Welcome to

CTAC2004

 

 

The 12th Biennial Computational Techniques and Applications Conference

27 September - 1 October 2004

The University of Melbourne
Victoria Australia

Final Programme

The conference program will consist of six keynote addresses by significant international and local invited speakers and four parallel sessions comprising approximately 100 contributed talks over three days from Monday 27th September to Wednesday 29th September 2004. Contributions can also be made by poster presentation.

All theatres are fully equipped with audio visual facilities including O/H projectors, data projectors, DVD/CD/VHS players, PC & Mac, whiteboard and slide projector. If you have further questions about AV available please email ctac-2004@unimelb.edu.au.

Contributed paper presentations will be 20 minutes including questions while keynote presentations will be 55 minutes including questions.

Workshops will be held on Thursday 30 September and Friday 1 October 2004.

Click here for printable version of programme

Sunday 26 September

1730

to

1930

Welcome Reception & Registration
**NOTE CHANGE OF VENUE**

Rydges Carlton Hotel
701 Swanston Street, Carlton

Monday 27 September

0800

Registration (Arts Hall)

0900

Opening (PLT)

Professor Jannie van Deventer
Dean Of Engineering

0930

Gary Leal (PLT)

Computational Studies in Materials Research
Chair: David Boger

1025

Morning Tea (Arts Hall)

PLT

Theatre A

Theatre B

Theatre D

Chair

Gary Leal
Lutz Gross
Rolf Jeltsch
Ian Turner

Droplets
Parallel algorithms
CFD modelling I
PDE algorithms

1100

Tsai

Axisymmetric thermocapillary motion of a deformable fluid droplet in an insulated tube.

Coope

A parallel Jacobi algorithm for derivative-free optimisation on parallel or distributed processors.

Xiao

CFD prediction of fire-induced hot gases in buildings.

F. Liu

Analysis of a discrete non-Markovian random walk approximation for the time fractional diffusion equation.

1120

Harvie

A numerical parametric study of droplet deformation through a microfluidic contraction.

Hardy

Parallel realisation of monotone domain decomposition algorithms for nonlinear reaction-diffusion problems.

H. Li

The three-dimensional CFD analysis of flow behaviours in a complex twin-screw supercharger.

Mustapha

A fully discrete quadrature method for quasi-linear hyperbolic problems.

1140

Davidson

Flow focusing in microchannels.

Leak

Optimisation of a spline-based Eulerian-Lagrangian transport solver.

Erakovic

CFD Modelling of slasher with single and double counter rotating blades using sliding mesh technique.

Shen

Error analysis of an explicit finite difference approximation for the space fractional diffusion equation with insulated ends.

1200

Rosengarten

Using CFD to study the effect of contact angle on microdroplet deformation.

Kartawidjaja

Performance of a parallel technique for solving stiff ODEs using an implicit Runge-Kutta method.

Madhan

Weight reduction of radial fan impeller using ANSYS.

Jalil

On Hamiltonian circuited solvers for elliptic partial differential equations.

1220

Lunch

1330

Robert Anderssen (PLT)

Inverse Problems: A Pragmatist's Approach to the Recovery of Information from Indirect Measurements

Chair: Mike Osborne

PLT

Theatre A

Theatre B

Theatre D

Chair

Lance Bode
Stephen Roberts
Ravi Prakash
Ian Coope

Porous Media
Optimisation
Biological modelling I
HPC

1425

Read

Series solutions for steady seepage in three dimensional aquifers.

Osborne

Polyhedral function constrained optimization problems.

Haji

Modelling the rheology of muscle contraction using a Kohlrausch function.

Sinclair

HPC guided geometric optimisation of turbulent airflow.

1445

Lobo

A boundary element method for infiltration from irrigation channels in a soil with impermeable inclusions.

Yeh

A hybrid quasi Monte Carlo method for estimating the reliability of the multistate-node acyclic network.

Watanabe

Numerical study on microbial depolymerizaion process of exogenous type.

Quenette

An investigation into design for code maintainability in HPC.

1505

Knight

Using multipole solutions to compute linearised steady soil water flow around systems of obstacles.

Price

Direct search optimisation methods using grids and frames.

Gross

Software infrastructure for solving non-linear partial differential equations and its application to modeling crustal fault systems.

1525

Afternoon Tea (Arts Hall)
The following POSTER SESSION will be held during Afternoon Tea in ARTS HALL
:

Coates

The use of Discrete Element Method (DEM) modelling to study the de-agglomeration of pharmaceutical dry powders for inhalation.

Wolynec

The molecular orbitals of the open-shell system of the methyl free radical as determined by dual space analysis.

Laureano

Using meta-inference with Prolog to preserve accuracy in numerical equation solving.

PLT

Theatre A

Theatre B

Theatre D

Chair

Tsemin Tsai
John Belward
Wayne Read
Gary Rosengarten

Fluid interface algorithms
Function approximation I
Environment modelling
Droplets & acoustics

1555

H. Tang

A multiphase tracking method for modelling the interfacial flow of two immiscible liquids in mixing process.

Hegland

Additive models in high dimensions.

Sampson

Modelling the effect of proposed channel deepening on the tides in Port Phillip Bay.

Oberman

Drying of a liquid droplet suspended in its own vapour.

1615

Walkley

Adaptive finite element simulation of three-dimensional surface-tension-dominated free-surface flow problems.

Stals

Discrete thin plate splines.

Lee

Numerical solutions of the incompressible Navier-Stokes equations for shallow water flows.

Brett

Numerical investigation of acoustic waves scattering off a circular cylinder.

1635

Harvie

An analysis of parasitic current generation in Volume of Fluid simulations.

Tularam

An assessment of the capability of finite element solvers in simulating saltwater intrusion.

Khaleghi

Comparison of various droplet break-up models in gas-liquid flows.

Sponsor Session (PLT) – Chair: Bill Appelbe

1700

IBM (Gold Sponsor)

1730

CRAY

1800

Free Drinks (Arts Hall)

Tuesday 28 September

0900

Paul MacKerras (PLT)

Linux on PowerPC

Chair: Bill Appelbe

0955

Mark Cross (PLT)

A Perspective on the Current Status of the Challenges in the Computational Modelling of Fluids Interacting with other Physical Phenomena

Chair: Malcolm Davidson

1050

Morning Tea (Arts Hall)

PLT

Theatre A

Theatre B

Theatre D

Chair

Steven Carnie
Dalton Harvie
Wei-Chang Yeh
Carsten Fredericksen

Industrial modelling
Multiphase/multi-physics
Algorithms I
Data analysis

1120

A. Khan

Numerical modeling of the effect of operating parameters in the plastic blown film process.

Slone

A novel approach to a complex multi-physics problem- high speed impact.

Donoho

A fast wavelet algorithm for image deblurring.

Donovan

Visualising energy data.

1140

Tarnopolskaya

Instability in lateral dynamics of a metal strip in cold rolling.

Muthuswamy

Bridging the gap between discrete and continuum simulations of particulate solids.

Muradova

Numerical technique for some linear and nonlinear eigenvalue problems in the theory of elasticity.

Smith

Propellor blade signatures in the wavelet domain.

1200

Ooi

Coupled nonlinear oscillations of microbubbles.

A. Roberts

Higher order accuracy in the gap-tooth scheme for large scale solutions using microscopic simulators.

L. Zhang

A new adaptive GMRES(m) algorithm with correction.

Taylor

The optimal sample length to use when calculating transfer functions from discrete experimental data.

1220

Walsh

The thermomechanical formulation of finite element schemes for micropolar continua.

Stokes

Incomplete Uzawa methods applied to both FEM and SPH solutions of the Navier-Stokes equations.

Maindonald

Using cross-validation to avoid selection bias in the graphical representation of high-dimensional data.

1240

Lunch

1340

Chaoqun Liu (PLT)

High Performance Computation for DNS/LES
Chair: Jiyuan Tu

PLT

Theatre A

Theatre B

Theatre D

Chair

Yury Stepanyants
Gennadiy Nikishkov
Markus Hegland
Mark Walkley

CFD applications I
Transport solvers I
Function approximation II
Thin films

1435

Tian

Large eddy simulation indoor airflow and contaminant concentration.

Moroney

A new finite volume method incorporating radial basis functions for simulating diffusion.

J.Belward

On estimating errors for gradient approximations in surface interpolation.

Bennett

Interior layer structure in the Newtonian blown film.

1455

Gollan

Computations of radiating expansion tube flows for simulation of planetary entry.

Resnyansky

Use of Riemann solvers for multi-phase modelling.

S. Roberts

Dimensional data fitting using sparse grid functions.

Carnie

Modelling of drop-drop interactions in an Atomic Force Microscope.

1515

Troxler

Inverse aerodynamic shape design of gas turbine blades.

Ilic

Approximating functions of a large sparse positive definite matrix function using a spectral splitting method.

Momoniat

Lie group analysis and numerical solutions of thin film flow driven by gravity, surface tension and surface shear.

1535

Afternoon Tea (Arts Hall)

Chair

Denis Evans
Masaji Watanabe
Nick Stokes

Computational chemistry
Biological modelling II
Series solutions

1605

J. Zhang

Non-equilibrium molecular dynamics simulation of transport properties for inhomogeneous fluids.

Tan

A numerical simulation of avascular tumour growth.

 

S.Belward

Update schemes enhancing stability and effciency of series solution methods to subcritical flow over topography.

1625

Sunthar

A successive fine graining approach for predicting the rheological properties of a dilute polymer solution.

Ruengsakulrach

Steady and unsteady blood flow simulations in the mouse aortic arch.

 

Higgins

Generating series solutions to flow over topography in real time.

1645

Prabhakar

Fast and accurate mesoscale models of dilute polymer solutions.

1705

CTAC Annual General Meeting (Theatre A)

1900 for 1930

Conference Dinner (University House)

Wednesday 29 September

0900

Denis Evans (PLT)

The Fluctuation Theorem: Simulation, Theory and Experiment
Chair: Derek Chan

PLT
Theatre A
Theatre B
Theatre D

Chair

Peter Jacobs
Bevan Thompson
Shaun Belward
Steven Armfield

CFD applications II
Numerical linear algebra
Algorithms II
Misc. fluid flow

0955

B. Tang

Simulation of a turbulent premixed open v-shaped flame using contour advection with surgery.

N. Li

Some remarks on the inverse eigenvalue problem for real symmetric Toeplitz matrices.

Sneddon

The method of particular solutions for the Helmholtz equation.

Griffith

The effect of semi-circular blockages on the laminar two-dimensional flow between two flat plates.

1015

Mirzaei

Drag optimization for axisymetric afterbodies with jet plume using CFD.

Wood

Alternative methods for identication of an M-matrix.

Tenne

Approximate solvers combining Gaussian elimination and the conjugate directions algorithm.

Virahsawmy

Computation of flow behind three side-by-side cylinders of unequal spacing.

1035

Yeoh

Flow instability prediction in low-pressure subcooled boiling flows using CFD codes.

Kentaro

A new scheme of computing the preconditioner for the Schur-complements.

McBain

Two-point boundary value problems, Green's functions and product integration.

Yazdi

Pressure-velocity coupled finite volume solution of steady inviscid flow using articial compressibility technique.

1055

Morning Tea (Arts Hall)

Chair

Fawang Liu
Robert Anderssen
Anatoly Resnyansky
Mark Cross

Transport solvers II
Inverse problems
Structural modelling
CFD modelling II

1125

Armfield

A comparison of staggered and non-staggered grid Navier-Stokes solutions for the 8:1 cavity natural convection flow.

Blyth

Sloan iteration and Richardson extrapolation for Walsh series solutions of integral equations.

Ngo

Finite element analysis of wing-engine assembly.

Leahy

A 2-dimensional CFD model for heap bioleaching of copper-sulphides.

1145

Ivers

A spectral method for solution of the heat equation in spheroidal geometries.

J. Liu

An adjoint approach for a variational method for numerical differentiation.

Gershkovich

The identification of vibration modes with closely spaced frequencies from experimental data.

Crawford

Influence of bottom boundary conditions for temperature on the heat distribution within oxidising heaps.

1205

Nikishkov

Finite element algorithm with adaptive quadtree-octree mesh refinement.

Andrew

Asymptotic correction and inverse eigenvalue problems.

Mahmud

The development of computational model in performing mode of failure analysis on composite plates.

Date

Optimising the design of a centrifugal reaction turbine rotor using CFD(Fluent).

1225

Ramezani

A fast implicit method for numerical simulation of compressible flow on unstructured grids.

Anderson

Regularisation functionals for a class of inverse problems in rough surface scattering.

Kuntjoro

Computer program development of truss structural configuration optimisation.

1245

Lunch

PLT

Theatre A

Theatre B

Theatre D

Chair

Tony Roberts
David Smith
Bill Blyth
Chaoqun Liu

Model selection
Geophysical fluids
Long time integration
DNS

1345

Prvan

Thin film models in a stochastic setting.

Frederiksen

A method for extracting coupled patterns of predictable and chaotic components of covariability in pairs of climate variables.

Grazier

Long simulations of the solar system: Brouwer's Law and chaos.

O'Neill

DNS study of the tropology of forced isotropic turbulence with passive scalar transport.

1405

Hudson

A quasi-random approach to fitting hereditary tree models to DNA data.

O'Kane

The statistical dynamics of nonlinear wave-turbulence interactions in two-dimensional barotropic flow.

Tse

Can classical methods be volume preserving?

Soria

Examination of optical experimental fluid mechanics methodologies using direct numerical simulation of turbulence data.

1425

Mouser

Comparing genetic algorithms and particle swarm optimisation for an inverse problem exercise.

Thompson

Kotz type innovations in autoregressive modeling of meteorological series.

Grazier

Brouwer's law is attainable.

Wissink

Separating, transitional flow affected by various inflow oscillation regimes.

1445

Booth

Simulation and modelling of gene switches.

Bode

Nonlinear extension to a reef parameterisation scheme.

Grimm

Geometric integrators that conserve Lyapunov functions.

Palymskiy

Direct numerical simulation of turbulent Benard convection.

1505

Afternoon Tea (Arts Hall)

PLT

Theatre A

Theatre B

Theatre D

Chair

Jan Wissink
Rob May
Andrew Ooi
John Knight

Spectral elements
Particulate flows

1535

Stewart

Energy and wake transitions of an oscillating cylinder in low Reynolds number flow.

Lesmono

Optimal strategies in political election.

M. Khan

Dispersion of particles injected through an impinging vertical round jet.

Vijayan

Performance analysis of vapour compression refrigeration system and the design of heat exchanger accumulator.

1555

Sheard

Computing the flow past a cylinder with free hemisperical ends.

Abelman

Angular deviation of light rays that emerge from optometric prism: near linear behaviour of nonlinear phenomena.

Kuan

CFD simulation of dilute particulate flows with different solid size distributions on a curved 90 degree duct bend.

Lu

A hybrid two-dimension DP and DDDP for the daily optimal operation in the Three-Gorges cascaded hydroelectric systems.

1615

Fitzgerald

Vortex breakdown state selection as a metastable process.

Stokes

The role of contour integration and recurrence relations in rapid evaluation of integral transforms.

M. Khan

Entrainment behaviour of particles induced by a liquid film developed on a half-submerged rotary drum.

1635

Leontini

Modelling vortex-induced vibration with multi-frequency oscillation at low Reynolds number.

Sudharsan

Non-linear interaction of gravity waves with an underwater elastic structure.

1655

Close (PLT)

 

WORKSHOPS

Thursday 30 September

Complex Fluids

Seminar Room, ICT Building

Convenor:  Malcolm Davidson, Steven Carnie

8.30 - 9.00 Registration

9.00 Programme begins

Roger Tanner - Aspects of Computing with High Viscoelasticity

Derek Chan
- Effective simulation methods for highly charged polymers


11.00-11.30 Coffee Break

Murray Rudman
- Modelling of multi-phase systems with complex interfaces


12.30-13.30 Lunch

Justin Cooper-White
- Simple' fluids in 'simple' flows: drop formation, deformation and impact on solid surfaces


J. Ravi Prakash
- Unravelling the dynamics of polymer solutions in extensional flows


15.30-16.00 Coffee Break

Malcolm Davidson
- Pendant drop formation of shear thinning and yield stress fluids


17.00 Close

 

High Performance Computing

Lecture Theatre, ICT Building

Convenor:  Bill Appelbe


8.30 - 9.00 Registration

9.00 Programme begins

Traditional scientic computing was done using hand-written Fortran or Cprograms, running on a single processor. Over the past few years,scientific computing has evolved rapidly in both hardware, software, andtools. This workshop will discuss the current state of the art inscientific computing, emerging trends, and our experiences in scientificsoftware development at VPAC over the past 5 years. The workshop will bedivide into 4 sections. Sections will be given by one or more VPAC staff. Each section will include time for open discussion and attendees to shareexperiences

9.00 - 12.00 Sections 1 & 2 (coffee break 10.30 - 11.00)

Hardware, Operating Systems, and Grid Computing
- Processors: from Intel, AMD, IBM, SUN, and Cray; relativeperformance
- Clusters vs Shared Memory Multiprocessors
- The re-emergence of vector processors
- Operating systems - LINUX vs the rest
- Schedulers - PBS, Torque, and others
- Grid computing - when is it effective, and will it ever become mainstream

Parallel Programmming - Design and Implementation
- Common pitfalls in writing parallel programs
- Designing and tuning parallel programs
- MPI vs OpenMP
- Debugging and maintaining parallel programs - regression and unittesting and scripting

12.00 - 13.30 Lunch

13.30 - 16.30 Sections 3 & 4 (coffee break 15.00 - 15.30)

Software Libraries and Tools
- PETSc and other libraries
- Version control and configuration management
- Documentation and collaboration tools: doxygen, and wiki pages
- Visulization tools and libraries

Software Packages (primarily CFD)
- Trends in CFD tools and packages
- CFP packages compared - Fluent, StarCD, and CFX
- Common pitfalls using CFD tools
- Meshing, and meshing tools

 

Friday 1 October

Solidification and Melting

Lecture Theatre, ICT Building

Convenor:  Mohammed El Ganaoui, Graham de Vahl Davis, Eddie Leonardi

8.00 - 8.30 Registration

8.30 - 9.00 Introduction of the workshop
Graham de Vahl Davis, Eddie Leonardi, Mohammed El Ganaoui

9.00 - 10.30 Session 1: Microgravity research and applications
Chair: Graham de Vahl Davis

9.00 Keynote :
French micro-gravity program: experiments and models Roger Prud'homme. Laboratoire de Modélisation en Mécanique, Université Pierre et Marie Curie/CNRS-France.

9.50 Facility Overview and Current Research Programs at the Phenomena in Microgravity Laboratory. T. Steinberg, The University of Queensland, Brisbane, Australia.

10.10 An experimental and numerical study of smoke movement in a simple enclosure, under micro-gravity conditions. T. Barber, The University of New South Wales, Sydney, Australia.

10.30 - 11.00 Coffee Break

11.00 - 12.30 Session 2: Transport phenomena and phase change
Chair: Eddie Leonardi

11.00 Keynote : Dynamical interaction of fluid flow in the formation of interface microstructure in directional solidification of alloys. N. Bergeon,
B. Billia, N. Mangelinck, H. Nguyen Thi, G. Reinhart and C. Weiss. L2MP, CNRS UMR 6137, University Aix-Marseille III, Marseille, France.

11.50 Convection and Phase change modelling in microchannels. R. Bennacer and M. El Ganaoui, University de Cergy-Pontoise, University of Limoges France.

12.10 Casting Simulations Using Smoothed Particle Hydrodynamics: Recent Advances and Future Directions. M. Prakash, P. Cleary and J. Ha, CSIRO Mathematical and Information Sciences, Melbourne, Australia.

12.30 - 14.00 Lunch

14.00 - 15.30 Session 3: Morphological growth and minor effects
Chair: Mohammed El Ganaoui

14.00 Keynote : Convective patterns on columnar or equiaxed dendritic structures during directional solidification of Al based alloys relevance of microgravity experiments.
M.D. Dupouy. EPM/CNRS/INPG, BP 95 38402 ST Martin d'Hères, France.

14.50 Thermosolutal convection during melting in a porous media saturated with aqueous solution. F. Oueslati, G. R. Vieira, H. Sammouda and R. Bennacer. L.E.T.T.M, Faculté des Sciences de Tunis, Tunisia. Catholic University of Petropolis - Brazil and University de Cergy-Pontoise, France.15.10 Analytical study of the thermo transport (Soret effect) during the transient, diffusion controlled directional solidification. R. Bennacer, University de Cergy-Pontoise, France.

15.10 Analytical study of the thermo transport (Soret effect) during the transient, diffusion controlled directional solidification. R. Bennacer, University de Cergy-Pontoise, France

15.30 - 16.00 Coffee Break

16.00 - 17.00 Session 3: Round table discussion on Australasian/Europe collaboration

 

Dispersed Multiphase Flows

Seminar Room, ICT Building

Convenor:  Jiyuan Tu

8.30 - 9.00

Registration and welcome

9.00 - 10.00 "Fundamentals of numerically modeling particle-laden multiphase flows" By Professor Mark Cross, University of Greenwich
10.00 - 11.00 "Numerically modeling of gas-liquid flows with or without heat and mass transfer" By Guan Yeoh, ANSTO
11.00 - 11.30 Morning Tea
11.30 - 12.30 "CFD modeling of industrial multiphase flows" By Dr Phil Schwarz, CSIRO
12.30 - 2.00 Lunch
2.00 - 3.00 "Modeling of dispersed multiphase flows in other applications" By Associate Professor Jiyuan Tu, RMIT University
3.00 - 3.30 Afternoon Tea
3.30 - 5.00 Panel discussion - Issues and Perspectives

"Numerical modeling of dispersed multiphase flows and experimental validation"

Coordinator: Dr Jiyuan Tu
Professor Mark Cross, Dr Guan Yeoh, Dr Phil Schwarz, Dr William Yang

3.40 - 4.00 Guest Speaker
Experimental modeling of dispersed multiphase flows for CFD validation
By Dr William Yang, CSRIO
5.00 Close

 


Proceedings

A refereed proceedings will be published after the conference in the Electronic Supplement of the ANZIAM Journal (http://anziamj.austms.org.au/).

Acceptance of papers for inclusion in the proceedings will be determined by peer review.

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Organised by

Computational Mathematics Group
of the Australian Mathematics Society