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Articles 1051 - 1080 of 2936
Full-Text Articles in Social and Behavioral Sciences
Large-Area Binary Blazed Grating Coupler Between Nanophotonic Waveguide And Led, Hongqiang Li, Wenqian Zhou, Meiling Zhang, Yu Liu, Cheng Zhang, Enbang Li, Changyun Miao, Chunxiao Tang
Large-Area Binary Blazed Grating Coupler Between Nanophotonic Waveguide And Led, Hongqiang Li, Wenqian Zhou, Meiling Zhang, Yu Liu, Cheng Zhang, Enbang Li, Changyun Miao, Chunxiao Tang
Faculty of Engineering and Information Sciences - Papers: Part A
A large-area binary blazed grating coupler for the arrayed waveguide grating (AWG) demodulation integrated microsystem on silicon-on-insulator (SOI) was designed for the first time. Through the coupler, light can be coupled into the SOI waveguide from the InP-based C-band LED for the AWG demodulation integrated microsystem to function. Both the length and width of the grating coupler are 360 mu m, as large as the InP-based C-band LED light emitting area in the system. The coupler was designed and optimized based on the finite difference time domain method. When the incident angle of the light source is 0 degrees, the …
Efeito Da Granulometria Na Deformação E Quebra De Lastro Ferroviário, Gino O. Calderon Vizcarra, Sanjay Nimbalkar, Buddhima Indraratna, Michele Dal Toe Casagrande
Efeito Da Granulometria Na Deformação E Quebra De Lastro Ferroviário, Gino O. Calderon Vizcarra, Sanjay Nimbalkar, Buddhima Indraratna, Michele Dal Toe Casagrande
Faculty of Engineering and Information Sciences - Papers: Part A
O efeito da granulometria no comportamento mecânico do lastro tem sido estudado por vários pesquisadores no passado. A revisão de estes estudos indicaram que uma gradação mais uniforme que as atualmente usadas pela indústria ferroviária, diminuiria a deformação permanente e degradação do lastro ferroviário. Neste estudo, o equipamento prismoidal triaxial cíclico projetado e construído na Universidade de Wollongong foi utilizado. Duas granulometrias de lastro foram testadas sob tensão vertical cíclica máxima de 450 kPa. Os resultados mostraram que a granulometria teve grande influencia a deformação permanente e quebra de lastro ferroviário.
Erosion Mitigation Of Lignosulfonate Treated Unstable Soils, Buddhima Indraratna, Rasika Manori Athukorala, J S Vinod
Erosion Mitigation Of Lignosulfonate Treated Unstable Soils, Buddhima Indraratna, Rasika Manori Athukorala, J S Vinod
Faculty of Engineering and Information Sciences - Papers: Part A
Highly unstable soils are common in many parts of the world. In recent years, traditional chemical admixtures such as cement, lime and fly ash were used for stabilising these soils. However, not all chemical stabilisers are readily acceptable due to stringent occupational health and safety issues and invariable change of soil pH that often limits the scope of vegetation plus imposing a threat to ground water pollution. However, recent research shows that lignosulfonate, an environmentally sustainable admixture, can stabilise unstable and erodible soils without causing adverse effects on the environment. This paper presents the results of a laboratory investigation and …
Evaluation Of The Coal Wash And Steel Furnace Slag Blends As Effective Reclamation Fill For Port Expansion, Ana Heitor, Buddhima Indraratna, Cholachat Rujikiatkamjorn, Gabriele Chiaro, S.M.Ali Tasalloti
Evaluation Of The Coal Wash And Steel Furnace Slag Blends As Effective Reclamation Fill For Port Expansion, Ana Heitor, Buddhima Indraratna, Cholachat Rujikiatkamjorn, Gabriele Chiaro, S.M.Ali Tasalloti
Faculty of Engineering and Information Sciences - Papers: Part A
Coal wash (CW) and steel furnace slag (SFS) are granular waste by-products that result from the operation of the coal mining and the steel industries, respectively. Their effective reuse and recycling as fill materials for earthwork construction, embankments and/or structural fill materials in port expansion projects, is economically attractive and environmentally sustainable because it lessens the need for disposal and sourcing of materials from local quarries. As the need for blending these materials arises from their individual adverse geotechnical characteristics, i.e. swelling and breakage behaviour in SFS and CW, it is important to evaluate the suitability of different mixtures ratios …
Improvement Of Soil Stability Along Rail Corridors Through Native Vegetation, Buddhima Indraratna, Muditha Pallewattha, Behzad Fatahi, Punyama Udeshini Pathirage
Improvement Of Soil Stability Along Rail Corridors Through Native Vegetation, Buddhima Indraratna, Muditha Pallewattha, Behzad Fatahi, Punyama Udeshini Pathirage
Faculty of Engineering and Information Sciences - Papers: Part A
Field studies conducted along the railway lines in Australia have revealed the ability to implement the green corridor concept as a soil stabilization method. Native trees grown along rail corridors are capable of increasing the matric suction of the subgrade soil underneath the track substructure via root water uptake, in conjunction with the tree canopy evapo-transpiration. Moreover, these trees are capable of providing significant mechanical reinforcement through the anchoring effect provided by the root network plus the additional cohesive increment due to hair roots generating osmotic suction. Much of the previous research carried out to quantify the mechanical strength generated …
Exploiting Superior Tensile Properties Of A Novel Network-Structure Ala206 Matrix Composite By Hybridizing Micron-Sized Al3ti With Al2o3 Nano Particulates, S Tahamtan, A Halvaee, M Emamy, Z Y. Jiang, A Fadavi Boostani
Exploiting Superior Tensile Properties Of A Novel Network-Structure Ala206 Matrix Composite By Hybridizing Micron-Sized Al3ti With Al2o3 Nano Particulates, S Tahamtan, A Halvaee, M Emamy, Z Y. Jiang, A Fadavi Boostani
Faculty of Engineering and Information Sciences - Papers: Part A
In this study, semi-solid stir casting and ball milling processes are combined into an integrated composite fabrication process. Two different architectures were utilized to incorporate reinforcing particle into semi-solid alloy i.e., (i) ball milling of K2TiF6 and aluminum powder for 5h and subsequently with nano-alumina particles (Al2O3np) for 1h and (ii) ball milling of K2TiF6, Al2O3np and aluminum powder for 2h. Accordingly, the milled powders were incorporated into molten AlA206 alloy using a non-contact ultrasonic vibration method. The effect of milling procedure on microstructural evolution and tensile properties were then explored. Two different microstructures were characterized including well-distributed Al2O3np and …
Particle Sizing Using Dielectrophoresis-Active Hydrophoresis, Sheng Yan, Jun Zhang, Yuan Yuan, Gursel Alici, Haiping Du, Y Zhu, Weihua Li
Particle Sizing Using Dielectrophoresis-Active Hydrophoresis, Sheng Yan, Jun Zhang, Yuan Yuan, Gursel Alici, Haiping Du, Y Zhu, Weihua Li
Faculty of Engineering and Information Sciences - Papers: Part A
A particle sizing technique using dielectrophoresis-active hydrophoresis is presented in this study. This method can measure particle diameters without complex optical tools and electric impedance, and can be adjusted by modulating the external voltage.
A State-Of-The-Art Review On Magnetorheological Elastomer Devices, Yancheng Li, Jianchun Li, Weihua Li, Haiping Du
A State-Of-The-Art Review On Magnetorheological Elastomer Devices, Yancheng Li, Jianchun Li, Weihua Li, Haiping Du
Faculty of Engineering and Information Sciences - Papers: Part A
During the last few decades, magnetorheological (MR) elastomers have attracted a significant amount of attention for their enormous potential in engineering applications. Because they are a solid counterpart to MR fluids, MR elastomers exhibit a unique field-dependent material property when exposed to a magnetic field, and they overcome major issues faced in magnetorheological fluids, e.g. the deposition of iron particles, sealing problems and environmental contamination. Such advantages offer great potential for designing intelligent devices to be used in various engineering fields, especially in fields that involve vibration reduction and isolation. This paper presents a state of the art review on …
Analysing The Quality Of Experience Of Multisensory Media From Measurements Of Physiological Responses, Jacob Donley, Christian H. Ritz, Muawiyath Shujau
Analysing The Quality Of Experience Of Multisensory Media From Measurements Of Physiological Responses, Jacob Donley, Christian H. Ritz, Muawiyath Shujau
Faculty of Engineering and Information Sciences - Papers: Part A
This paper investigates the Quality of Experience (QoE) of multisensory media by analysing biosignals collected by electroencephalography (EEG) and eye gaze sensors and comparing with subjective ratings. Also investigated is the impact on QoE of various levels of synchronicity between the sensory effect and target video scene. Results confirm findings from previous research that show sensory effects added to videos increases the QoE rating. While there was no statistical difference observed for the QoE ratings for different levels of sensory effect synchronicity, an analysis of raw EEG data showed 25% more activity in the temporal lobe during asynchronous effects and …
Let Me Be Learned: Decision Support Aiding Public Participation, Raymond Laine, Christopher David Cook
Let Me Be Learned: Decision Support Aiding Public Participation, Raymond Laine, Christopher David Cook
Faculty of Engineering and Information Sciences - Papers: Part A
With best practice flood risk management processes rightly emphasising the need for a collaborative, transparent and inclusive approach to improve community resilience, this paper explores a new Engagement Decision Support System (EDSS) as a mechanism to assist in this process. This paper presents the need, theory and development of a flood risk management EDSS and presents trial results, where the tool has been successfully utilised for three catchments in New South Wales, Australia. The results from these trials indicate that a well-structured, engagement focused decision support system can provide a mechanism for and empower the public to learn about, prioritise …
Removing The Impulsive Noise Contained In A Self-Mixing Interferometry System Using Outlier Detection, Yan Gao, Yanguang Yu, Jiangtao Xi, Qinghua Guo, Jun Tong, Sheng Tong
Removing The Impulsive Noise Contained In A Self-Mixing Interferometry System Using Outlier Detection, Yan Gao, Yanguang Yu, Jiangtao Xi, Qinghua Guo, Jun Tong, Sheng Tong
Faculty of Engineering and Information Sciences - Papers: Part A
Impulsive noise is a major problem that seriously degrades the performance of self-mixing interferometry (SMI). A new method to rectify this issue is proposed. First, an outlier detection approach is employed to detect the data samples corrupted by the impulsive noise, and then the SMI signal waveform is rectified by means of least square (LS) curve fitting. The results show that the proposed method can effectively remove the impulsive noise without introducing distortion to the original waveform and thus lead to improvement in the performance of an SMI system.
Investigation Into The Effect Of Vortex-Induced Vibrations On The Power-Output Of A Pitching Cylinder Wave Energy Converter, Ashley W. Heath, Brad Stappenbelt
Investigation Into The Effect Of Vortex-Induced Vibrations On The Power-Output Of A Pitching Cylinder Wave Energy Converter, Ashley W. Heath, Brad Stappenbelt
Faculty of Engineering and Information Sciences - Papers: Part A
The aim of the present investigation was to examine the question of whether the introduction of cross-flow vortex-induced vibration (VIV) of point absorber wave energy extraction devices is detrimental or beneficial to power take-off (PTO) efficiency. The dynamic drag amplification experienced by a circular cylinder undergoing cross-flow vortex-induced vibration is well documented for both the steady flow and oscillatory flow cases. The dynamic drag amplification experienced by a cylinder undergoing VIV in a wave environment indicates that there are potential benefits in allowing a drag dominated wave energy device to simultaneously experience cross-flow VIV. Experiments were conducted with a pivoted …
Electrochemistry And Structure Of The Cobalt-Free Li1+Xmo2 (M = Li, Ni, Mn, Fe) Composite Cathode, Wei Kong Pang, Sujith Kalluri, Vanessa Peterson, S X. Dou, Zaiping Guo
Electrochemistry And Structure Of The Cobalt-Free Li1+Xmo2 (M = Li, Ni, Mn, Fe) Composite Cathode, Wei Kong Pang, Sujith Kalluri, Vanessa Peterson, S X. Dou, Zaiping Guo
Faculty of Engineering and Information Sciences - Papers: Part A
The development of cathode materials with high capacity and cycle stability is essential to emerging electric-vehicle technologies, however, of serious environmental concern is that materials with these properties developed so far contain the toxic and expensive Co. We report here the Li-rich, Co-free Li1+xMO2 (M = Li, Ni, Mn, Fe) composite cathode material, prepared via a template-free, one-step wet-chemical method followed by conventional annealing in an oxygen atmosphere. The cathode has an unprecedented level of cation mixing, where the electrochemically-active component contains four elements at the transition-metal (3a) site and 20% Ni at the active Li site (3b). We find …
Influence Of Vertical Motion On Initiation Of Sediment Movement, Ishraq Alfadhli, Shu-Qing Yang, Muttucumaru Sivakumar
Influence Of Vertical Motion On Initiation Of Sediment Movement, Ishraq Alfadhli, Shu-Qing Yang, Muttucumaru Sivakumar
Faculty of Engineering and Information Sciences - Papers: Part A
This paper makes an attempt to answer why the observed critical Shields stress for incipient sediment motion deviates from the Shields curve. The measured dataset collected from literature show that the critical Shields stress widely deviates from the Shields diagram’s prediction. This paper has re-examined the possible mechanisms responsible for the validity of Shields’ diagram and found that, among many factors, the vertical velocity in the sediment layer plays a leading role for the invalidity of Shield’s prediction. A closer look of the positive/negative deviation reveals that they correspond to the up/downward vertical velocity, and the Shields diagram is valid …
Modelling And Identifying The Parameters Of A Magneto-Rheological Damper With A Force-Lag Phenomenon, Gangrou Peng, Weihua Li, Haiping Du, Huaxia Deng, Gursel Alici
Modelling And Identifying The Parameters Of A Magneto-Rheological Damper With A Force-Lag Phenomenon, Gangrou Peng, Weihua Li, Haiping Du, Huaxia Deng, Gursel Alici
Faculty of Engineering and Information Sciences - Papers: Part A
In this study a model based on the Bouc-Wen-Baber-Noori (BWBN) method was proposed to describe the distorted hysteretic behaviour of a self-constructed magneto-rheological (MR) damper whose mechanical performance was measured with an Instron test machine. The experimental results indicated that the MR damper exhibited a force-lag phenomenon. The parameters of the modified BWBN model were identified with the MATLAB SIMULINK Design and Optimisation toolbox. A comparison between the experimental results and modelling predictions revealed that the proposed model could well present the force-lag phenomenon.
Experimental And Theoretical Study On Minimum Achievable Foil Thickness During Asymmetric Rolling, Delin Tang, Xianghua Liu, Meng Song, Hailiang Yu
Experimental And Theoretical Study On Minimum Achievable Foil Thickness During Asymmetric Rolling, Delin Tang, Xianghua Liu, Meng Song, Hailiang Yu
Faculty of Engineering and Information Sciences - Papers: Part A
Parts produced by microforming are becoming ever smaller. Similarly, the foils required in micro-machines are becoming ever thinner. The asymmetric rolling technique is capable of producing foils that are thinner than those produced by the conventional rolling technique. The difference between asymmetric rolling and conventional rolling is the 'cross-shear' zone. However, the influence of the cross-shear zone on the minimum achievable foil thickness during asymmetric rolling is still uncertain. In this paper, we report experiments designed to understand this critical influencing factor on the minimum achievable thickness in asymmetric rolling. Results showed that the minimum achievable thickness of rolled foils …
Design And Performance Evaluation Of A Novel Magnetorheological Valve With A Tunable Resistance Gap, Guoliang Hu, Ming Long, Lifan Yu, Weihua Li
Design And Performance Evaluation Of A Novel Magnetorheological Valve With A Tunable Resistance Gap, Guoliang Hu, Ming Long, Lifan Yu, Weihua Li
Faculty of Engineering and Information Sciences - Papers: Part A
This paper outlines the design and development of a novel magnetorheological (MR) valve with a tunable resistance gap that varies from 1 mm to 2 mm by rotating a valve spool. The finite element modelling and analysis of this proposed MR valve was carried out using ANSYS/Emag software, including achieving the optimal magnetic field distribution and magnetic flux density. A mathematical model of the pressure drop in the MR valve was built to study the pressure drop mechanism while considering the conical annular resistance gap. Moreover, this proposed MR valve with a tunable resistance gap was prototyped and evaluated experimentally, …
Novel Algorithms For Complete Targets Coverage In Energy Harvesting Wireless Sensor Networks, Changlin Yang, Kwan-Wu Chin
Novel Algorithms For Complete Targets Coverage In Energy Harvesting Wireless Sensor Networks, Changlin Yang, Kwan-Wu Chin
Faculty of Engineering and Information Sciences - Papers: Part A
This paper addresses the problem of maximizing the network lifetime of rechargeable Wireless Sensor Networks (WSNs) whilst ensuring all targets are monitored continuously by at least one sensor node. The objective is to determine a group of sensor nodes, and their wake-up schedule such that within a time interval, one subset of nodes are active whilst others enter the sleep state to conserve energy as well as recharge their battery. We propose a Linear Programming (LP) based solution to determine the activation schedule of sensor nodes whilst affording them recharging opportunities and at the same time ensures complete target coverage. …
Inconsistency Resolution In Merging Versions Of Architectural Models, Hoa Dam, Alexander Reder, Alexander Egyed
Inconsistency Resolution In Merging Versions Of Architectural Models, Hoa Dam, Alexander Reder, Alexander Egyed
Faculty of Engineering and Information Sciences - Papers: Part A
State-of-the-art optimistic model versioning systems, which are critical to enable efficient team-based development of architectural models, are able to detect and help resolve basic conflicts arising during the merging of model versions. However, it is often overlooked that model merging may also cause severe syntactical and semantic inconsistencies. In this paper, we propose an approach to guide the resolution of inconsistencies detected in a merged architectural model. Our approach automatically finds and presents to the software architects all solutions for resolving all inconsistencies arisen during the merging of model versions. For inconsistencies that preexist in the model, our approach is …
The Stern-Brocot Continued Fraction, Bruce Philip Bates
The Stern-Brocot Continued Fraction, Bruce Philip Bates
Faculty of Engineering and Information Sciences - Papers: Part A
We discover a continued fraction whose successive approximants generate the Stern- Brocot sequence and levels of the Stern-Brocot tree. We also discover continued fractions whose approximants generate every term in diagonals and branches of the Stern-Brocot tree.
Low-Energy Electron Scattering From Α-Tetrahydrofurfuryl Alcohol, Luca Chiari, Darryl Jones, Penny Thoi, Michael J. Brungei, Gustavo Garcia, Francisco Blanco
Low-Energy Electron Scattering From Α-Tetrahydrofurfuryl Alcohol, Luca Chiari, Darryl Jones, Penny Thoi, Michael J. Brungei, Gustavo Garcia, Francisco Blanco
Faculty of Engineering and Information Sciences - Papers: Part A
We report on differential cross section results for low-energy electron collisions with the biologically relevant species a-tetrahydrofurfuryl alcohol. Electron-impact excitation measurements of the electronic states of a-tetrahydrofurfuryl alcohol were carried out at incident energies between 15-50 eV and for scattering angles in the range 20-90 degrees. Elastic differential cross section have also been calculated within the Independent Atom Model and using the Screening Corrected Additivity Rule approach at selected energies between 1-1000 eV.
Bayesian Space-Time Model To Analyse Frost Risk For Agriculture In Southeast Australia, Steven Crimp, Khandoker Shuvo Bakar, Phillip Kokic, Huidong Jin, Neville Nicholls, Mark Howden
Bayesian Space-Time Model To Analyse Frost Risk For Agriculture In Southeast Australia, Steven Crimp, Khandoker Shuvo Bakar, Phillip Kokic, Huidong Jin, Neville Nicholls, Mark Howden
Faculty of Engineering and Information Sciences - Papers: Part A
Despite a broad pattern of warming in minimum temperatures over the past 50years, regions of southeastern Australia have experienced increases in frost frequency in recent decades, and more broadly across southern Australia, an extension of the frost window due to an earlier onset and later cessation. Consistent across southern Australia is a later cessation of frosts, with some areas of southeastern Australia experiencing the last frost an average 4weeks later than in the 1960s (i.e. mean date of last frost for the period 1960-1970 was 19 September versus 22 October for the period 2000-2009). We seek to model the spatial …
Co-Universal C∗-Algebras Associated To Aperiodic K-Graphs, Sooran Kang, Aidan Sims
Co-Universal C∗-Algebras Associated To Aperiodic K-Graphs, Sooran Kang, Aidan Sims
Faculty of Engineering and Information Sciences - Papers: Part A
We construct a representation of each finitely aligned aperiodic k-graph Λ on the Hilbert space Hapwith basis indexed by aperiodic boundary paths in Λ. We show that the canonical expectation on B(Hap) restricts to an expectation of the image of this representation onto the subalgebra spanned by the final projections of the generating partial isometries. We then show that every quotient of the Toeplitz algebra of the k-graph admits an expectation compatible with this one. Using this, we prove that the image of our representation, which is canonically isomorphic to the Cuntz–Krieger algebra, is co-universal for …
Ultra Wideband Noise Channel Measurement Using A Vector Network Analyzer, Ahmed Moftah Ownalla Alshabo, Peter J. Vial, Montserrat Ros, David Stirling, Muhammad Abu Bakar Sidik
Ultra Wideband Noise Channel Measurement Using A Vector Network Analyzer, Ahmed Moftah Ownalla Alshabo, Peter J. Vial, Montserrat Ros, David Stirling, Muhammad Abu Bakar Sidik
Faculty of Engineering and Information Sciences - Papers: Part A
In this paper, we analyze the measurement of ultra wideband (UWB) noise channels in different indoor environments. All measurements are done using a vector network analyzer (VNA) which allows us to measure the noise channel transfer functions. We find that the noise power of the system is decreased by increasing the intermediate frequency (IF) bandwidth which leads to an increase in time taken to perform measurements of the channels. Also, we measure the environmental noise power and find that it is slightly affected by fluorescent light sources inside the measurement environments. In addition, we find that the environmental noise is …
Fully Nonlinear Curvature Flow Of Axially Symmetric Hypersurfaces, James A. Mccoy, Fatemah Mofarreh, V. -M Wheeler
Fully Nonlinear Curvature Flow Of Axially Symmetric Hypersurfaces, James A. Mccoy, Fatemah Mofarreh, V. -M Wheeler
Faculty of Engineering and Information Sciences - Papers: Part A
Recently, fully nonlinear curvature flow of a certain class of axially symmetric hypersurfaces with boundary conditions time of existence was obtained, in the case of convex speeds (J. A. McCoy et al., Annali di Matematica Pura ed Applicata 1–13, 2013). In this paper we remove the convexity condition on the speed in the case it is homogeneous of degree one in the principal curvatures and the boundary conditions are pure Neumann. Moreover, we classify the singularities of the flow of a larger class of axially symmetric hypersurfaces as Type I. Our approach to remove the convexity requirement on the speed …
Using Formal Concept Analysis To Create Pathways Through Museum Collections, Tim Wray, Peter Eklund
Using Formal Concept Analysis To Create Pathways Through Museum Collections, Tim Wray, Peter Eklund
Faculty of Engineering and Information Sciences - Papers: Part A
This paper presents A Place for Art - an iPad app that allows users to explore an art collection via semantically linked pathways that are generated using Formal Concept Analysis. The app embraces the information seeking approach of exploration and is based on the idea that showing context and relationships among objects in a museum collection augments an interpretive experience. The fundamental interaction metaphor inherent in A Place for Art relies on Formal Concept Analysis so the interface has embedded within it the semantic clustering features of machine learning in artificial intelligence.
3d Shape Measurement Based On Projection Of Triangular Patterns Of Two Selected Frequencies, Pu Cao, Jiangtao Xi, Yanguang Yu, Qinghua Guo, Limei Song
3d Shape Measurement Based On Projection Of Triangular Patterns Of Two Selected Frequencies, Pu Cao, Jiangtao Xi, Yanguang Yu, Qinghua Guo, Limei Song
Faculty of Engineering and Information Sciences - Papers: Part A
In this paper, a temporal shift unwrapping technique is presented for solving the problem of shift wrapping associated with spatial shift estimation (SSE)-based fringe pattern profilometry (FPP). Based on this technique, a novel 3D shape measurement method is proposed, where triangular patterns of two different spatial frequencies are projected. The patterns of the higher frequency are used to implement the FPP, and the one with lower frequency is utilized to achieve shift unwrapping. The proposed method is able to solve the shift unwrapping problem associated with the existing multi-step triangular pattern FPP by projection of an additional fringe pattern. The …
Empowering Personal Health Records With Cloud Computing: How To Encrypt With Forthcoming Fine-Grained Policies Efficiently, Clementine Gritti, Willy Susilo, Thomas Plantard, Kaitai Liang, Duncan S. Wong
Empowering Personal Health Records With Cloud Computing: How To Encrypt With Forthcoming Fine-Grained Policies Efficiently, Clementine Gritti, Willy Susilo, Thomas Plantard, Kaitai Liang, Duncan S. Wong
Faculty of Engineering and Information Sciences - Papers: Part A
The issue of empowering patients to be well informed with regards to their health records has been well accepted in the community, which is known as the Personal Health Record (PHR). PHR has been believed as the solution for better management of an individual’s health, and as the tool that will empower the patient in correlation with healthcare providers through the ability to provide his/her own medical history. In this work, we aim to take one step further by equipping patients with the ability to “control” the access to their PHR efficiently and easily, by incorporating the emerging cloud technology. …
Modeling Compression Behavior Of Cement-Treated Zinc-Contaminated Clayey Soils, Yan Jun Du, Suksun Horpibulsuk, Mingli Wei, Cherdsak Suksiripattanapong, Martin D. Liu
Modeling Compression Behavior Of Cement-Treated Zinc-Contaminated Clayey Soils, Yan Jun Du, Suksun Horpibulsuk, Mingli Wei, Cherdsak Suksiripattanapong, Martin D. Liu
Faculty of Engineering and Information Sciences - Papers: Part A
In this paper, the compression behavior of cement-treated soil with various cement contents and zinc concentrations is presented and modeled by the destructuring framework and the concept of the Intrinsic Compression Line (ICL). The void ratio of a cement-treated sample with Zn contamination is the sum of the void ratio sustained by the intrinsic soil fabric (destructured void ratio) and the additional void ratio due to cementation. The compression index at the pre-yield state, Cs, increases as the Zn concentration increases or as the cement content decreases. At the post-yield state, the additional void ratio is inversely proportional to the …
The Formation Of Complex Microstructures After Different Deformation Modes In Advanced High-Strength Steels, Ilana Timokhina, Elena V. Pereloma, Peter Hodgson
The Formation Of Complex Microstructures After Different Deformation Modes In Advanced High-Strength Steels, Ilana Timokhina, Elena V. Pereloma, Peter Hodgson
Faculty of Engineering and Information Sciences - Papers: Part A
The microstructure of transformation induced plasticity (TRIP) and dual phase (DP) multiphase steels after stamping of an industrial component at different strain levels was investigated using transmission electron microscopy. The TRIP steel microstructure showed a more complex dislocation substructure of ferrite at different strain levels than DP steel. The deformation microstructure of the stamped parts was compared to the deformation microstructure in these complex steels for different "equivalent" tensile strains. It was found that the microstructures are similar only at high levels of strain (>10 pct) for both steels.