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1

MODELLING HEAT AND MOISTURE TRANSFER IN UNSATURATED SOIL USING A FINITE DIFFERENCE SELF-IMPLICIT METHOD ON PARALLEL COMPUTERS

Thomas, Hywel Rhys, Li, Chi Leung Welkin

Journal:

International Journal for Numerical and Analytical Methods in Geomechanics

Year:

1997

Language:

english

File:

PDF, 426 KB

english, 1997

2

Nonisothermal Multicomponent Reactive Transport Model for Unsaturated Soil

Seetharam, Suresh Channarayapatna, Thomas, Hywel Rhys, Vardon, Philip James

Journal:

International Journal of Geomechanics

Year:

2011

Language:

english

File:

PDF, 385 KB

english, 2011

3

Three-Dimensional Field-Scale Coupled Thermo-Hydro-Mechanical Modeling: Parallel Computing Implementation

Vardon, Philip James, Cleall, Peter John, Thomas, Hywel Rhys, Philp, Roger Norman, Banicescu, Ioana

Journal:

International Journal of Geomechanics

Year:

2011

Language:

english

File:

PDF, 880 KB

english, 2011

4

The numerical simulation of seasonal soil drying in an unsaturated clay soil

Hywel Rhys Thomas, Stephen William Rees

Journal:

International Journal for Numerical and Analytical Methods in Geomechanics

Year:

1993

Language:

english

File:

PDF, 667 KB

english, 1993

5

Modelling transient heat and moisture transfer in unsaturated soil using a parallel computing approach

Hywel Rhys Thomas, Chi Leung Welkin Li

Journal:

International Journal for Numerical and Analytical Methods in Geomechanics

Year:

1995

Language:

english

File:

PDF, 1.05 MB

english, 1995

6

Underground coal gasification – A numerical approach to study the formation of syngas and its reactive transport in the surrounding strata

Zagorščak, Renato, An, Ni, Palange, Rupesh, Green, Michael, Krishnan, Murugesan, Thomas, Hywel Rhys

Journal:

Year:

2019

Language:

english

File:

PDF, 1.56 MB

english, 2019

7

Soil-water characteristic curves of clays

Tripathy, Snehasis, Tadza, Mohd Yuhyi M., Thomas, Hywel Rhys

Journal:

Canadian Geotechnical Journal

Year:

2014

Language:

english

File:

PDF, 1.01 MB

english, 2014

8

Modeling Field Infiltration into Unsaturated Clay

Rhys Thomas, Hywel, William Rees, Stephen

Journal:

Journal of Geotechnical Engineering

Year:

1990

Language:

english

File:

PDF, 915 KB

english, 1990

9

Simulating Seasonal Ground Movement in Unsaturated Clay

Rees, Stephen William, Thomas, Hywel Rhys

Journal:

Journal of Geotechnical Engineering

Year:

1993

Language:

english

File:

PDF, 879 KB

english, 1993

10

Simulation of repository gas migration in a bentonite buffer

Vardon, Philip James, Thomas, Hywel Rhys, Masum, Shakil Al, Chen, Qing, Nicholson, Duncan

Journal:

Proceedings of the ICE - Engineering and Computational Mechanics

Year:

2014

Language:

english

File:

PDF, 297 KB

english, 2014

11

Effects of subcritical and supercritical CO2 sorption on deformation and failure of high-rank coals

Zagorščak, Renato, Thomas, Hywel Rhys

Journal:

International Journal of Coal Geology

Year:

2018

Language:

english

File:

PDF, 3.82 MB

english, 2018

12

Underground coal gasification – A numerical approach to study the formation of syngas and its reactive transport in the surrounding strata

Zagorščak, Renato, An, Ni, Palange, Rupesh, Green, Michael, Krishnan, Murugesan, Thomas, Hywel Rhys

Journal:

Year:

2019

File:

PDF, 1.56 MB

2019

13

Dynamic transport and reaction behaviour of high-pressure gases in high-rank coal

Zagorščak, Renato, Thomas, Hywel Rhys

Journal:

Journal of Natural Gas Science and Engineering

Year:

2019

Language:

english

File:

PDF, 3.75 MB

english, 2019

14

Experimental study of methane-oriented gasification of semi-anthracite and bituminous coals using oxygen and steam in the context of underground coal gasification (UCG): Effects of pressure, temperature, gasification reactant supply rates and coal rank

Sadasivam, Sivachidambaram, ZagorÅ¡Äak, Renato, Thomas, Hywel Rhys, Kapusta, Krzysztof, StaÅczyk, Krzysztof

Journal:

Year:

2020

File:

PDF, 2.98 MB

2020

15

Experimental study of underground coal gasification (UCG) of a high-rank coal using atmospheric and high-pressure conditions in an ex-situ reactor

ZagorÅ¡Äak, Renato, Sadasivam, Sivachidambaram, Thomas, Hywel Rhys, StaÅczyk, Krzysztof, Kapusta, Krzysztof

Journal:

Year:

2020

File:

PDF, 2.59 MB

2020

16

Large-scale Experimental Investigations to Evaluate the Feasibility of Producing Methane-Rich Gas (SNG) through Underground Coal Gasification Process. Effect of Coal Rank and Gasification Pressure

Kapusta, Krzysztof, Wiatowski, Marian, StaÅczyk, Krzysztof, ZagorÅ¡Äak, Renato, Thomas, Hywel Rhys

Journal:

Year:

2020

File:

PDF, 8.33 MB

2020

17

A numerical investigation into the environmental impact of underground coal gasification technology based on a coupled thermal-hydro-chemical model

An, Ni, ZagorÅ¡Äak, Renato, Thomas, Hywel Rhys, Gao, Wu

Journal:

Journal of Cleaner Production

Year:

2020

File:

PDF, 134 KB

2020

18

An analysis of factors that govern the minimum time step size to be used in the finite element analysis of diffusion problems

Hywel Rhys Thomas, Zhengming Zhou

Journal:

International Journal for Numerical Methods in Biomedical Engineering

Year:

1998

Language:

english

File:

PDF, 123 KB

english, 1998

19

On the Inclusion of Some Biological Impacts and Influences in Coupled Transport Phenomena in Unsaturated Soil

Hywel Rhys Thomas, Suresh Channarayapatna Seetharam, Philip James Vardon

Journal:

Geotechnical and Geological Engineering

Year:

2011

Language:

english

File:

PDF, 432 KB

english, 2011

20

Pollutant transport and chemical effects

Thomas, Hywel Rhys, Cleall, Peter John

Journal:

Revue française de génie civil

Year:

2001

Language:

english

File:

PDF, 253 KB

english, 2001

21

Diffusive Reactive Transport of Multicomponent Chemicals Under Coupled Thermal, Hydraulic, Chemical and Mechanical Conditions

Hywel Rhys Thomas, Majid Sedighi, Philip James Vardon

Journal:

Geotechnical and Geological Engineering

Year:

2012

Language:

english

File:

PDF, 946 KB

english, 2012

22

Diffusion of organic contaminants in triple-layer composite liners: an analytical modeling approach

Xie, Haijian, Thomas, Hywel Rhys, Chen, Yunmin, Sedighi, Majid, Zhan, Tony Liangtong, Tang, Xiaowu

Journal:

Acta Geotechnica

Year:

2015

Language:

english

File:

PDF, 494 KB

english, 2015

23

Effects of Post-compaction Residual Lateral Stress and Electrolyte Concentration on Swelling Pressures of a Compacted Bentonite

Tripathy, Snehasis, Bag, Ramakrishna, Thomas, Hywel Rhys

Journal:

Geotechnical and Geological Engineering

Year:

2014

Language:

english

File:

PDF, 538 KB

english, 2014

24

Fully Coupled Analysis of Heat, Moisture, and Air Transfer in Unsaturated Soil

Thomas, Hywel Rhys, Sansom, Michael Robert

Journal:

Journal of Engineering Mechanics

Year:

1995

Language:

english

File:

PDF, 903 KB

english, 1995

25

Geoenvironmental Application of Bentonites in Underground Disposal of Nuclear Waste: Characterization and Laboratory Tests

Tripathy, Snehasis, Thomas, Hywel Rhys, Bag, Ramakrishna

Journal:

Journal of Hazardous Toxic and Radioactive Waste

Year:

2015

Language:

english

File:

PDF, 863 KB

english, 2015

26

Two-Dimensional Parallel Computing Solution of Coupled Heat and Moisture Flow in Unsaturated Soil

Thomas, Hywel Rhys, Li, Chi Leung Welkin

Journal:

Journal of Computing in Civil Engineering

Year:

1996

Language:

english

File:

PDF, 1.23 MB

english, 1996

27

Coupled Temperature/Capillary Potential Variations in Unsaturated Soil

Thomas, Hywel Rhys, King, Stephen Daniel

Journal:

Journal of Engineering Mechanics

Year:

1991

Language:

english

File:

PDF, 984 KB

english, 1991

28

Primary/Secondary Compression Solution Algorithm

Thomas, Hywel Rhys, Bendani, Karim

Journal:

Journal of Computing in Civil Engineering

Year:

1988

Language:

english

File:

PDF, 715 KB

english, 1988

29

Reactive Transport of Chemicals in Unsaturated Soils: Numerical Model Development and Verification

Sedighi, Majid, Thomas, Hywel Rhys, Vardon, Philip J

Journal:

Canadian Geotechnical Journal

Year:

2015

Language:

english

File:

PDF, 1.94 MB

english, 2015

30

Parallel Computing Solution of Coupled Flow Processes in Soil

Thomas, Hywel Rhys, Li, Chi Leung Welkin

Journal:

Journal of Computing in Civil Engineering

Year:

1991

Language:

english

File:

PDF, 948 KB

english, 1991

31

Colour and toxic characteristics of metakaolinite–hematite pigment for integrally coloured concrete, prepared from iron oxide recovered from a water treatment plant of an abandoned coal mine

Sadasivam, Sivachidambaram, Thomas, Hywel Rhys

Journal:

Journal of Solid State Chemistry

Year:

2016

Language:

english

File:

PDF, 1.59 MB

english, 2016

32

Experimental Study of the Klinkenberg Effect on the Gas Permeability of Coal

Zagorščak, Renato, Thomas, Hywel Rhys

Journal:

Diffusion Foundations

Year:

2017

Language:

english

File:

PDF, 1.72 MB

english, 2017

33

Precursor and dispersion effects of active species on the activity of Mn-Ce-Ti catalysts for NO abatement

Wang, Xiaobo, Zhou, Jie, Jiang, Caojian, Wang, Jia, Gui, Keting, Thomas, Hywel Rhys

Journal:

Korean Journal of Chemical Engineering

Year:

2019

File:

PDF, 8.28 MB

2019

34

Characterisation of the Contaminants Generated from a Large-Scale Ex-Situ Underground Coal Gasification Study Using High-Rank Coal from the South Wales Coalfield

Sadasivam, Sivachidambaram, ZagorÅ¡Äak, Renato, Thomas, Hywel Rhys, Kapusta, Krzysztof, StaÅczyk, Krzysztof

Journal:

Water, Air & Soil Pollution

Year:

2020

File:

PDF, 849 KB

2020

35

Effect of synthesis methods on FeâCe/Ti catalysts for selective catalytic reduction: the physicochemical properties and catalytic activity

Wang, Xiaobo, Fang, Qiuyue, He, Xuan, Wang, Jia, Gui, Keting, Thomas, Hywel Rhys

Journal:

Reaction Kinetics, Mechanisms and Catalysis

Year:

2020

File:

PDF, 870 KB

2020

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