduction parameters such as thermal conductivity and hydraulic conductivity, with the potential application to hard-to-obtain samples, where traditional experimental testing on large enough specimens becomes much more expensive. The technique is exemplified using 3D synthetic grain packings generated with discrete element methods, from which 3D granular images are constructed. Images are then imported into the finite element analyses to solve the corresponding governing partial differential equations of hydraulic and thermal conduction. High performance computing is implemented to meet the demanding 3D numerical calculations of the complex geometrical domains. The effects of void ratio and inter-particle contacts in hydraulic and thermal conduction are explored. Laboratory measurements support the numerically obtained results and validate the viability of the new methods used herein. The integration of imaging with rigorous numerical simulations at the pore-scale also enables fundamental observation of particle-scale mechanisms of macro-scale manifestation.

Original languageEnglish
Article number012086
JournalIOP Conference Series: Materials Science and Engineering
Volume10
Issue number1
DOIs
Publication statusPublished - 2014 Jan 1
Event9th World Congress on Computational Mechanics, WCCM 2010, Held in Conjuction with the 4th Asian Pacific Congress on Computational Mechanics, APCOM 2010 - Sydney, Australia
Duration: 2010 Jul 192010 Jul 23

Fingerprint

Hydraulics
Soils
Finite element method
Hydraulic conductivity
Finite difference method
Contacts (fluid mechanics)
Partial differential equations
Macros
Thermal conductivity
Imaging techniques
Computer simulation
Testing
Hot Temperature

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Engineering(all)

Cite this

@article{b9f4440759434e3aafab385ffd2d2630,
title = "Hydraulic and thermal conduction phenomena in soils at the particle-scale: Towards realistic FEM simulations",
abstract = "This paper summarizes a method to characterize conduction properties in soils at the particle-scale. The method set the bases for an alternative way to estimate conduction parameters such as thermal conductivity and hydraulic conductivity, with the potential application to hard-to-obtain samples, where traditional experimental testing on large enough specimens becomes much more expensive. The technique is exemplified using 3D synthetic grain packings generated with discrete element methods, from which 3D granular images are constructed. Images are then imported into the finite element analyses to solve the corresponding governing partial differential equations of hydraulic and thermal conduction. High performance computing is implemented to meet the demanding 3D numerical calculations of the complex geometrical domains. The effects of void ratio and inter-particle contacts in hydraulic and thermal conduction are explored. Laboratory measurements support the numerically obtained results and validate the viability of the new methods used herein. The integration of imaging with rigorous numerical simulations at the pore-scale also enables fundamental observation of particle-scale mechanisms of macro-scale manifestation.",
author = "Narsilio, {G. A.} and Yun, {Tae Sup} and J. Kress and Evans, {T. M.}",
year = "2014",
month = "1",
day = "1",
doi = "10.1088/1757-899X/10/1/012086",
language = "English",
volume = "10",
journal = "IOP Conference Series: Materials Science and Engineering",
issn = "1757-8981",
publisher = "IOP Publishing Ltd.",
number = "1",

}

Hydraulic and thermal conduction phenomena in soils at the particle-scale : Towards realistic FEM simulations. / Narsilio, G. A.; Yun, Tae Sup; Kress, J.; Evans, T. M.

In: IOP Conference Series: Materials Science and Engineering, Vol. 10, No. 1, 012086, 01.01.2014.

Research output: Contribution to journalConference article

TY - JOUR

T1 - Hydraulic and thermal conduction phenomena in soils at the particle-scale

T2 - Towards realistic FEM simulations

AU - Narsilio, G. A.

AU - Yun, Tae Sup

AU - Kress, J.

AU - Evans, T. M.

PY - 2014/1/1

Y1 - 2014/1/1

N2 - This paper summarizes a method to characterize conduction properties in soils at the particle-scale. The method set the bases for an alternative way to estimate conduction parameters such as thermal conductivity and hydraulic conductivity, with the potential application to hard-to-obtain samples, where traditional experimental testing on large enough specimens becomes much more expensive. The technique is exemplified using 3D synthetic grain packings generated with discrete element methods, from which 3D granular images are constructed. Images are then imported into the finite element analyses to solve the corresponding governing partial differential equations of hydraulic and thermal conduction. High performance computing is implemented to meet the demanding 3D numerical calculations of the complex geometrical domains. The effects of void ratio and inter-particle contacts in hydraulic and thermal conduction are explored. Laboratory measurements support the numerically obtained results and validate the viability of the new methods used herein. The integration of imaging with rigorous numerical simulations at the pore-scale also enables fundamental observation of particle-scale mechanisms of macro-scale manifestation.

AB - This paper summarizes a method to characterize conduction properties in soils at the particle-scale. The method set the bases for an alternative way to estimate conduction parameters such as thermal conductivity and hydraulic conductivity, with the potential application to hard-to-obtain samples, where traditional experimental testing on large enough specimens becomes much more expensive. The technique is exemplified using 3D synthetic grain packings generated with discrete element methods, from which 3D granular images are constructed. Images are then imported into the finite element analyses to solve the corresponding governing partial differential equations of hydraulic and thermal conduction. High performance computing is implemented to meet the demanding 3D numerical calculations of the complex geometrical domains. The effects of void ratio and inter-particle contacts in hydraulic and thermal conduction are explored. Laboratory measurements support the numerically obtained results and validate the viability of the new methods used herein. The integration of imaging with rigorous numerical simulations at the pore-scale also enables fundamental observation of particle-scale mechanisms of macro-scale manifestation.

UR - http://www.scopus.com/inward/record.url?scp=84907709988&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84907709988&partnerID=8YFLogxK

U2 - 10.1088/1757-899X/10/1/012086

DO - 10.1088/1757-899X/10/1/012086

M3 - Conference article

VL - 10

JO - IOP Conference Series: Materials Science and Engineering

JF - IOP Conference Series: Materials Science and Engineering

SN - 1757-8981

IS - 1

M1 - 012086

ER -