Software: Symposia

2011 FLAC/DEM Symposium

Summary Papers Presentations Proceedings

The Symposium

Itasca hosted the 2nd International FLAC/DEM Symposium on 14-16 February 2011 in Melbourne, Australia. The conference featured topics and discussions covering the spectrum of Itasca software: FLAC, FLAC/Slope, FLAC3D, UDEC, 3DEC, PFC2D, and PFC3D. This conference, in considering all the codes, offered a complete look at the state of numerical modeling with Itasca software.

Organized by

David Sainsbury, Roger Hart, Christine Detournay and Michele Nelson

Click the plus sign to see all papers from a session.

Session 1: Keynotes

Grand challenges in Earth Resources Engineering – and some implications for Rock Mechanics and Rock Engineering

C. Fairhurst

Lattice method for modeling brittle, jointed rock

P.A. Cundall

Session 2: Mining

A historical review of the development of numerical cave propagation simulations

B. Sainsbury, D.P. Sainsbury & M. Pierce

Investigation of extreme deformation at the N3500 Project

D.P. Sainsbury & A. Grubb

A systematic approach to rock mechanics challenges at Xstrata Zinc Brunswick Mine

A. Bazgard, M. Verreault, P. Andrieux & C.P. O'Connor

Detailed three-dimensional stress analysis of complex orebody geometry – model setup and results for the Malmberget Mine

F. Perman, J. Sjöberg & C. Dahnér

Forensic analysis of a rock burst event at the Kiirunavaara Mine – results and implications for the future

J. Sjöberg, C. Dahnér, F. Perman & L. Malmgren

Analysis on deformation and failure of surface borehole and casing due to coal extraction

T. Wang, Q. Lv, M. Grenon, Y. Li, C. Jiang & C. Yang

Use of FLAC3D for mining induced seismicity prediction

V.V. Nazimko & K.V. Babenko

Session 3: Tunnel Support and Design

Remedial design of steel arch support for an ore pile tunnel using FLAC

A.G. Corkum, L. Lorig & M. Ruest

Numerical analysis of twin road tunnels using two- and three-dimensional modeling techniques

E.H. Ghee, B.T. Zhu & D.R. Wines

Advanced numerical modeling in tunnel design – example of a major project in the UK

C.S. Goit, A. Kovács & A.H. Thomas

Underground tramway passage under a railway station at Viroflay

E. Antoinet, M. Senís, D. Billaux & D. Genevey

Static behavior of a tunnel built in very soft clay

J.M. Mayoral & F.A. Flores

Estimation of tunnel squeezing in anisotropic stress fields using a FLAC-based neural network

D. DeGagné, A.G. Corkum & L. Lorig

UDEC modeling in granitic rocks

Á Váró, A. Kovács & C.J. Thomas

FLAC3D modeling of deep foundation pit excavation near a subway station

B. Liu, C. Yang, T. Li, Y. Han & Y. Zhou

Discontinuum rock mass modeling in tunneling

D.A.F. Oliveira & B. Indraratna

Session 4: Slope Stability

Stability of a massive embankment on a soft foundation subject to creep

B. Indraratna, N. Charue & G. Buchet

Geo-mechanical characterization and 3D numerical modeling of complex rock masses: a slope stability analysis in Italy

N. Sciarra, M. Calista, D. Marchetti, G. D’Amato Avanzi, A. Pochini & A. Puccinelli

Stability and deformation analysis of an anchored deep cut slope in fractured and jointed rock

E. Zhai

Numerical modeling of buckling rock movement

A.K. Alzo'ubi, C.D. Martin & O.S. Mughieda

The influence of three-dimensional kinematic controls on rock slope stability

M.A. Brideau & D. Stead

Session 5: Soil/Structure Interaction

Numerically established post-cracking response of a pile under horizontal loading

E.M. Comodromos & M.C. Papadopoulou

3DEC modeling of the effect of joints on lateral capacity of socketed pile in laboratory conditions

W.L. Chong, A. Haque, P.G. Ranjith & A. Shahinuzzaman

Study of soil resistance to rigid pile using DEM

D. Wang & T.M.H. Lok

Soft ground improved by rigid vertical piles: Numerical study of an experimental embankment

M.A. Nunez, D. Dias & L. Briancon

Three-dimensional analysis of micropile foundations using FLAC3D

E.G. Nezami, R.A. Mikhail & N.G. Salisbury

Modeling uplift of plate anchor

J.S. Shiau & M.A. Hobson

PFC2D analysis of H-V reinforcement on bearing capacity of sand-beds subjected to strip loading

J. Hou, M. Zhang & Z. Wang

Warf retaining wall geotechnical and structural capacity assessment

C. Dai

Calculation of lateral earth pressures with layered backfill

J.S. Shiau & C.A. Smith

Cap-Yield model with cohesion, back analysis of real excavations

A. Lucarelli, G. Guiducci, G. Furlani & R. Sorge

FLAC analysis of two-tiered cantilever embedded retaining walls

B. Ni

Session 6: Synthetic Rock Mass Modeling

Investigation of the Synthetic Rock Mass approach for the consideration of reservoir behavior

N. Thompson, D. Mas Ivars, H.T. Alassi & S. Pradhan

A comparison of physical and numerical experiments on artificial jointed rock masses using PFC3D

M. Bahaaddini, G. Sharrock & B. Hebblewhite

Numerical analysis of subsidence for Perseverance Deeps Block Cave

G. Sharrock, A. Vakili, P. Duplancic & N. Hastings

Explicit three-dimensional analysis of structurally-controlled unraveling in large excavations

P. Andrieux, A. Turichshev, L. Cotesta, J. Fedorowich & R.K. Brummer

Simulation of rock mass strength using Ubiquitous Joints in 3D

I.H. Clark

Session 7: Fracture Formation and Propagation

Numerical modeling of rock blasting: Validation tests for Blo-Up 2.5

J.K. Furtney, P.A. Cundall, I. Onederra & E. Sellers

Evaluation of PFC2D for modeling seismic monitoring of hydraulic fracture

A. Nabipour, B. Evans, T. Müller & M. Sarmadivaleh

A PFC2D simulation of hydraulic fracture and natural interface interaction

M. Sarmadivaleh, V. Rasouli & A. Nabipour

PFC2D simulation of directionality in rough fractures shear strength

M.S. Asadi & V. Rasouli

A continuum representation and validation of time-dependent crack growth behavior of brittle rock

J.Y. Wu, Y.S. Zhu & H.C. Zhu

Numerical modeling of restrained clay desiccation shrinkage using FLAC3D

B.M. Shannon, P. Rajeev & J.K. Kodikara

Use of UDEC interfaces to model cohesive cracks in geomaterials

J.K. Kodikara & A.L. Amarasiri

The fracture analysis of RC box-culvert by distinct element method

G.Q. Cao & K. Kawaji

Session 8: Material Behavior

Physical and numerical investigation of conglomeratic rocks

M.S. Akram, G. Sharrock & R. Mitra

Effects of grain shape on mechanical behaviors of granular material under plane strain condition in 3D DEM analyses

T. Sakakibara, S. Shibuya & S. Kato

The role of interstitial cement in synthetic conglomeratic rocks

M.S. Akram, G. Sharrock & R. Mitra

Parallel-bond refinements to match macroproperties of hard rock

D.O. Potyondy

Bonded particle model simulation of laboratory rock tests for granite using particle clumping and contact unbonding

J. Yoon, S. Jeon, A. Zang & O. Stephansson

PFC modeling and application of complex mechanic behaviors of Jinping marble

Y.S. Zhu, J.Y. Wu, H.C. Zhu, H. Li & G.T. Meng

Triaxial and cone penetration tests in a discrete analogue of Toyoura sand

N. Climent, J. Butlanska, M. Arroyo & A. Gens

Computer-aided calibration of PFC3D coal samples using a genetic algorithm

R. Garvey & U. Ozbay

Discrete Element Modeling of cylindrical cavity expansion of granular materials using PFC

Y. Geng, H. Yu & G. McDowell

Deformation mode and stress state in direct shear test

B.S. Kim, T. Sakakibara, S.W. Park & S. Kato

Simulations of elastic wave propagation using FLAC to optimize the measurement of shear wave velocity in the laboratory

Y. Ethier, M. Karray & G. Lefebvre

Session 9: Dynamic Analyses: Slopes and Dams

Comparison of dynamic response from equivalent-linear and cyclic non-linear models of hysteretic soil behavior

P.M. Strenk & J. Wartman

Seismic response and dynamic deformation analysis of Sar-Cheshmeh tailings dam

B. Ghahreman Nejad, H. Taiebat, C. Noske & D. Murphy

Dynamic behavior of a 170 m high rockfill dam on a highly seismic area

E. Yildiz & R. Güner

Effective stress dynamic deformation analysis of Hamata Tailings Dam

H. Jitno

Large-strain, rezoned-mesh FLAC analysis of embankment post-liquefaction performance

M.E. Jacka & P.D. Norfolk

Dynamic analysis of mountain response using PFC3D and FLAC3D

A. Bazgard, P.A. Cundall & T.R. Davies

Session 10: Dynamic Analyses: Underground Structures

DEM modeling techniques for dynamic analysis of ballasted railway track

A. Aikawa

Seismic analysis of large underground structures using FLAC3D

T. Gregor & R. Shobayry

Ground motion variability effects in the seismic response of an overpass

J.M. Mayoral, J.Z. Ramírez & F.A. Flores

Session 11: Tectonics

Implications of prescriptive boundaries for the investigation of tectonic processes

T.R. Harper

Improving rock stress measurements using stochastic numerical modeling of heterogeneity

M.H. Leite, R. Corthésy & V. Boivin

Analysis of the results of a DEM simulation using self-organizing maps

A. Miyakawa, T. Tsuji, Y. Yamada & T. Matsumoto

The analysis of stress-strain state of the earth’s crust of Dagestan inferred from GPS measurements

I.A. Garagash & A.V. Dubovskaya

Session 12: Coupled & Time-Dependent Processes

Coupling the lattice Boltzmann method with PFC. Part 1: Verification of LBM as a hydrodynamic code

Y. Han & P.A. Cundall

Coupling the lattice Boltzmann method with PFC. Part 2: Verification and simple applications of PFC-LBM coupling

Y. Han & P.A. Cundall

Discrete modeling of near-well thermo-mechanical behavior during CO2 injection

W.J. Shiu, F. Dedecker, X. Rachez & M. Peter-Borie

Discrete element modeling of the long term integrity of fault- and top seals at CO2 storage sites

J.H. ter Heege

Numerical analysis of methane migration from floor strata to a longwall face

M. Kwaśniewski

Numerical calculations for the design of a gas cavern in rock salt with FLAC3D

B. Leuger, K. Staudtmeister & D. Zapf

The role of particle breakage in soil creep

C.Y. Kwok & M.D. Bolton

Session 13: User-Defined Constitutive Models

Applications of the NTUA-SAND model for the seismic liquefaction analysis of geostructures

K.I. Andrianopoulos, A.G. Papadimitriou & G.D. Bouckovalas

Micro and macro modeling of erosion with grading effect on critical state

K. Maeda, D. Muir Wood & A. Kondo

Seismic stability analyses of a hydraulic fill dam using a critical state based soil model in FLAC & FLAC3D

F.G. Ma, Z.L. Wang & J. LaVassar

A parallel Iwan model for 3D cyclic loading of cohesive materials

E.M. Dawson

Fully non-linear dynamic analysis on post-liquefied sand based on modified Finn model

Y. Chen & Y. Liu

Implementation of an equivalent continuum constitutive model for rock masses with systematic joint sets in FLAC3D

A. Agharazi, D.D. Tannant & C.D. Martin

Factor of safety measure for Hoek-Brown material

C. Detournay, P. Varona & R. Hart

Modeling of Nevada Sand behavior using CHSOIL

C. Detournay, Z. Wang & Y. Han

Session 14: Numerical Techniques

Spatial searching and contact detection in PFC 5.0

M.D. Purvance, D. Russell, D.O. Potyondy & S. Emam

Automatic clump generation based on mid-surface

R. Taghavi

Modeling flow of fragmented rock with 3DEC: A polyhedral DEM approach

R. Taghavi & M. Pierce

Session 15: Material Handling

Application of DEM in the analysis of bulk solid interactions in belt conveying systems

D. Ilic, E. Naesgaard, A. Katterfeld & C.A. Wheeler

Coupling ANSYS and PFC3D for the simulation of the conveyor belt deflection

A. Katterfeld, M. Dratt & C.A. Wheeler

Comparative particle attrition study for transfer chutes using DEM

T.J. Donohue, D. Ilic & W. McBride

DEM study of a scale model bucket wheel reclaimer

T.J. Donohue, P. Robinson & C.A. Wheeler

Coupled discrete element and multibody simulation for analysis of the operation of construction machines

A. Katterfeld, G. Kunze & T. Grüning

Presentations

Itasca is happy to make available PDF conversions of the Powerpoint slide shows presented at the Symposium. If a paper found in the proceedings is not listed below, it means that either it was not given a formal presentation, or we did not receive the author's permission for it to appear online.

Session 1:

Grand challenges in Earth Resources Engineering – and some implications for Rock Mechanics and Rock Engineering [3,381K]

Lattice method for modeling brittle, jointed rock [1,461K]

Solving Today's Slope Stability Problems Using Tomorrow's Technology [3,695K]

Synthetic Rock Mass Modelling Some Findings & Future Directions [3,108K]

The Next Generation of Itasca Software [4,582K]

Session 2:

Forensic analysis of a rock burst event at the Kiirunavaara Mine – results and implications for the future [2,220K]

Analysis on deformation and failure of surface borehole and casing due to coal extraction [1,890K]

Session 3:

Remedial design of steel arch support for an ore pile tunnel using FLAC [1,128K]

Underground tramway passage under a railway station at Viroflay [2,733K]

Estimation of tunnel squeezing in anisotropic stress fields using a FLAC-based neural network [1,703K]

Session 4:

Numerical modeling of buckling rock movement [2,631K]

The influence of three-dimensional kinematic controls on rock slope stability [6,852K]

Session 5:

3DEC modeling of the effect of joints on lateral capacity of socketed pile in laboratory conditions [2,033K]

Study of soil resistance to rigid pile using DEM [1,246K]

Modeling uplift of plate anchor [2,074K]

Warf retaining wall geotechnical and structural capacity assessment [1,349K]

Calculation of lateral earth pressures with layered backfill [1,586K]

Cap-Yield model with cohesion, back analysis of real excavations [6,813K]

Session 6:

Investigation of the Synthetic Rock Mass approach for the consideration of reservoir behavior [1,648K]

A comparison of physical and numerical experiments on artificial jointed rock masses using PFC3D [1,218K]

Numerical analysis of subsidence for Perseverance Deeps Block Cave [3,324K]

Simulation of rock mass strength using Ubiquitous Joints in 3D [5,644K]

Session 7:

Numerical modeling of rock blasting: Validation tests for Blo-Up 2.5 [2,928K]

Evaluation of PFC2D for modeling seismic monitoring of hydraulic fracture [1,914K]

A PFC2D simulation of hydraulic fracture and natural interface interaction [2,215K]

PFC2D simulation of directionality in rough fractures shear strength [2,643K]

A continuum representation and validation of time-dependent crack growth behavior of brittle rock [1,292K]

Numerical modeling of restrained clay desiccation shrinkage using FLAC3D [1,810K]

Use of UDEC interfaces to model cohesive cracks in geomaterials [1,140K]

Session 8:

Physical and numerical investigation of conglomeratic rocks [975K]

The role of interstitial cement in synthetic conglomeratic rocks [1,320K]

Parallel-bond refinements to match macroproperties of hard rock [3,089K]

PFC modeling and application of complex mechanic behaviors of Jinping marble [1,343K]

Triaxial and cone penetration tests in a discrete analogue of Toyoura sand [1,179K]

Computer-aided calibration of PFC3D coal samples using a genetic algorithm [898K]

Session 9:

Comparison of dynamic response from equivalent-linear and cyclic non-linear models of hysteretic soil behavior [695K]

Dynamic behavior of a 170 m high rockfill dam on a highly seismic area [2,266K]

Large-strain, rezoned-mesh FLAC analysis of embankment post-liquefaction performance [2,087K]

Session 10:

Session 11:

Implications of prescriptive boundaries for the investigation of tectonic processes [898K]

Session 12:

Coupling the lattice Boltzmann method with PFC. Part 1: Verification of LBM as a hydrodynamic code [951K]

Discrete element modeling of the long term integrity of fault- and top seals at CO2 storage sites [2,561K]

Numerical calculations for the design of a gas cavern in rock salt with FLAC3D [2,058K]

Session 13:

A parallel Iwan model for 3D cyclic loading of cohesive materials [1,274K]

Fully non-linear dynamic analysis on post-liquefied sand based on modified Finn model [1,330K]

Implementation of an equivalent continuum constitutive model for rock masses with systematic joint sets in FLAC3D [1,241K]

Factor of safety measure for Hoek-Brown material [479K]

Modeling of Nevada Sand behavior using CHSOIL [515K]

Session 14:

Spatial searching and contact detection in PFC 5.0 [651K]

Automatic clump generation based on mid-surface [1,266K]

Modeling flow of fragmented rock with 3DEC: A polyhedral DEM approach [997K]

Session 15:

The Proceedings of the 2nd International FLAC/DEM Symposium are available directly from Itasca, in CD-ROM format only. CDs are $50 each, plus shipping and handling. To request a copy, download, complete and return this order form:

orderform-symp11.pdf