A complex systems approach to granular rheology: interconnecting topology, stability, dynamics and function

Stress flow analysis of bio-structures using the finite element method and the flow network approach

RR Patel, D Valles, GA Riveros, DS Thompson, EJ Perkins, JJ Hoover, JF Peters, A Tordesillas

2018-12-01

Bio-structures have been optimized by nature to possess remarkable resiliency and strength yet retain a light-weight composition. ..

A data-driven complex systems approach to early prediction of landslides

Antoinette Tordesillas, Zongzheng Zhou, Robin Batterham

2018-09-01

Landslides are a common natural disaster that claims countless lives and causes huge devastation to infrastructure and the environ..

A computational geometry approach to pore network construction for granular packings

Joost H van der Linden, Adnan Sufian, Guillermo A Narsilio, Adrian R Russell, Antoinette Tordesillas

2018-03-01

Pore network construction provides the ability to characterize and study the pore space of inhomogeneous and geometrically complex..

Of cuts and cracks: Data analytics on constrained graphs for early prediction of failure in cementitious materials

S Kahagalage, A Tordesillas, M Nitka, J Tejchman

2017-06-30

Using data from discrete element simulations, we develop a data analytics approach using network flow theory to study force transm..

Powder keg divisions in the critical state regime: Transition from continuous to explosive percolation

Z Zhou, A Tordesillas

2017-06-30

The underlying microstructure and dynamics of a dense granular material as it evolves towards the "critical state", a limit state ..

Self-organization in the localised failure regime: Metastable attractors and their implications on force chain functionality

S Pucilowski, A Tordesillas, G Froyland

2017-06-30

In transitive metastable chaotic dynamical systems, there are no invariant neighbourhoods in the phase space. The best that one ca..

A MODEL OF GRANULAR MATERIALS PARTIALLY CEMENTED BY BACTERIAL CALCITE

Elaheh Kashizadeh, Abhijit Mukherjee, Antoinette Tordesillas

2017-01-01

Spatial Connectivity of Force Chains in a Simple Shear 3D Simulation Exhibiting Shear Bands

David M Walker, Antoinette Tordesillas, Matthew R Kuhn

2017-01-01

Force chains within a granular material are the major load carriers responsible for the strength of a material. The authors study ..

Testing Occam's razor to characterize high-order connectivity in pore networks of granular media: Feature selection in machine learning

J Van Der Linden, A Tordesillas, G Narsilio

2017-01-01

© The Authors, published by EDP Sciences, 2017. A perennial challenge for the characterization and modelling of phenomena involvin..

Machine learning framework for analysis of transport through complex networks in porous, granular media: A focus on permeability

Joost H van der Linden, Guillermo A Narsilio, Antoinette Tordesillas

2016-08-17

We present a data-driven framework to study the relationship between fluid flow at the macroscale and the internal pore structure,..

Granular vortices: Identification, characterization and conditions for the localization of deformation

Antoinette Tordesillas, Sebastian Pucilowski, Qun Lin, John F Peters, Robert P Behringer

2016-05-01

We relate the micromechanics of vortex evolution to that of force chain buckling and, on this basis, formulate the conditions for ..

A characterization of the coupled evolution of grain fabric and pore space using complex networks: Pore connectivity and optimized flows in the presence of shear bands

Scott Russell, David M Walker, Antoinette Tordesillas

2016-03-01

A framework for the multiscale characterization of the coupled evolution of the solid grain fabric and its associated pore space i..

Network flow model of force transmission in unbonded and bonded granular media

Antoinette Tordesillas, Steven T Tobin, Mehmet Cil, Khalid Alshibli, Robert P Behringer

2015-06-08

An established aspect of force transmission in quasistatic deformation of granular media is the existence of a dual network of str..

Shear bands as bottlenecks in force transmission

Antoinette Tordesillas, Sebastian Pucilowski, Steven Tobin, Matthew R Kuhn, Edward Ando, Gioacchino Viggiani, Andrew Druckrey, Khalid Alshibli

2015-06-01

The formation of shear bands is a key attribute of degradation and failure in soil, rocks, and many other forms of amorphous and c..

Structural templates of disordered granular media

David M Walker, Antoinette Tordesillas, Jie Zhang, Robert P Behringer, Edward Ando, Gioacchino Viggiani, Andrew Druckrey, Khalid Alshibli

2015-02-01

Granular materials, in common with many complex systems, exhibit a range of self-organization processes that control their mechani..

Evolution of mesoscopic granular clusters in comminution systems: a structural mechanics model of grain breakage and force chain buckling

Antoinette Tordesillas, Enlong Liu

2015-01-01

A major scientific challenge in establishing a micromechanics theory for complex materials is the characterisation and modelling o..

Micromechanical analysis of second order work in granular media

F Nicot, N Hadda, F Bourrier, L Sibille, A Tordesillas, F Darve

2015-01-01

This paper examines the evolution of instabilities in granular materials from a microscopic point of view, using the discrete elem..

Self-assembly in a near-frictionless granular material: conformational structures and transitions in uniaxial cyclic compression of hydrogel spheres

David M Walker, Antoinette Tordesillas, Nicolas Brodu, Joshua A Dijksman, Robert P Behringer, Gary Froyland

2015-01-01

We use a Markov transition matrix-based analysis to explore the structures and structural transitions in a three-dimensional assem..

Micromechanics of vortices in granular media: connection to shear bands and implications for continuum modelling of failure in geomaterials

Antoinette Tordesillas, Sebastian Pucilowski, David M Walker, John F Peters, Laura E Walizer

2014-08-25

SUMMARY: Recent analysis of data from triaxial tests on sand and discrete element simulations indicate the final pattern of failur..

Stick-slip and force chain evolution in a granular bed in response to a grain intruder

Antoinette Tordesillas, James E Hilton, Steven T Tobin

2014-04-25

The mechanical response of granular beds under applied stresses is often characterized by repeated cycles of stick-slip. Using the..

Micromechanics of elastic buckling of a colloidal polymer layer on a soft substrate: experiment and theory

Antoinette Tordesillas, David Carey, Andrew B Croll, Jingyu Shi, Bekele Gurmessa

2014-04-01

We study the buckling instability of a colloidal particle layer adhered to an elastic substrate using an integrated experimental a..

Mesoscale and macroscale kinetic energy fluxes from granular fabric evolution

David M Walker, Antoinette Tordesillas, Gary Froyland

2014-03-21

Recent advances in high-resolution measurements means it is now possible to identify and track the local "fabric" or contact topol..

A complex systems analysis of stick-slip dynamics of a laboratory fault

David M Walker, Antoinette Tordesillas, Michael Small, Robert P Behringer, Chi K Tse

2014-03-01

We study the stick-slip behavior of a granular bed of photoelastic disks sheared by a rough slider pulled along the surface. Time ..

Examining overlapping community structures within grain property networks

David M Walker, Antoinette Tordesillas

2014-01-01

Granular materials (e.g., geological materials, powders and grains) when subjected to shear or compression deform through grain re..

Transmission of kinematic information in dense granular systems: local and nonlocal network sensing

David M Walker, Antoinette Tordesillas, Amy L Rechenmacher

2013-10-01

We study how kinematic information propagates in plane strain compression tests for two granular samples, one comprising glass bea..

Revisiting localized deformation in sand with complex systems

Antoinette Tordesillas, David M Walker, Edward Ando, Gioacchino Viggiani

2013-04-08

Complex systems techniques are used to analyse X-ray micro-CT measurements of grain kinematics in Hostun sand under triaxial compr..

Directed network topologies of smart grain sensors

David M Walker, Antoinette Tordesillas, Tomomichi Nakamura, Toshihiro Tanizawa

2013-03-11

We employ a recent technique for building complex networks from time series data to construct a directed network embodying time st..

Characterizing chaotic dynamics from simulations of large strain behavior of a granular material under biaxial compression

Michael Small, David M Walker, Antoinette Tordesillas, Chi K Tse

2013-03-01

For a given observed time series, it is still a rather difficult problem to provide a useful and compelling description of the und..

Multiscale resolution of networks of granular media network evolution - A network of networks

DM WALKER, A TORDESILLAS, AL RECHENMACHER, M SMALL

2013-01-01

Unitary Stick-Slip Motion in Granular Beds

JE Hilton, PW Cleary, A Tordesillas

2013-01-01

Multiscale characterisation of diffuse granular failure

Antoinette Tordesillas, Sebastian Pucilowski, Luc Sibille, Francois Nicot, Felix Darve

2012-12-21

We study the evolution of structure inside a deforming, cohesionless granular material undergoing failure in the absence of strain..

Transition dynamics and magic-number-like behavior of frictional granular clusters.

Antoinette Tordesillas, David M Walker, Gary Froyland, Jie Zhang, Robert P Behringer

2012-07-01

Force chains, the primary load-bearing structures in dense granular materials, rearrange in response to applied stresses and strai..

The frictionless rolling contact of a rigid circular cylinder on a semi-infinite granular material

A Tordesillas, J Shi

2000-01-01

Fractional indentation of dilatant granular materials

A Tordesillas, J Shi

1999-01-01

Velocity field for the punch problem for dilatant granular materials

JM Hill, J Shi, A Tordesillas, YH Wu

1999-01-01

The use of the dimensionless Womersley number to characterize the unsteady nature of internal flow.

C Loudon, A Tordesillas

1998-03-07

Dimensionless numbers are very useful in characterizing mechanical behavior because their magnitude can often be interpreted as th..

Indentation of a double shearing dilatant granular material by a smooth rigid wedge

A Tordesillas, J Shi

1998-01-01

The symmetrical adhesive contact problem for circular elastic cylinders

JM Hill, AA Tordesillas

1992-01-01

Three-dimensional frictionless contact between layered elastic bodies and incorporating sharp edges

AA Tordesillas, JM Hill

1991-07-01

The pressure distribution for symmetrical contact of circular elastic cylinders

JM Hill, A Tordesillas

1989-11-01