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X-ORIGINAL-URL:https://www.fst.um.edu.mo
X-WR-CALDESC:Events for Faculty of Science and Technology | University of Macau
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BEGIN:VTIMEZONE
TZID:Asia/Macau
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TZOFFSETFROM:+0800
TZOFFSETTO:+0800
TZNAME:CST
DTSTART:20160101T000000
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BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20161205T110000
DTEND;TZID=Asia/Macau:20161205T120000
DTSTAMP:20260610T085223
CREATED:20161202T040023Z
LAST-MODIFIED:20251125T032019Z
UID:16235-1480935600-1480939200@www.fst.um.edu.mo
SUMMARY:Observing grain crushing using 3D X-ray microfocus computer tomography images
DESCRIPTION:Speaker\nDr. Ryan Wai Man YAN\nSenior Lecturer\nDepartment of Civil and Environmental Engineering\nUniversity of Auckland\nNew Zealand \nAbstract\nBreakage in granular material has gained more research attention recently. This grain scale behavior would cause significant change to the macroscopic response. The development of x-ray micro-tomography technique makes it possible to non-destructively examine the microstructure of an assemblage at different stages of loading. In this talk\, a 3D micro-focused X-ray CT study will be presented. CT images are used to visualize the development of grain crushing under one-dimensional compression. Initially uniformly graded carbonate grains are prepared into a tailor-made oedometric cell such that X-ray CT scanned images can be taken at different stages (loading and unloading) of the test. State-of-the-art image processing technique has been developed to isolate individual grains from the assemblage. Particulate-scale information including particle size distribution and particle shape characteristics is evaluated from the processed images and the results are compared with other available methods in the literature \nBiography\nDr Ryan Yan is currently a Senior Lecturer in the Department of Civil and Environmental Engineering at the University of Auckland. Prior to moving to New Zealand\, he had been an Assistant Professor at the University of Hong Kong and University of Macau for totally more than 10 years. His current research interests include constitutive and numerical modeling of geomaterials\, grain-scale micromechanics\, geotechnical process monitoring\, and application of Bayesian inference to geotechnical engineering. Ryan is a chartered member of the Hong Kong Institution of Engineers (Geotechnical). He was the recipient of ICACM Young Investigator Award presented by the International Chinese Association for Computational Mechanics in 2013.
URL:https://www.fst.um.edu.mo/event/observing-grain-crushing-using-3d-x-ray-microfocus-computer-tomography-images/
LOCATION:E11-1035
CATEGORIES:cee_events
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20161215T100000
DTEND;TZID=Asia/Macau:20161215T113000
DTSTAMP:20260610T085223
CREATED:20161214T040022Z
LAST-MODIFIED:20251125T032018Z
UID:16237-1481796000-1481801400@www.fst.um.edu.mo
SUMMARY:"Strain based slope deformation and stability analyses - insights from physical and numerical modeling" and "DFOS and PIV-based deformation monitoring of sand foundation model under surcharge loading"
DESCRIPTION:Speaker\nProf. Hong-Hu ZHU\nAssociate Professor of Engineering Geology and Geotechnics\nSchool of Earth Sciences and Engineering\nNanjing University\, China \nAbstract\n(a) The distributed fiber optic sensing (DFOS) technology enables the measurement of strain distribution in soil slopes\, which has gained increasing attention of geotechnical practitioner. In this presentation\, the feasibility of strain based slope stability evaluation for slopes under different loading conditions is investigated. The strain measurements of model slopes during surcharge loading and seepage were analyzed. Empirical relationships were established to evaluate the slope stability condition. To verify the above findings\, finite element models was built and numerical simulations were conducted. The results show that the strain distribution characteristics are closely related to the propagation of plastic zones and the formation of critical slip surfaces. Compared with conventional displacement-based slope monitoring and stability evaluation method\, the strain-based methodology is more efficient and sensitive\, which makes full use of the benefits of the DFOS technology. \n(b) The DFOS and particle image velocimetry (PIV) techniques are used to investigate the deformation behaviour of plane-strain sand foundation models under surcharge loading. Quasi-distributed fibre Bragg grating (FBG) sensors and fully-distributed Brillouin optical time domain analysis (BOTDA) sensors were embedded in the models to capture the internal deformation\, while PIV was used to process digital images taken by a camera placed in the vicinity of the models. The FOS measurements and PIV analyses were combined to reveal the distribution and evolution of deformation of the models under surcharge loading. \nBiography\nHong-Hu Zhu is associate professor of engineering geology and geotechnics at Nanjing University\, China\, and associate director of Suzhou Key Laboratory of Distributed Sensing & Monitoring Technology of Civil Infrastructures. He got the BEng\, MSc and PhD degrees from Zhejiang University (2002)\, Jinan University (2005) and The Hong Kong Polytechnic University (2009)\, respectively. From 2008 to 2010\, he worked as research assistant\, research associate\, and post-doctoral fellow at The Hong Kong Polytechnic University. He has been a visiting scholar at the Department of Engineering\, University of Cambridge\, from 2014 to 2015. His areas of expertise include the development and application of smart monitoring systems for geo-structures\, field instrumentation and evaluation of slope stability and related geo-hazards\, and modelling of time-dependent behaviour of geo-materials. He is the author or co-author of 1 book\, 7 patents\, and over 100 scientific papers. He serves as the invited reviewer of 22 international journals and the guest editor of 3 journal special issues. He is recipient of several national awards including Sliver Hammer Prize for Young Scholars in Geoscience and Dezhen Gu Prize for Young Scholars from the China Geology Society.
URL:https://www.fst.um.edu.mo/event/strain-based-slope-deformation-and-stability-analyses-insights-from-physical-and-numerical-modeling-and-dfos-and-piv-based-deformation-monitoring-of-sand-foundation-model-under-surcharge-loadi/
LOCATION:E11-1035
CATEGORIES:cee_events
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20161218T110000
DTEND;TZID=Asia/Macau:20161218T120000
DTSTAMP:20260610T085223
CREATED:20161216T040036Z
LAST-MODIFIED:20251125T032018Z
UID:16240-1482058800-1482062400@www.fst.um.edu.mo
SUMMARY:Mechanism and Mitigation Measures of Landslides
DESCRIPTION:Speaker\nProf. Li-jun SU\nProfessor of Geotechnical Engineering\nInstitute of Mountain Hazards and Environment\nChinese Academy of Sciences \nAbstract\nLandslide is a general term used to describe the downslope movement of soil\, rock\, and organic materials under the effects of gravity. In this presentation\, basic types of landslides will be introduced and their characteristics including the mechanism\, velocity effects will be analyzed. After that\, methods and techniques for investigating and evaluating landslides methods will be briefly introduced. At the end\, stabilization and mitigation Measures for different types of landslides will be presented and discussed. \nBiography\nLijun Su\, PhD\, Professor of Geotechnical Engineering at the Institute of Mountain hazards and environment\, Chinese Academy of Sciences (CAS). He obtained his Bachelors Degree and Masters Degree in civil engineering at the Xi’an Jiaotong University in 2000 and 2002\, respectively. Following that\, he earned his PhD degree in geotechnical engineering at the Hong Kong Polytechnic University in 2006. He started his first job at the Xi’an University of Architecture and Technology as an associate professor in 2007. In 2008\, he went to Australia and started to work at the University of Wollongong as a research fellow under a CRC project about non-destructive assessment of railway track conditions. He joined the institute of mountain hazards and environment in February 2012 under the “Hundred Talents” Program of the CAS and now is the vice director of the Key Laboratory of Mountain Hazards and Earth Surface Process\, CAS. He has broad research interests in geotechnical engineering\, including constitutive modeling of geomaterials\, numerical analysis of geotechnical problems\, laboratory and physical model tests\, application of geophysical methods in geotechnical engineering and etc. He is currently working on landslide mechanisms and hazard analysis. He is a scientific editor of the international Journal of Mountain Science and board member of the International Consortium on Landslides. He has published more than 50 journal and conference papers so far.
URL:https://www.fst.um.edu.mo/event/mechanism-and-mitigation-measures-of-landslides/
LOCATION:E11-1043
CATEGORIES:cee_events
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20161222T100000
DTEND;TZID=Asia/Macau:20161222T110000
DTSTAMP:20260610T085223
CREATED:20161221T040045Z
LAST-MODIFIED:20251125T032018Z
UID:16242-1482400800-1482404400@www.fst.um.edu.mo
SUMMARY:Soil-plant-water-interactions: Challenges with respect to slope remediation and agriculture
DESCRIPTION:Speaker\nProf. Ankit GARG\nAssistant Professor\nDepartment of Civil Engineering\nIndian Institute of Technology (IIT)\nGuwahati\nIndia \nAbstract\nThe presence of vegetation in the upper layer of vadose zone results in complex moisture dynamics (soil-root-water interaction) due to the combined effects of transpiration and soil water evaporation. Unsaturated soil-root composite hydraulic properties\, transpiration and soil water evaporation and effect of plant parameters (i.e.\, leaf area index (LAI)\, root length density (RLD) and root area index (RAI)) on soil property are keys for understanding this complex moisture dynamics. Previous studies have not collectively discussed these plant parameters and unsaturated soil properties to understand moisture dynamics in the vadose zone. The gaps between unsaturated parameters and plants parameters are discussed in the context of agricultural field and bioengineered slopes (a type of slope remediation). In the presentation\, critical review will be presented to discuss hydraulic properties of soil-root composite (water retention curve\, hydraulic conductivity) with respect to soil composition\, soil density and cracked soil. Influences of plant parameters\, such as LAI\, RLD and RAI on boundary conditions will be discussed. The efficacy of soil-root composite water retention curve (SRCWRC) incorporation in the field of agriculture as well as geotechnical engineering (i.e.\, for bioengineered slope stability analysis) will be demonstrated. Also\, recent developments about use of visual techniques for estimating soil parameters would be discussed. \nBiography\n\n \n\nDr Ankit Garg is currently an Assistant Professor in Department of Civil Engineering at the Indian Institute of Technology (IIT)\, Guwahati\, India. He is also a World Bank Monitoring Consultant for infrastructure projects in Assam\, India. His background is Civil and Environmental Engineering (PhD\, The Hong Kong University of Science and Technology). His research focuses on investigation of fundamental unsaturated hydraulic properties of soil with vegetation and plant physical root and leaf characteristics\, such as transpiration reduction function\, root distribution\, root area index and leaf area index. He has identified plant relation with unsaturated soil properties for two species Schefflera heptaphylla and Cynodon dactylon. He has been recently involved in working on identifying visual techniques for estimating soil moisture and vegetation cover (collaboration with faculties from design). His work has been published in around 24 journals including inter-disciplinary journals such as “Journal of plant nutrition and soil science”\, “Catena”\, “Hydrological Processes”\, “Ecological Engineering”. He was invited to deliver seminars at various universities in UK\, Germany\, Japan\, China\, Thailand\, Malaysia\, and Taiwan. He was also invited as visiting scientist at University of Leeds for collaboration in green infrastructure.
URL:https://www.fst.um.edu.mo/event/soil-plant-water-interactions-challenges-with-respect-to-slope-remediation-and-agriculture/
LOCATION:E11-1043
CATEGORIES:cee_events
END:VEVENT
BEGIN:VEVENT
DTSTART;TZID=Asia/Macau:20161222T110000
DTEND;TZID=Asia/Macau:20161222T120000
DTSTAMP:20260610T085223
CREATED:20161221T040035Z
LAST-MODIFIED:20251125T032018Z
UID:16245-1482404400-1482408000@www.fst.um.edu.mo
SUMMARY:Application of digital technology in engineering and education: From Game Design to Surveillance system and Visual analysis
DESCRIPTION:Speaker\nProf. Charu Monga\nAssistant Professor\nFounder of ARLab\nDepartment of Design\nIndian Institute of Technology (IIT)\nGuwahati\nIndia \nAbstract\nThe utilization of digital techniques (virtual reality\, game design\, surveillance system\, visual analysis) in different sectors such as education\, engineering and behavioural sciences has been on rise in last decade. These inter-disciplinary interventions enhances accessibility to certain information especially in remote areas and thus efficiency and sustainability of any particular system (Engineering infrastructure\, educational institutes\, IT industry etc.). These interventions will be demonstrated using selective projects such as game design for IT sector\, surveillance system for monitoring of crowd movement as well as visual techniques for analyzing vegetation growth and soil properties. \nGame design for education in both digital and also board form brings many opportunities into learnification. Though\, its application has been intense in training managers or employees in different industry sectors\, however\, the design lacked proper balance of “purpose” and “fun” elements. With that perspective\, a new game was designed\, developed and evaluated considering balance of both “purpose” and “fun” elements for enhancing decision making skills of project manager in IT industry. In order to achieve that\, analogy for hospital based scenario was adopted for the game design. The project was executed jointly by ARLab research group with IT industry. In second project\, a low cost in-house surveillance system is developed and evaluated for monitoring crowd movement at venues (festive occasions\, shopping malls\, metro)\, where crowd management is required. In third project\, application of visual techniques (image analysis) for quantifying spatial heterogeneity among vegetation growth and also estimating soil moisture was explored. Field monitoring of landscape (mixed vegetation cover) was conducted. Spatio-temporal variation in vegetation growth parameters were quantified using image processing and correlated with measured hydraulic conductivity in field. Such quantifications are highly useful for numerical modelers to consider non-uniformity in inputting boundary conditions in their simulations and also opens up alternatives for monitoring of such infrastructures\, which are remote. Discussion will be made to explore opportunities of such interventions in various projects. \nBiography\n\n \n\nCharu Monga is an experienced researcher\, academician and designer. With research interest in cross disciplinary domain and passion towards practice based design. She is an Assistant professor working in the area of designing animations\, films\, games\, communication strategy and social innovations. \nHer current research aims to investigate variety of techniques to promote crafts\, culture\, and tradition to empower educational areas. She uses animation techniques\, films\, videos\, virtual reality\, augmented reality\, illustration\, stories\, technology like 3d printing\, participatory and ethnographic approaches to express her design concepts. \nShe has done her dual Masters in Applied Arts from Delhi University and Film making from Film and Television Institute of India. She has also taught at FTII-Pune\, Delhi University\, NIFT and has nine years of industrial experience as strategist\, visualizer\, game designer\, animator and illustrator in various organizations. She has also executed research projects with World Health Partners\, Group Delphoenix\, Industrial Design Centre\, IIT Bombay\, Sumo Digital\, Foundation 9 Entertainment and Digikriti Entertainment. Her work has been sponsored by Red-Cross Society\, UNIFEM to exhibit in galleries such as Romain Rolland\, Habitat Center and Lalit kala Academy to name a few. She was involved in cross-cultural researches on communication\, design education paradigms and creativity methods\, and has presented it in across the globe. She has delivered 21 invited International seminars and workshops at various universities in countries such as Israel\, Taiwan\, Russia\, Thailand and Singapore as a part of her collaborations internationally. In 2014\, she has created ARLab\, laboratory for fostering multidisciplinary ideas and approaches at Department of Design\, Indian Institute of Technology Guwahati. She is also associated with Centre of Rural Technology at IIT itself. She received Microsoft Faculty Research Grant 2015\, Ministry of Human Resource and Development research grant with industrial partners from Microsoft and TCS. Also awarded Film Heritage Foundation fellowship by Film Division in association with Martin Scorsese’s Film Foundation & Cineteca di Bologna\, L’Immagine Ritrovata. With this she has also extensively published and presented in International journals also conferences.
URL:https://www.fst.um.edu.mo/event/application-of-digital-technology-in-engineering-and-education-from-game-design-to-surveillance-system-and-visual-analysis/
LOCATION:E11-1043
CATEGORIES:cee_events
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