http://espace.library.uq.edu.au/ The University of Queensland en Fez http://blogs.law.harvard.edu/tech/rss http://espace.library.uq.edu.au/view/UQ:197161 2010-03-01T00:00:00Z Asma, C og Paris, S. og Tirtey, S. og Thoemel, J og Chazot, O. http://espace.library.uq.edu.au/view/UQ:254172 The disposal oftailings has become a greater issue dueto the changing economics ofmineral extraction. The processing oflower grade deposits and tougher environmental regulations has led to the selection process for tailings disposal options becoming more complicated. Current selection methods are too time consuming or too easily manipulated for inexperienced users to use successfully. This paper examines a different method for the initial selection of a tailings disposal system, using a numerical system that was introduced into the mining method selection field. The numerical method system was compiled by reviewing previous work done on the positive and negative aspects of the tailings disposal methods usedby the coal and metallurgical mining industries. Assessing the common trends and design aspects of each of the methods was undertaken and a ranking was designed to explain how well suited the tailings disposal methods are to a situation. The tool successfully analysed sites using common data to indicate methods for disposal that would have provided minimal technical problems, low environmental risk and been practically possible. The tool also proved successful in identifying critical areas that would need further investigation. This new system was tested on some disaster case studies from around the world in order to show that it could have successfully selected a different method for tailings disposal that would have prevented the disaster. 2011-10-05T00:00:00Z Kizil, M. S. og Muller, B. http://espace.library.uq.edu.au/view/UQ:3330 2006-05-03T00:00:00Z Aminossadati, S. M. og Ghasemi, B. http://espace.library.uq.edu.au/view/UQ:165600 2009-03-02T00:00:00Z Cleary, M.J. og Kent, J.H. http://espace.library.uq.edu.au/view/UQ:57437 Nanocomposite materials have received considerable attention in recent years due to their novel properties. Grain boundaries are considered to play an important role in nanostructured materials. This work focuses on the finite element analysis of the effect of grain boundaries on the overall mechanical properties of aluminium/alumina composites. A grain boundary is incorporated into the commonly used unit cell model to investigate its effect on material properties. By combining the unit cell model with an indentation model, coupled with experimental indentation measurements, the ''effective'' plastic property of the grain boundary is estimated. In addition, the strengthening mechanism is also discussed based on the Estrin-Mecking model. 2007-08-13T00:00:00Z Huang, H og Bush, MB og Fisher, GV http://espace.library.uq.edu.au/view/UQ:8500 We have implemented Pullin's kinetic theory-based Equilibrium Flux Method [Pullin, J. Comput. Physics, 34:231-244, 1980] on a parallel supercomputer (the Intel iPSC Touchstonde Delta). We study the leeward flowfield of a blunt-nosed delta-wing at an angle of attack of 30 degrees and freestream Mach number of 8.7. The delta-wing sweep angle is 70 degrees. The freestream Reynolds number varies from 100,000 to 1,000,100 and the wing temperature is fixed at 300 K. Computational results are presented for a series of grids for both inviscid and laminar viscous flows. Of particular interest are the vortex and shock structures in the leeward flow that are evident only with the high grid resolution. Some experiences of developing a CFD code for a supercomputer are discussed. 2006-04-06T00:00:00Z Mallett, Edward R. og Pullin, Dale I. og Macrossan, Michael N. http://espace.library.uq.edu.au/view/UQ:180586 This article aims to numerically investigate mixed convection heat transfer in a two-dimensional horizontal channel with an open cavity. A discrete heat source is considered to be located on one of the walls of the cavity. Three different heating modes are considered which relate to the location of the heat source on three different walls (left, right and bottom) of the cavity. The analysis is carried out for a range of Richardson numbers and cavity aspect ratios. The results show that there are noticeable differences among the three heating modes. When the heat source is located on the right wall, the cavity with an aspect ratio of two has the highest heat transfer rate compared to other cavity heating modes. Moreover, when the heat source is located on the bottom wall, the flow field in the cavity with an aspect ratio of two experiences a fluctuating behaviour for Richardson number of 10. The results also show that at a fixed value of Richardson number, all three different heating modes show noticeable improvements in the heat transfer mechanism as the cavity aspect ratio increases. 2009-09-03T00:00:00Z Aminossadati, Saiied M. og Ghasemi, Behzad http://espace.library.uq.edu.au/view/UQ:201083 2010-03-29T00:00:00Z Aminossadati, Saiied M. og Ghasemi, B. http://espace.library.uq.edu.au/view/UQ:227828 2011-01-31T00:00:00Z Raisi, A. og Ghasemi, B. og Aminossadati, S.M. http://espace.library.uq.edu.au/view/UQ:247016 The effect of loading force, loading rate and unloading rate on the viscoelastic behavior of three representative polymers: poly(methyl methacrylate) (PMMA, amorphous polymer), polyvinylidene fluoride (PVDF, semicrystalline polymer), and epoxy (crosslinked polymer) have been investigated using nanoindentation. The results showed that the maximum indentation depth increased with the increase of loading force, and the relationship between loading force and depth became linear when the loading force is beyond 3000 μN. At the beginning, the plasticity index changed substantially with the increase of loading force, and after reaching a critical loading force, the plasticity index almost remained constant. The maximum indentation depth decreased with the increase of loading rate, which followed a power law curve. With the increase of loading rate, a plasticization phenomenon happened, and a possible reason is that the heat may accumulate and raise the local temperature. The plasticity index initially followed the power law with the increase of unloading rate and then almost remained constant. A constant, the change rate of viscoelastic properties with the unloading rate, for the three representative polymers studied in this research, around −0.033, has been obtained, which may be another manifestation of the phenomenon that many polymers have similar time/temperature shifts and that their WLF equation constants are approximately the same. 2011-09-04T00:00:00Z Tang, Xue-Gang og Hou, Meng og Truss, Rowan og Zou, Jin og Yang, Wei og Dong, Zhi-Gang og Huang, Han http://espace.library.uq.edu.au/view/UQ:278344 A two-parameter investigation into the effects oxygen enrichment has on combustion within a simplified scramjet engine was performed. The aim of this investigation is to quantify the influence of oxygen enrichment upon combustion efficiency over a range of fuelling conditions. This investigation utilised two-dimensional Reynolds-Averaged Navier- Stokes simulations at Mach 12 equivalent free stream conditions with multiple fuel equivalence ratios and enrichment percentages ranging between 0.8 – 1.4 and 0.0% - 20.0%, respectively. From these simulations it was found that oxygen enrichment produces notable gains in combustion efficiency due to both the presence of partially pre-mixed reactants and increases in the rate of mixing between reactant streams. 2012-07-31T00:11:22Z Petty, David J. og Wheatley, V. og Smart, M. K. http://espace.library.uq.edu.au/view/UQ:64888 Subcycling, or the use of different timesteps at different nodes, can be an effective way of improving the computational efficiency of explicit transient dynamic structural solutions. The method that has been most widely adopted uses a nodal partition. extending the central difference method, in which small timestep updates are performed interpolating on the displacement at neighbouring large timestep nodes. This approach leads to narrow bands of unstable timesteps or statistical stability. It also can be in error due to lack of momentum conservation on the timestep interface. The author has previously proposed energy conserving algorithms that avoid the first problem of statistical stability. However, these sacrifice accuracy to achieve stability. An approach to conserve momentum on an element interface by adding partial velocities is considered here. Applied to extend the central difference method. this approach is simple. and has accuracy advantages. The method can be programmed by summing impulses of internal forces, evaluated using local element timesteps, in order to predict a velocity change at a node. However, it is still only statistically stable, so an adaptive timestep size is needed to monitor accuracy and to be adjusted if necessary. By replacing the central difference method with the explicit generalized alpha method. it is possible to gain stability by dissipating the high frequency response that leads to stability problems. However. coding the algorithm is less elegant, as the response depends on previous partial accelerations. Extension to implicit integration, is shown to be impractical due to the neglect of remote effects of internal forces acting across a timestep interface. (C) 2002 Elsevier Science B.V. All rights reserved. 2007-08-14T00:00:00Z Daniel, W. J. T. http://espace.library.uq.edu.au/view/UQ:9908 EPSM is a particle simulation method for the simulation of the Euler equations. EPSM is used here as part of a hybrid EPSM/DSMC method for the simulation of near continuum flows. It is used where the flow gradients are not large and the flow is expected to be in an equilibrium state. The gradient of local mean free path has been used to detect those regions where EPSM can be invoked. Results are presented for the unsteady flow of a gas in a shock tube with Knudsen numbers in the initial state of 0.01 and 0.002 either side of the diaphragm (based on the length of the initial low-pressure region). The results for the hybrid method are very close to those for pure DSMC. The execution speed of the hybrid code is 1.75 times that of standard DSMC. 2005-02-15T00:00:00Z Macrossan, Michael N. http://espace.library.uq.edu.au/view/UQ:95336 2007-08-23T00:00:00Z Macrossan, M. N. http://espace.library.uq.edu.au/view/UQ:101869 2007-08-23T00:00:00Z Reid, A. W. og Chiodi, V. og Hall, A. S. og McAree, P. R. http://espace.library.uq.edu.au/view/UQ:204004 2010-04-22T00:00:00Z Nicola Sochacka og Walter, J. http://espace.library.uq.edu.au/view/UQ:119821 Fully developed forced convection through a porous medium bounded by two isoflux parallel plates is investigated analytically on the basis of a Brinkman-Forchheimer model. The matched asymptotic expansion method is applied for small values of the Darcy number. For the case of large Darcy number the solution for the Brinkman-Forchheimer momentum equation is found in terms of an asymptotic expansion. With the velocity distribution determined, the energy equation is solved using the same asymptotic technique. The results for limiting cases are found to be in good agreement with those available in the literature and the numerical results obtained here. 2007-10-23T00:00:00Z Hooman, Kamel http://espace.library.uq.edu.au/view/UQ:141345 A simple continuum mechanics model relating the quality index,* Q, to parameters of the deformation curve of alloys A356/357 is presented. The model incorporates the limiting effect of particle cracking on the ductility on a phenomenological base and it is used to predict the behaviour of the quality index as the material is strengthened by either ageing or increased content of Mg. The analysis shows that for every temper there is a matrix strength that maximises the Q-value. For strong alloys the model suggests that peak ageing can reduce Q. This effect is stronger when the ductility of the material is low. The possibility of using the quality index to optimise the combination of the alloy chemical composition and temper is discussed. 2008-06-10T00:00:00Z Caceres, C. H. http://espace.library.uq.edu.au/view/UQ:128772 The different hydrogen evolution rates for Mg immersed in simulated body fluid solutions with and without phosphates signify that the constituents of the body fluid could play different roles in the biodegradation of a magnesium implant. Currebtly, there is still a lack of fundamental understanding of the corrosion behavior of magnesium in the body fluid. 2008-02-18T00:00:00Z Song, G. L. og Song, S. Z. http://espace.library.uq.edu.au/view/UQ:8832 Conclusions 1. The apparatus makes it possible to concurrently measure ES and ED of cylindrical rock specimens under triaxial conditions in the NX Hoek cell. 2. Accuracy of the apparatus is comparable to usual dynamic modulus testing. 3. Preliminary test results for one particular rock type, show that under triaxial conditions the differences between E D and E S are smaller at high confining pressures than at low confining pressures. Circumstantial evidence suggests that microcracks and microfissures are responsible for this phenomenon. Further work needs to be undertaken in other rock types to substantiate these preliminary findings. 2005-12-20T00:00:00Z Howarth, D. F. http://espace.library.uq.edu.au/view/UQ:196304 Equal channel angular pressing (ECAP) is the most promising severe plastic deformation (SPD) technique for fabrication of bulk ultrafine grain materials, compaction of powders nearer to theoretical density, and property enhancement of tubular materials. 2010-02-23T00:00:00Z Anumalasetty, Venkata Nagasekhar http://espace.library.uq.edu.au/view/UQ:293426 This paper investigates the applicability of the quick-look inviscid CFD solver Cart3D when analysing a hypersonic REST inlet. The applicability is determined by comparing the inviscid Cart3D solution to that calculated using the full viscous solution methods in the CFD++ software package. Cart3D utilises mesh adaptation, taking the human out of the loop during the meshing process, while the CFD++ domain is manually meshed using MIME grid generator. In CFD++ the viscous effects are captured using a RANS realizable k- turbulence model chosen through validation studies and literature review. The captured viscous effects, such as shock boundary layer interactions, are shown to significantly affect the internal inlet flow field. This highlights that the applicability of the inviscid code is limited to the external region about the compression wedge up to the crotch. The trends in mass capture sensitivity to angle of attack and sideslip angle are consistent for both codes. A by-product of this study is the understanding of appropriate analysis methodologies that may be applied to efficiently investigate future REST inlet design iterations. 2013-03-11T16:18:20Z Aagon, A. og Abeynayake, D. og Smart, M. http://espace.library.uq.edu.au/view/UQ:224808 This paper presents the application and comparison of metaheuristic techniques to reactive power planning (RPP) problem which involves optimal allocation and combination of to-be-installed VAr sources to satisfy voltage constraints during normal and contingency states for multiple load levels. The main objective of the proposed RPP problem is to minimize the investment cost through balanced installation of SCs and SVCs while keeping a specified security level and minimizing the amount of load shedding. The problem is formulated as a large scale mixed integer nonlinear programming problem, which is a nonsmooth and nondifferentiable optimization problem using conventional optimization techniques and induces lots of local minima. Among the metaheuristic techniques, genetic algorithm (GA), particle swarm optimization (PSO) and evolutionary particle swarm optimization (EPSO) are applied to solve the RPP problem. To investigate the effectiveness of the metaheuristic techniques, the proposed approaches have been successfully tested on IEEE-14 buses, as well as IEEE-57 buses test system. The results obtained are compared and the effectiveness of each technique has been illustrated. 2010-12-16T00:00:00Z Eghbal, Mehdi og Yorino, Naoto og Zoka, Yoshifumi og El-Araby, E. E. http://espace.library.uq.edu.au/view/UQ:140379 2008-06-10T00:00:00Z Li, S. og Dowd, P. og Birth, W. J. http://espace.library.uq.edu.au/view/UQ:148588 2008-06-06T00:00:00Z Grandfield, J. og Davidson, C. J. og Taylor, J. A. http://espace.library.uq.edu.au/view/UQ:186772 2009-11-17T00:00:00Z Wang, Gui og Huang, Tianyou og et al. http://espace.library.uq.edu.au/view/UQ:140406 2008-06-10T00:00:00Z Kanchibotla, S. S. og Scott, A. http://espace.library.uq.edu.au/view/UQ:99865 2007-08-24T00:00:00Z Beamish, B. B. og Phillips, J. D. A. og Brown, M. og Millers, D. http://espace.library.uq.edu.au/view/UQ:102235 2007-08-23T00:00:00Z Liu, D. og Gurgenci, H. og Veidt, M. http://espace.library.uq.edu.au/view/UQ:96476 2007-08-24T00:00:00Z Nogita, K. og Dahle, A. K. og Drennan, J. http://espace.library.uq.edu.au/view/UQ:75648 2007-08-15T00:00:00Z Zhang, M. X. og Kelly, P. M. og Qian, Ma og Taylor, J. A. http://espace.library.uq.edu.au/view/UQ:79571 The edge-to-edge matching model, which was originally developed for predicting crystallographic features in diffusional phase transformations in solids, has been used to understand the formation of in-plane textures in TiSi2 (C49) thin films on Si single crystal (001)si surface. The model predicts all the four previously reported orientation relationships between C49 and Si substrate based on the actual atom matching across the interface and the basic crystallographic data only. The model has strong potential to be used to develop new thin film materials. (c) 2006 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved. 2007-08-15T00:00:00Z Zhang, M. og Kelly, P. M. http://espace.library.uq.edu.au/view/UQ:237248 Fault tree analysis is a powerful risk assessment tool for identifying root causes of an unwanted event that can then be managed with appropriate control measures. This method has been applied to the analysis of a spontaneous combustion event for the five year mine plan of the new Abel Mine, Newcastle, Australia. A team of people with diverse backgrounds provided input to the analysis, which was facilitated by a risk management consultant. The team consisted of the Technical Services Manager – Underground Operations, the Project Manager, The Undermanager, the Ventilation Officer, a Mining Technician and Fire Officer (representing the underground operators), a ventilation consultant and a coal spontaneous combustion expert. The resulting fault tree has provided the mine with a clear set of controls that can be incorporated into a spontaneous combustion management plan. This approach sets a new benchmark for the coal industry and produces a generic model that is robust enough to be transferable to any mine by adjustment of the site specific parameters. Some of the branches of the fault tree will be presented in this paper to raise the awareness of the coal industry to the comprehensive nature of this approach to risk management. 2011-03-18T00:00:00Z Beamish, Basil og Sutherland, Tony og Coull, Michael og Walker, David og Day, Gary og Shales, Craig og Cracker, Roger og Rowland, John og Smith, John http://espace.library.uq.edu.au/view/UQ:3067 This paper presents an application of genetic algorithms to the design of a longitudinal flight controller for a hypersonic accelerator vehicle which is to be used to launch small satellites. A feature of hypersonic air-breathing flight vehicles is the high level of engine integration with the airframe. As a result, maintenance of vehicle attitude is not simply an issue of stability, but also one of propulsive effectiveness, which itself varies with flight conditions and the vehicle attitude. There is therefore, limited scope for departure from optimum operating conditions. This, together with the extreme flight conditions, performance uncertainty, and the inherent instability of the vehicle, contributes to a demanding control task. We examine the capacity of a genetic algorithm in designing a fuzzy logic controller for the task of closed loop flight control. With a fixed, present control structure the design task is to configure the control surface through selection of the rule consequents and input scaling. The genetic algorithm uses a collection of simulated flight responses in its formulation of the objective function. This allows the generation of a controller design without linearization of the vehicle model and dynamics. Stability augmentation is shown through flight simulation at the low-speed end of the hypersonic trajectory and also at a higher flight speed. 2006-04-27T00:00:00Z Austin, K. J. og Jacobs, P. A. http://espace.library.uq.edu.au/view/UQ:97617 2007-08-24T00:00:00Z Austin, K.J. og Jacobs, P.A. http://espace.library.uq.edu.au/view/UQ:178858 A numerical study has been conducted to investigate the fluid flow and heat transfer of an air-cooled metal foam heat exchanger under the high speed laminar jet confined by two parallel walls for which the range of the Reynolds number is 600-1000. Two independent numerical solvers were used and cross-validated being a FORTRAN code and the commercially available software CFD-ACE. The effects of local thermal non-equilibrium, thermal dispersion, porosity, and pore density on the heat transfer augmentation are examined for different Reynolds numbers. Application of energy flux vectors, for convection visualization, is also illustrated for a more comprehensive analysis of the problem. Finally, the performance of the metal foam heat exchanger is compared to that of conventional finned design. It is observed that the heat removal rate can be greatly improved at almost no excess cost. 2009-07-01T00:00:00Z Ejlali, Azadeh og Ejlali, Arash og Hooman, Kamel og Gurgenci, Hal http://espace.library.uq.edu.au/view/UQ:204329 An investigation of inlet injection in a scramjet having a three-dimensional inlet and an elliptical combustion was undertaken. Experiments were conducted using a test flow simulating a Mach 8.1 flight condition with an altitude of 32 km. The objective was to determine the feasibility of reducing the combustion-chamber length by injection of hydrogen fuel in the inlet. The study involved a self-starting three-dimensional inlet with an overall geometric contraction ratio of 5.80, of which 2.08 was internal. The fuel was injected through multiple portholes in the forward portion of the inlet to allow significant mixing upstream of the combustion chamber. The divergent elliptical combustion chamber had a length sized for fuel ignition and combustion only and used a fluid-dynamic ignition scheme requiring no physical obstructions to the flowpath. Results indicated that inlet injection produced robust combustion at good combustion efficiency over a large fueling range up to an equivalence ratio of 0.92. A further key result was that no evidence of combustion was observed in the inlet. These experiments suggest that fuel injection in the inlet is a promising concept for higher-speed scramjet applications. 2010-04-25T00:06:56Z Turner, J. C. og Smart, M. K. http://espace.library.uq.edu.au/view/UQ:10065 This paper describes the application of linear elastic fracture mechanics to the design of structural timber members. These include non-zero angle notches, glued lap joints and the butt joints of laminated timber members. The results of this research were used in the development of design rules given in AS 1720, the Australian Timber Engineering Design Code. 2004-12-21T00:00:00Z Leicester, R. H. http://espace.library.uq.edu.au/view/UQ:224805 This paper proposes the application of metaheuristic methods to Reactive Power Planning (RPP). RPP involves optimal allocation of reactive sources to satisfy voltage constraints during normal and contingency states. The main objective of the proposed RPP is to make a trade-off between economy and security by determining the optimal combination of fast and slow controls (load shedding, new slow and fast VAR devices). The overall problem is formulated as a large scale mixed integer nonlinear programming problem. The proposed RPP problem is a combinatorial optimization problem, which cannot be solved easily by conventional optimization methods. Metaheuristic methods are reported to be efficient to solve combinatorial optimization problems. Among the well-known metaheuristic methods, this paper discovers the efficiency of Genetic Algorithm (GA), Particle Swarm Optimization (PSO) and Evolutionary PSO (EPSO) in solving the proposed RPP problem. The proposed approaches have been successfully tested on IEEE 14 bus system and a comparative study is illustrated. 2010-12-16T00:00:00Z Eghbal, Mehdi og El-Araby, E. E. og Yorino, Naoto og Zoka, Yoshifumi http://espace.library.uq.edu.au/view/UQ:243536 Optimized design of metal foam heat exchangers, as replacements for finned-tubes in air-cooled condensers of a geothermal power plant, is presented here. Two different optimization techniques, based on first and second law (of thermodynamics) are reported. While the former aims at the highest heat transfer rate with as low pressure drop as possible, the latter minimizes the generated entropy in the thermodynamic system. Interestingly, the two methods lead to the same optimal design. The new design has been compared to the conventional air-cooled condenser designed and optimized by using the commercially available software ASPEN. It is shown that while the heat transfer rate increases significantly (by an order of magnitude) compared to the finned-tube for the same main flow obstruction height, the pressure drop increase is within an acceptable range. Further comparison between the two systems are carried out, making use of Mahjoob and Vafai's performance factor developed specifically for metal foam heat exchangers. © 2011 Elsevier Ltd. All rights reserved. 2011-07-11T00:00:00Z Odabaee, Mostafa og Hooman, Kamel http://espace.library.uq.edu.au/view/UQ:224809 This paper presents a new approach to treat reactive power (VAr) planning problem using multi-objective evolutionary algorithms (EAs). Specifically, strength Pareto EA (SPEA) and multi-objective particle swarm optimization (MOPSO) approaches have been developed and successfully applied. The overall problem is formulated as a nonlinear constrained multi-objective optimization problem. Minimizing the total incurred cost of the VAr planning problem and maximizing the amount of available transfer capability (ATC) are defined as the main objective functions. The aim is to find the optimal allocation of VAr devices in such a way that investment and operating costs are minimized and at the same time the amount of ATC is maximized. The proposed approaches have been successfully tested on IEEE 14 buses system. As a result a wide set of optimal solutions known as Pareto set is obtained and encouraging results show the superiority of the proposed approaches and confirm their potential to solve such a large-scale multi-objective optimization problem. 2010-12-16T00:00:00Z Eghbal, Mehdi og Yorino, Naoto og Zoka, Yoshifumi og El-Araby, E. E. http://espace.library.uq.edu.au/view/UQ:175022 2009-04-09T00:00:00Z Ng, C. T. og Lam, H. F. http://espace.library.uq.edu.au/view/UQ:163193 2009-02-05T00:00:00Z Zhao, B. og Jak, E. og Hayes, P. C. http://espace.library.uq.edu.au/view/UQ:174474 The passivation characteristics of sulfuric acid cleaned mild steel in spent Bayer liquor (pH 14.4 and 160 degrees C) are examined using a high pressure nickel flow loop. An entrained atmosphere of 99.90% v/v oxygen gas is incorporated as an experimental variable along with Reynolds number (141,700 and 50,950) and intensity of fluid now disturbance. State of passivation has been defined using criteria derived from transient polaristion resistance measurements an large-scale polarisation, linear sweep voltammetry. In the majority of cases, oxygenation introduces instantaneous passivation of the mild steel on contact with the Bayer liquor. In comparison to de-oxygenated and aerated electrolytes, this rapid rate of passivation can lead to LIP to an order of magnitude reduction in the quantity of charge associated with metal dissolution over 20 h. Although relative rates of corrosion when passive are low and largely independent of the level of flow disturbance, dissolution rates when passive are somewhat larger at the higher Reynolds number. (c) 2008 Elsevier Ltd. All rights reserved. 2009-04-08T00:00:00Z Kear, G. og Bremhorst, K. http://espace.library.uq.edu.au/view/UQ:193205 2010-01-19T00:00:00Z Turner, James C. og Smart, Michael K. http://espace.library.uq.edu.au/view/UQ:186834 2009-11-18T00:00:00Z Chen, Bing og Wang, Gui http://espace.library.uq.edu.au/view/UQ:201874 2010-04-07T00:00:00Z Li, Shuxing og Knights, Peter http://espace.library.uq.edu.au/view/UQ:97569 2007-08-24T00:00:00Z Nogita, K. og Dahle, A. K. og Drennan, J. http://espace.library.uq.edu.au/view/UQ:101887 2007-08-23T00:00:00Z Reid, A. W. og Gurgenci, H. http://espace.library.uq.edu.au/view/UQ:176379 2009-04-16T00:00:00Z Lam, H. F. og Ng, C. T.