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See detailDISco: a Distributed Information Store for network Challenges and their Outcome
Martin, Sylvain ULg; Chiarello, Laurent ULg; Leduc, Guy ULg

Report (2012)

We present DISco, a storage and communication middleware designed to enable distributed and task-centric autonomic control of networks. DISco is designed to enable multi-agent identification of anomalous ... [more ▼]

We present DISco, a storage and communication middleware designed to enable distributed and task-centric autonomic control of networks. DISco is designed to enable multi-agent identification of anomalous situations -- so-called "challenges" -- and assist coordinated remediation that maintains degraded -- but acceptable -- service level, while keeping a track of the challenge evolution in order to enable human-assisted diagnosis of flaws in the network. We propose to use state-of-art peer-to-peer publish/subscribe and distributed storage as core building blocks for the DISco service. [less ▲]

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See detailDMFSGD: A Decentralized Matrix Factorization Algorithm for Network Distance Prediction
Liao, Yongjun ULg; Du, Wei; Geurts, Pierre ULg et al

Report (2012)

The knowledge of end-to-end network distances is essential to many Internet applications. As active probing of all pairwise distances is infeasible in large-scale networks, a natural idea is to measure a ... [more ▼]

The knowledge of end-to-end network distances is essential to many Internet applications. As active probing of all pairwise distances is infeasible in large-scale networks, a natural idea is to measure a few pairs and to predict the other ones without actually measuring them. This paper formulates the distance prediction problem as matrix completion where unknown entries of an incomplete matrix of pairwise distances are to be predicted. The problem is solvable because strong correlations among network distances exist and cause the constructed distance matrix to be low rank. The new formulation circumvents the well-known drawbacks of existing approaches based on Euclidean embedding. A new algorithm, so-called Decentralized Matrix Factorization by Stochastic Gradient Descent (DMFSGD), is proposed to solve the network distance prediction problem. By letting network nodes exchange messages with each other, the algorithm is fully decentralized and only requires each node to collect and to process local measurements, with neither explicit matrix constructions nor special nodes such as landmarks and central servers. In addition, we compared comprehensively matrix factorization and Euclidean embedding to demonstrate the suitability of the former on network distance prediction. We further studied the incorporation of a robust loss function and of non-negativity constraints. Extensive experiments on various publicly-available datasets of network delays show not only the scalability and the accuracy of our approach but also its usability in real Internet applications. [less ▲]

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See detailRapport de mission de janvier 2012; PIC Bonne gouvernance (UCG-UCL-ULg)
Verjans, Pierre ULg

Report (2012)

Lors de la mission de janvier du Nord vers le Sud pour le projet "Bonne gouvernance et pratiques efficientes à l'est de la RDC" (troisième année du projet), deux mémoires de DEA ont pu être défendus et ... [more ▼]

Lors de la mission de janvier du Nord vers le Sud pour le projet "Bonne gouvernance et pratiques efficientes à l'est de la RDC" (troisième année du projet), deux mémoires de DEA ont pu être défendus et une salle inaugurée pour institutionnaliser l'ODAG qui doit s'insérer dans la structure de l'UCG. [less ▲]

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See detailLeitlinien für eine künftige Raumordnungspolitik
Werner, Pascal; Hanocq, Philippe ULg; Haumont, Francis

Report (2012)

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See detailHARELBKE LOCK (Design & Build Procedure)
Rigo, Philippe ULg; DEROUCK, Julien

Report (2012)

Three proposals have been received by the Waterwegen en Zeekanaal NV . This report reviews these proposals of lock design in the framework of HARELBKE LOCK (Design & Build Procedure)

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See detailBiodiversité et aménagement du territoire : vers une stratégie territoriale de conservation de la nature en Wallonie ?
Sérusiaux, Emmanuël ULg; Dopagne, Claude ULg; Melin, Eric ULg et al

Report (2012)

Dans le cadre du diagnostic du Schéma de Développement de l’Espace Régional (SDER, 2011) mené par la Conférence Permanente de Développement Territorial (CPDT), une analyse scientifique et ... [more ▼]

Dans le cadre du diagnostic du Schéma de Développement de l’Espace Régional (SDER, 2011) mené par la Conférence Permanente de Développement Territorial (CPDT), une analyse scientifique et prospective des enjeux territoriaux liés à la problématique de la biodiversité est proposée pour la Wallonie. Dans un premier temps, l’atteinte des objectifs spécifiques du SDER (1999) est examinée. Ensuite, partant des tendances d’évolution observées, les besoins adressés par la thématique « biodiversité » au territoire wallon sont définis, quantifiés et spatialisés. Ces propositions concrètes et scientifiquement argumentées sont destinées à alimenter la construction d’une stratégie globale de conservation de la nature en région wallonne. [less ▲]

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See detailATTEL-PERFORMANCE‐BASED APPROACHES FOR HIGH STRENGTH TUBULAR COLUMNS AND CONNECTIONS UNDER EARTHQUAKE AND FIRE LOADINGS - WP1 - D1
Ferrario, Fabio; Bursi, Oreste S.; Zanon, Gabriele et al

Report (2012)

Work Package 1‐ Deliverable1  State‐of‐the‐art report on collection and evaluation of experimental test data and design procedures 

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See detailTowards improved operation rules for the Vesdre reservoirs
Detrembleur, Sylvain; Dewals, Benjamin ULg; Erpicum, Sébastien ULg et al

Report (2012)

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See detailATTEL PROJECT - PERFORMANCE-BASED APPROACHES FOR HIGH STRENGTH TUBULAR COLUMNS AND CONNECTIONS UNDER EARTHQUAKE AND FIRE LOADINGS - D3
Zilli, Giuliana; Demofonti, Giuseppe; Ferino, Jan et al

Report (2012)

- D3.1: monotonic and cyclic test data on base-joint specimens; - D3.2: monotonic and cyclic test data on column specimens; - D3.3: monotonic and cyclic test data on beam-to-column joint specimens; - D3.4 ... [more ▼]

- D3.1: monotonic and cyclic test data on base-joint specimens; - D3.2: monotonic and cyclic test data on column specimens; - D3.3: monotonic and cyclic test data on beam-to-column joint specimens; - D3.4: cyclic test results laboratory report. [less ▲]

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See detailAnalyse des retombées des zones d'activité économique au niveau communal
Bianchet, Bruno ULg; Xhignesse, Guillaume ULg; Gathon, Henry-Jean ULg et al

Report (2012)

La création d’une zone d’activité économique sur le territoire d’une commune engendre des conséquences et des retombées pour cette dernière. Toutefois, certaines communes seraient de moins en moins ... [more ▼]

La création d’une zone d’activité économique sur le territoire d’une commune engendre des conséquences et des retombées pour cette dernière. Toutefois, certaines communes seraient de moins en moins favorables à accueillir des activités économiques sur leur territoire. L’objectif de cette expertise est de faire l’état des lieux de la question permettant ainsi d’évaluer les principaux impacts issus de l’accueil d’activités économiques, ainsi que de formuler des propositions en vue d’inciter les communes à accueillir ou développer, sur leur territoire, de nouveaux espaces dédiés à l’activité économique. [less ▲]

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See detailRobustness of car parks against localised fire - Deliverable V: Practical behavioural models for car park structures towards design practice
Fang, Cheng; Izzuddin, Bassam; Elghazouli, Ahmed et al

Report (2012)

Research Programme of the Research Fund for Coal and Steel - Steel RTD Project carried out with a financial grant of the Research Programme of the Research Fund for Coal and Steel - Grant Agreement Number ... [more ▼]

Research Programme of the Research Fund for Coal and Steel - Steel RTD Project carried out with a financial grant of the Research Programme of the Research Fund for Coal and Steel - Grant Agreement Number RFSR‐CT‐2008‐00036 [less ▲]

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See detailHITUBES PROJECT DESIGN AND INTEGRITY ASSESSMENT OF HIGH STRENGTH TUBULAR STRUCTURES FOR EXTREME LOADING CONDITIONS - D7
Rivera, Sergio; Alvarez, Ricardo; Lezcano, Ricardo et al

Report (2012)

D7.1: Report on design guidelines and recommendations for HSS for tubular structures D7.2: Report on design guidelines and recommendations for tubular members and connections D7.3: Report on maintenance ... [more ▼]

D7.1: Report on design guidelines and recommendations for HSS for tubular structures D7.2: Report on design guidelines and recommendations for tubular members and connections D7.3: Report on maintenance and durability of HSS tubular structures [less ▲]

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See detailComputational Optimisation for Zero Energy Building Design, Interviews with Twenty Eight International Experts
Attia, Shady ULg

Report (2012)

Given the implication of designing Net Zero Energy Buildings (NZEBs), which involves complex passive and active design strategies, the use of computational automated optimization techniques is becoming ... [more ▼]

Given the implication of designing Net Zero Energy Buildings (NZEBs), which involves complex passive and active design strategies, the use of computational automated optimization techniques is becoming more essential. Therefore, this structured interviews aims to assess gaps, needs and problems considering the integration of optimization techniques to support the design of NZEBs. This work is part of the International Energy Agency (IEA) Task 40: Towards Net Zero Energy Buildings Subtask B. The objective of this report is to gain an understanding of how experts currently use optimization tools, which tools they use, the major limitations they have encountered, and their vision for the future of optimization of Net Zero Energy Buildings. With this information disseminated, it is anticipated that soft ware developers will be better informed of the needs of building design processionals. A qualitative study design was employed, using semi structured interviews. Optimization experts working in academia and practice were recruited. The participants were identified from the IBPSA Conference Proceedings between 1995 and 2010. A sampling framework was developed to include experts in the study from Europe and North America. These groups represented the range of possible optimization users, from researchers and designers considered optimization in the design of net zero or high performance buildings. A list of potential optimization experts was created and circulated between the IEA Task 40 Subtask members. Also every interviewed expert was asked to revise the list and add any potential candidate to be interviewed. [less ▲]

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See detailRapport Health CoP 2012
Snoeck, Céline ULg; Bomgart, Marie-Laure; Denis, Brigitte ULg et al

Report (2012)

Rapport résumant les activités menées en 2012 dans le projet Health CoP.

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See detailATTEL PROJECT PERFORMANCE-BASED APPROACHES FOR HIGH STRENGTH TUBULAR COLUMNS AND CONNECTIONS UNDER EARTHQUAKE AND FIRE LOADINGS - D5
Sommariva, Manuel; Maio, Daniele; Demonceau, Jean-François ULg et al

Report (2012)

D.5.1. : Definition of stability curves D.5.2. : D5.2: simulation data relevant to the selected typologies of base-joints, of HSS-CHS columns and HSS-CFT columns and of HSS-concrete composite beam-to ... [more ▼]

D.5.1. : Definition of stability curves D.5.2. : D5.2: simulation data relevant to the selected typologies of base-joints, of HSS-CHS columns and HSS-CFT columns and of HSS-concrete composite beam-to-column joints D.5.3. : Report on parametric numerical analyses [less ▲]

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See detailMechanisms of photocatalysis in TiO2 thin films for air purification
Poelman, Dirk; Heinrichs, Benoît ULg

Report (2012)

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See detailATTEL PERFORMANCE-BASED APPROACHES FOR HIGH STRENGTH TUBULAR COLUMNS AND CONNECTIONS UNDER EARTHQUAKE AND FIRE LOADINGS - D6
Pournara, Aglaia-Eugenia; Varelis, George E.; Papatheocharis, Charis et al

Report (2012)

Design Guidelines and proposal for EC3, EC4 and EC8

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See detailJupiter system Ultraviolet Dynamics Explorer (JUDE), an instrument proposed for the ESA-JUICE mission
Grodent, Denis ULg; Bunce, Emma J.; Renotte, Etienne ULg et al

Report (2012)

In the proposal that follows we present a detailed concept for the science case, instrument requirements, technical design, calibration and operations, management structure, and financial plan for the ... [more ▼]

In the proposal that follows we present a detailed concept for the science case, instrument requirements, technical design, calibration and operations, management structure, and financial plan for the Jupiter system Ultraviolet Dynamics Experiment (JUDE), which will provide an outstanding solution to the UV instrumentation requirements for the JUICE mission. The JUDE instrument will represent a novel technical capability in UV instrumentation for planetary science, and will deliver the first true UV imaging capability beyond Earth orbit. The JUDE instrument design consists of two separate channels – the imaging channel (ImaC) and the spectrograph channel (SpeC), neither of which has any moving parts. This simple combination of two autonomous channels allows a true image and a spectrum at FUV wavelengths to be obtained simultaneously, allowing science goals to be realised which are not possible with a traditional scanning-slit imaging-spectrograph design The international consortium assembled to build the JUDE instrument is formed of two institutes from two European countries, and one from the United States. Prof. Denis Grodent (Université de Liège, Belgium) will act as the PI for the entire instrument team and the ULg/CSL team will provide a substantial hardware contribution to the instrument in the form of the optics, coatings, and Data Processing Unit (DPU). Dr Emma Bunce (University of Leicester, UK) will act as Co-PI for the instrument and the UoL team will supply the Micro-Channel Plate (MCP) detectors and read-out electronics. Prof. John Clarke (Co-I) of Boston University, USA will provide the grating element for the spectral channel of the instrument, in addition to instrument calibration activities. The science Co-Is are gathered from multiple institutes/nations including Belgium, UK, Germany, Italy, and the United States (see Part 1 for the full team list). Collectively, the team have decades of expertise in the areas of outer planet magnetospheres, planetary auroral and atmospheric emissions and surface UV observations from multiple platforms including Cassini UVIS, Juno UVS, Hubble Space Telescope, and numerous terrestrial missions. The team also have roles on non-UV instruments which will maximise the interpretation of the JUDE data. The two instrument channels are built on proven and robust technology with much flight heritage (e.g. Juno, Cassini, BepiColombo, IMAGE, ROSAT, Chandra, Voyager, Freja, DE-1, Swift). More specifically, the optics and focal plane detector proposed for the JUDE instrument are widely based on previous designs by CSL, at the ULg and UoL, for the FUV Spectro-Imager on the NASA IMAGE spacecraft, the UV Spectrograph on the NASA Juno mission to Jupiter, and the ROSAT Wide Field Camera. The data return from the instrument will greatly benefit the European and international science communities in planetary and terrestrial sciences, and the knowledge obtained will be generally applicable to broader astrophysics disciplines (e.g. extrasolar planetary physics). In answering the UV science objectives for the JUICE mission the JUDE instrument will clearly address the ESA Cosmic Vision Themes 1: What are the conditions for planet formation and the emergence of life? and 2: How does the Solar System work? The JUDE images (in particular) provide a clear path towards a high-level related programme of education and public outreach which the JUDE team are well equipped and keen to exploit. The JUDE instrument will contribute to all of the UV-related science objectives of JUICE, plus additional science objectives not listed in the Science Requirements Matrix. - At Ganymede and other moons (Europa and Callisto) JUDE will contribute directly to breakthroughs in the following scientific areas: 1) the characterisation of local environment, specifically through the first investigation of the morphology and variation of Ganymede’s aurora. A clear understanding of the auroral and atmospheric emissions at Ganymede will provide vital information on their formation mechanisms and will contribute to studies of the interaction of the Ganymede magnetosphere with Jupiter’s magnetosphere; 2) the first detailed observations of the satellites’ atmospheric (exosphere/ionosphere) composition and structure through measurements of their atmospheric emission and absorption spectra during multiple stellar occultation opportunities; and 3) the study of the satellites surface composition using surface reflectance measurements. The measurements at UV wavelengths are essential because they allow the study of the relationship between the satellites’ surface weathering, their atmospheres and the external environment which is mainly affected by the surrounding Jovian magnetosphere. By carefully studying processes at the surface and in the satellites’ atmospheres together, JUDE will provide the information required to distinguish between two classes of compositional heterogeneities at the satellites’ surfaces: 1) heterogeneities that arise from interaction with the external environment; 2) heterogeneities that arise from dynamical interaction with the subsurface. - With respect to Jupiter, JUDE will: 1) provide “state of the art” measurements of the Jovian atmospheric dynamics and transport through high temporal and spatial resolution auroral imaging; 2) allow a new understanding of the Jovian magnetosphere as a fast rotator through interpretation of the Jovian aurora as direct evidence for the 3D magnetosphere dynamics – a view which is continuously available in the planet’s upper atmosphere (independent of the spacecraft location within the magnetosphere); 3) investigate the magnetosphere as a giant accelerator through observations of the field-aligned current systems responsible for acceleration of electrons (and production of aurora); 4) discover the plasma sources and sinks of the moons through auroral imaging of the moon footprints in Jupiter’s atmosphere as a witness of the electromagnetic interactions taking place; 5) obtain new information on Jupiter’s atmospheric structure and composition through multiple stellar occultation opportunities. In addition, JUDE will make remote observations of the Io torus emissions and will provide the first in situ observation of the variability of the torus, over the lifetime of the mission, providing important information about the internal activity of the moon. JUDE offers a unique opportunity to obtain the first concurrent datasets of the different coupled elements of the Jupiter system: Io's atmosphere, aurora, the plasma torus, the Jovian plasma sheet and the Jovian aurora. The JUDE imaging and spectral channels are both designed to capture FUV lines from sulphur ions in the Io plasma torus. Finally, JUDE’s remote sensing capability offers an exciting opportunity to discover the Europa “plume” activity that may be present, through limb observations during flybys and from more distant observing locations. The Ganymede-focused and moon related science objectives will be addressed in the Ganymede orbit phase and during the multiple moon flybys, whilst the Jupiter science will be predominantly achieved during the Jupiter Equatorial Phases and during the high-inclination phase. The JUDE UV imager and spectrograph will produce discovery level science at Ganymede and the first true 2D UV images from Jupiter orbit. The exceptional JUICE trajectory affords many opportunities for breakthrough science discoveries in accordance with the SciRD; in addition to those, it provides unprecedented opportunities to directly witness the electromagnetic connection between Ganymede and Jupiter by making the first simultaneous UV observations of the respective atmospheres within the JUDE field-of-view. This is possible as a direct consequence of the JUDE true imaging capability. To successfully meet the science requirements outlined above, the JUDE ImaC has a spatial resolution of 20 arcsec over a circular field-of-view with 6˚ diameter, which allows a 100 km spatial resolution on Jupiter from Ganymede orbital distances (and 20 m resolution on Ganymede from 200 km, for example). JUDE’s ImaC mirrors and detector window will be covered with multilayer coatings which efficiently select a narrow bandpass from 130 to 143 nm, to allow measurements of the faint Oxygen lines at 130.4 nm and 135.6 nm in Ganymede’s (and other moon’s) atmosphere. This bandpass also allows observations of the SIV lines (between 140.5 and 142.4 nm) emitted within the Io plasma torus and in Io’s atmosphere. The bright Jovian emissions will also be suppressed within this bandpass which will necessarily limit the count rate to an acceptable level. The Ly-α line at 122 nm will be largely excluded as will the reflected sunlight longward of 150 nm. The sensitivity of the ImaC is 50 Rayleigh (at 3-sigma). The SpeC has a spectral resolution of 0.5 nm in order to meet the requirements of the SciRD, and has a field-of-view which is a 6˚ x 0.1˚ slit co-aligned with, and centred on, the ImaC circular field-of-view. The lower wavelength of the SpeC bandpass is set to ~110 nm in order to include the bright Ly-α line (useful to study the H corona) in a region of reduced transmission. The upper wavelength limit, ~195 nm, is such that transmission is slowly decreasing in the 180-195 nm spectral region, allowing measurements of the moon’s albedos beyond 165 nm, as well as the detection of compounds such as CO2, SO2, O2, O3, H2CO3 and H2O2 by comparing JUDE reflectance spectra to those obtained in laboratory studies. FUV emission lines from S and O are also observable within the bandpass and B-type stars emitting within this waveband will allow occultation experiments to be performed, to determine the composition and structure of the moon’s atmospheres and the detection of a possible Europa plume. The same is true for the Jovian atmosphere for which attenuation by H2 and hydrocarbons allows determination of the atmospheric structure. The sensitivity of the SpeC is 10 R/nm (at 3-sigma). The JUDE instrument channels: ImaC and the co-aligned SpeC, are both operating within the 110–195 nm range. Each channel has independent optics and detector elements, providing a level of redundancy such that loss of either imager or spectrograph does not constitute an entire loss of science. In contrast to more conventional (e.g. scanning or pushbroom) imaging spectrographs, JUDE can provide high time resolution (<1 second) high throughput images over a wide field of view (6° diameter) with no time variation across the field – a capability which is critical in gaining a better understanding of the complex dynamical processes taking place in the Jovian magnetosphere. The primary optic in each channel is a multilayer-coated mirror operating at normal incidence, with flight heritage in the form of the scan mirror in the Ultraviolet Spectrograph (UVS) now en-route to Jupiter onboard JUNO. The imaging channel uses a secondary mirror to of a similar type to focus the image onto the focal plane detector, while in the spectrograph channel, the secondary is a spherical, holographic grating. The spectrograph design is simple, with heritage in airglow spectrographs flown on terrestrial UV missions, and the Imaging UV Spectrograph for MAVEN. The grating element is produced by Jobin-Yvon, who have produced diffraction gratings for major missions including SOHO and HST. Each channel includes an identical microchannel plate (MCP) detector with the robust, radiation-tolerant performance required for a mission in the formidable environment of Jupiter. Such detectors are well proven, having flown on many missions including ROSAT (UoL heritage). They have also operated in the vicinity of Jupiter, in the focal plane of the UV spectrograph onboard the Voyager probes. The detector readout is a new type of capacitive division image charge readout (C-DIR; invented by Dr Jon Lapington) which offers, simultaneously, high spatial resolution and high count rate performance. Adaptive signal processing capabilities allow JUDE to accommodate the very wide dynamic range expected, from observations of Jupiter’s auroral ovals which emit with intensities of mega Rayleighs, to the weak (few tens of Rayleigh) emissions found at Ganymede. The readout structure is simple and robust, and has already been demonstrated in laboratory trials, while the electronics chain has its heritage in particle physics detectors, and has therefore been designed with radiation tolerance as a primary consideration. Pre-launch and in-flight calibrations will be implemented to assure that the JUDE data are suitable for quantitative scientific analysis. The proposed JUDE configuration successfully meets the scientific objectives of the JUICE mission. Our decision to implement an imaging channel instead of covering the MUV waveband increases the whole mission’s scientific output while remaining compliant with the MPDD. Due to its high-temporal resolution read-out system, JUDE is capable of producing volumes of data that are incompatible with the limited telemetry allocated to the UV instrument, even after a modest compression factor is applied. We therefore have proposed a mode of operation (the JUDE reference mode) which takes 1 minute snapshots over an observation opportunity (for example during a flyby sequence). Using this reference mode, and taking the maximum count rate estimates for the various targets, we find that the JUDE data volume is compliant with the tight allocation for the UV instrumentation of 40 GBytes/year The JUDE design presented in this proposal is above the mass allocation. We believe that all components of our design are necessary to reach the scientific goals of JUICE mission and that any major changes (such as the descope of a channel) will be at the considerable expense of the expected science return. However, further optimisation will be performed during the Phase A to bring JUDE into the allocated mass envelope while compromising its scientific return only slightly. We propose an efficient management structure with clearly delineated responsibilities. The Principal Investigator, Prof. Denis Grodent (Be) will take on the responsibilities as specified in the JUICE payload Announcement of Opportunity, supported closely by the Co-PI Dr Emma Bunce (UK) and by the team of Co-Investigators. The contribution of each country is represented by lead Co-Investigators: Prof. John Clarke (Boston University), Dr. Candy Hansen (PSI), and Dr Xianzhe Jia (University of Michigan), and Dr Nigel Bannister (UK) as CoI and Instrument Scientist (see Figure 1 below). The philosophy has been to assign well-defined tasks to each institute with an overall project manager to coordinate the efforts. The Consortium Project Manager (Etienne Renotte, CSL) will execute the managerial tasks relevant to the instrument development. The Product and Quality Assurance management will be implemented by all hardware contributors. Each consortium institute has a local project manager for their respective work packages, reporting to the Consortium Project Manager. The outreach potential of JUDE’s instantaneous wide field images is enormous. The potential PhD students of 2030 who we hope to educate and inspire with JUDE images and spectra are currently 3 years old; their supervisors are in secondary school. The team regards the educational aspects of the instrument and data as particularly important, and we plan a comprehensive JUDE/JUICE programme of outreach to schools and to the public, as part of the project and one which will be initiated upon selection. The national funding agency of Belgium serves as the Lead Funding Agency (LFA) for the JUDE instrument. The letters of endorsement from Belgium and United Kingdom are included in this proposal. Although the agencies endorse their respective national contributions, funding will be secured after the selection of the instrument proposal, according to the usual procedure. [less ▲]

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See detailHITUBES PROJECT DESIGN AND INTEGRITY ASSESSMENT OF HIGH STRENGTH TUBULAR STRUCTURES FOR EXTREME LOADING CONDITIONS - D1
Johansson, Eva; Fuertes, Nuria; Guvaia, Helena et al

Report (2012)

D1.1: Report on tubular structures of interest subjected to extreme repeated loadings. D1.2: Report on current design procedures for welded/bolted HSS materials, members and connections. D1.3: Report on ... [more ▼]

D1.1: Report on tubular structures of interest subjected to extreme repeated loadings. D1.2: Report on current design procedures for welded/bolted HSS materials, members and connections. D1.3: Report on Bayesian estimations in probabilistic reliability assessment. D1.4: Report on Output-only structural identification techniques. [less ▲]

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See detailHITUBES PROJECT DESIGN AND INTEGRITY ASSESSMENT OF HIGH STRENGTH TUBULAR STRUCTURES FOR EXTREME LOADING CONDITIONS - D5
Jaspart, Jean-Pierre ULg; Demonceau, Jean-François ULg; Hoang, Van Long ULg et al

Report (2012)

D5.1: Refined material parameter formula depending upon fast loading. D5.2: Simulation data on welded joints relevant to the structures under study. D5.3: Simulation data on bolted joints relevant to the ... [more ▼]

D5.1: Refined material parameter formula depending upon fast loading. D5.2: Simulation data on welded joints relevant to the structures under study. D5.3: Simulation data on bolted joints relevant to the structures under study. [less ▲]

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See detailPatrimoine de l'Université de Liège - Subside pour séjour de recherche à l'étranger : Mission de recherche en méthodologie de conception architecturale dans le cadre de la réalisation d’une thèse de doctorat. Rapport de Mission
Schmitz, Dimitri ULg

Report (2012)

L’objectif de la mission était d’analyser le travail réalisé par des concepteurs (ingénieurs et architectes) et des constructeurs (entrepreneurs et industriels) réunis autour de vraies ... [more ▼]

L’objectif de la mission était d’analyser le travail réalisé par des concepteurs (ingénieurs et architectes) et des constructeurs (entrepreneurs et industriels) réunis autour de vraies problématiques de conceptions techniques de bâtiments. Ce travail d’analyse a permis dans un second temps de produire un modèle permettant d’expliquer les choix décisionnels effectués par les professionnels et de proposer des avancées en termes d’outils à mettre à disposition des concepteurs et constructeurs en vue d’améliorer leur collaboration. [less ▲]

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See detailInventaire des papiers Karl Hanquet
Caulier-Mathy; Haesenne-Peremans, Nicole; Oger, Cécile ULg

Report (2012)

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See detailIMISCOE Research Network, Training and Research Inventory
Gsir, Sonia ULg

Report (2012)

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See detailProjet Ramsès. Manuel d'encodage
Honnay, Anne-Claude ULg; Polis, Stéphane ULg

Report (2012)

Manuel décrivant les procédures d'encodage et d'annotation des textes néo-égyptiens dans la base de données "Ramsès". Mises à jour régulière.

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See detailRobustness of car parks against localised fire - Deliverable II: Experimental tests and development of sophisticated behavioural models
Haremza, Cécile; Santiago, Aldina; Simões da Silva, Luís et al

Report (2012)

Grant Agreement Number RFSR-CT-2008-00036

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See detailHITUBES - Design and integrity assessment of high strength tubular structures for extreme loading conditions - Final report
Bursi, Oreste; Kumar, Anil; Demofonti, Giuseppe et al

Report (2012)

High Strength Steel (HSS) characterized by yield strength ranging between 500MPa to 700MPa has been available for many years. However, its use in onshore engineering is quite restrictive. Reasons were ... [more ▼]

High Strength Steel (HSS) characterized by yield strength ranging between 500MPa to 700MPa has been available for many years. However, its use in onshore engineering is quite restrictive. Reasons were threefold: i) Eurocodes covered steels with yield strength up to 460MPa; ii) higher costs than regular steel; iii) lack of conceptual design with HSS. Nonetheless very recently, there has been a growing trend for the use of HSS in tubular structures thanks to Eurocode 3 Part 1-12 (2006), that extended its scope to steel grades up to S690/S700MC. Along this line, the HITUBES project intended to develop performance-based designs and assessment procedures to make full use of HSS tubes up to S700MC for structures subject also to extreme repeated loads; in fact Eurocode 3 Part 1-12 imposes many limitations at the material, structural and design level. The ambitious targets are to increase the performance of tubular structures, reduce weights, construction and operating costs. The project covered the period 01/07/2008-31/12/2011, and main research work focussed on several aspects listed herein: literature survey; selection of finite element-based and identification dynamic analysis codes; selection of realistic Case Studies and FE analysis for the evaluation of actions and stresses; structural identification and health monitoring of a cable-stay and arch footbridges; tests planning and execution including welding procedure specifications; simulations of welded and bolted connections under monotonic, low-cycle and high-cycle fatigue loadings; simulation of Case studies and reliability analysis for quantification of realistic performance scenarios; SWOT analysis and monitoring of project activities. [less ▲]

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See detail“State-of-problem report prepared for the TC11 meeting held in Valencia on October 2012”
Demonceau, Jean-François ULg; Hjiaj, Mohammed; Aribert, Jean-Marie et al

Report (2012)

The present document summarises recent studies and developments investigating the behaviour of composite frames, for discussion within TC11 Committee. Also, possible aspects to be investigated in future ... [more ▼]

The present document summarises recent studies and developments investigating the behaviour of composite frames, for discussion within TC11 Committee. Also, possible aspects to be investigated in future are identified. The document is organised as follows: • First, the global frame behaviour is considered in § 2; • Then, the structural members which can be met in a composite structure, i.e. the composite slabs, the composite beams, the composite columns and the composite joints, are considered in separate paragraph from § 3 to § 6; • A specific paragraph is also dedicated to the possible long term effects on composite members (§ 7); • Finally, a conclusion is drawn in § 8, summarising recent improvements in the knowledge about composite frame design and possible further developments. A first draft of this document was presented at the TC11 meeting held in Liège on March 2010. The present document is an updated draft to be discussed at the TC11 meeting held in Valencia on october 2012. Remark: the aspects related to the response of composite structures subjected to seismic or fire actions are not reported here as they are covered by other more “transversal” technical committees of ECCS (TC3 for the fire and TC13 for the seismic action). [less ▲]

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See detailRobustness of car parks against localised fire - Deliverable IV: Development of FEM model for car parks under localised fire
Fang, Cheng; Izzuddin, Bassam; Elghazouli, Ahmed et al

Report (2012)

Research Programme of the Research Fund for Coal and Steel - Steel RTD Project carried out with a financial grant of the Research Programme of the Research Fund for Coal and Steel - Grant Agreement Number ... [more ▼]

Research Programme of the Research Fund for Coal and Steel - Steel RTD Project carried out with a financial grant of the Research Programme of the Research Fund for Coal and Steel - Grant Agreement Number RFSR‐CT‐2008‐00036 [less ▲]

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See detailRobustness of car parks against localised fire - Deliverable VI: Development of design recommendations, critical appraisal and application to a study case
Fang, Cheng; Izzuddin, Bassam; Elghazouli, Ahmed et al

Report (2012)

Grant Agreement Number RFSR‐CT‐2008‐00036

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See detailHITUBES PROJECT DESIGN AND INTEGRITY ASSESSMENT OF HIGH STRENGTH TUBULAR STRUCTURES FOR EXTREME LOADING CONDITIONS - D4
Rivera, Sergio; Alvarez, Ricardo; Lezcano, Ricardo et al

Report (2012)

D4.1: Materials and fracture-mechanic properties including loading rate and corrosion D4.2: Test data on welded tubular connections D4.3: Performance of advanced post-treatment welding techniques D4.4 ... [more ▼]

D4.1: Materials and fracture-mechanic properties including loading rate and corrosion D4.2: Test data on welded tubular connections D4.3: Performance of advanced post-treatment welding techniques D4.4: Test data on bolted tubular connections [less ▲]

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See detailL'intelligence territoriale appliquée au service de la Province de Liège
Breuer, Christophe ULg; Marek, Allyson ULg; Devillet, Guénaël ULg

Report (2012)

Actes du colloque "Comment être acteur du développement de sa région ? : Un colloque international sur le thème de l’intelligence territoriale " (1) Nouvelle culture du développement (2) Outils et ... [more ▼]

Actes du colloque "Comment être acteur du développement de sa région ? : Un colloque international sur le thème de l’intelligence territoriale " (1) Nouvelle culture du développement (2) Outils et méthodes pour l’observation territoriale (3) Pistes d’actions concrètes pour tout territoire (4) Une appropriation indispensable par les acteurs [less ▲]

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See detailContribution au développement d’un procédé industriel de revêtement d’acier
Amoura, Makhlouf; Heinrichs, Benoît ULg

Report (2012)

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See detailRobustness of car parks against localised fire - Deliverable III: Development of simplified behavioural models
Haremza, Cécile; Santiago, Aldina; Simões da Silva, Luís et al

Report (2012)

Grant Agreement Number RFSR-CT-2008-00036

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See detailEssais de séparation magnétiques de scories Magotteaux
Bastin, David ULg

Report (2012)

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See detailASsessment of modelling uncertainties in long-TERm climate and sea level change projections"Aster" : final report
Fichefet, T; Loutre, M.-F.; Goosse, H. et al

Report (2012)

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See detailCentre Pilote wallon des céréales et oléo-protéagineux - Rapport de synthèse 2012
Bodson, Bernard ULg; Meza Morales, Walter; Monfort, Bruno et al

Report (2012)

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See detailATTEL PROJECT PERFORMANCE‐BASED APPROACHES FOR HIGH STRENGTH TUBULAR COLUMNS AND CONNECTIONS UNDER EARTHQUAKE AND FIRE LOADINGS - D2
Sommariva, Manuel; Maio, Daniele; Demonceau, Jean-François ULg et al

Report (2012)

D2.1: Report on the design of specimens D2.2: Definition of practical solutions for the selected typologies of column bases, of HSSCHS columns and HSS‐CFT columns and of HSS‐concrete composite ... [more ▼]

D2.1: Report on the design of specimens D2.2: Definition of practical solutions for the selected typologies of column bases, of HSSCHS columns and HSS‐CFT columns and of HSS‐concrete composite beam‐to‐column joints [less ▲]

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See detailRobustness of car parks against localised fire - Draft Final Report
Demonceau, Jean-François ULg; Huvelle, Clara ULg; Coméliau, Ludivine ULg et al

Report (2012)

Research Programme of the Research Fund for Coal and Steel Steel RTD Project carried out with a financial grant of the Research Programme of the Research Fund for Coal and Steel

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See detailHITUBES PROJECT DESIGN AND INTEGRITY ASSESSMENT OF HIGH STRENGTH TUBULAR STRUCTURES FOR EXTREME LOADING CONDITIONS - D6
Demofonti, Giuseppe; Zilli, Giuliana; Tamponi, Gian Marco et al

Report (2012)

D6.1: S-N data relevant to connections and refinement of the component method for bolted connections D6.2: Simulations data on tubular members D6.3: Simulation data on case studies and similar structural ... [more ▼]

D6.1: S-N data relevant to connections and refinement of the component method for bolted connections D6.2: Simulations data on tubular members D6.3: Simulation data on case studies and similar structural types. [less ▲]

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See detailNature+ asbl - Rapport d'activités 2011
Federspiel, Michèle; Bourland, Nils ULg; Daïnou, Kasso ULg et al

Report (2012)

En 2011, Nature+ a rencontré ses missions, notamment : en mettant en oeuvre deux projets de foresterie communautaire financés par des bailleurs internationaux ; en participant à la gestion durable de près ... [more ▼]

En 2011, Nature+ a rencontré ses missions, notamment : en mettant en oeuvre deux projets de foresterie communautaire financés par des bailleurs internationaux ; en participant à la gestion durable de près de 2 millions d’hectares de forêts denses humides tropicales grâce à nos collaborations avec des sociétés forestières engagées dans les processus de certification FSC ; en accueillant dans nos divers projets 12 étudiants en fin de cursus universitaire ainsi que 8 doctorants. 7 universités différentes ont ainsi reçu un appui administratif, technique et scientifique de Nature+. [less ▲]

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See detailHITUBES PROJECT DESIGN AND INTEGRITY ASSESSMENT OF HIGH STRENGTH TUBULAR STRUCTURES FOR EXTREME LOADING CONDITIONS - D2
Jaspart, Jean-Pierre ULg; Demonceau, Jean-François ULg; Hoang, Van Long ULg et al

Report (2012)

D2.1: Actions on foot- cycle-bridges and railway bridges and stresses on critical elements. D2.2: Validation of MB and FE software and estimation of stresses on critical elements.

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See detailRapport de l'expérience Collaborative du projet "Durabilité de l'Elevage et Gestion du Parasitime
Vankeerberghen, Audrey ULg; Stassart, Pierre M ULg

Report (2012)

La problématique traitée est celle de la transition des éleveurs vers des pratiques de gestion du parasitisme ayant un impact moins négatif sur l'environnement. Cette recherche est basée sur un travail ... [more ▼]

La problématique traitée est celle de la transition des éleveurs vers des pratiques de gestion du parasitisme ayant un impact moins négatif sur l'environnement. Cette recherche est basée sur un travail collaboratif avec les éleveurs permettant d'aborder la question du parasitisme animal à travers une exploration du « système-bouse » formé par la bouse, ses insectes coprophages, leurs prédateurs, et les vermifuges. Notre première hypothèse de travail est la suivante : dans la gestion du parasitisme en élevage bovin, la mise en place de pratiques ayant un impact moins négatif sur l'environnement (et donc sur les coprophages et leurs prédateurs) nécessite que les éleveurs s'intéressent à cette problématique et que celle-ci fasse sens pour eux. Notre but premier est donc de saisir quelle est leur propre compréhension du « système-bouse » et par quels biais il est possible d'intéresser les éleveurs pour modifier leurs pratiques. Dans un second temps, nous nous intéressons à la question de la transformation des pratiques anti-parasitaires chez les éleveurs wallons. Pour ce faire, nous mobilisons le cadre analytique ESR (Hill 1995) ainsi que la typologie des conceptions de la santé animale de Cabaret et Nicourt (2011). À travers les parcours des éleveurs rencontrés, nous cherchons à comprendre comment les éleveurs gèrent le parasitisme, quelle est leur conception de la maladie animale, dans quelle logique ils se situent. Ces parcours mettennt en évidence plusieurs logiques possibles de transformation des pratiques anti-parasitaires et d'apprentissage de nouvelles pratiques. Leur analyse souligne également l'importance du rôle que peut jouer la symbolique des parasitoses dans ces transformations. Finalement, nous entamons une réflexion sur les convergences et divergences entre les alternatives proposées et le système de gestion du pâturage et du troupeau chez les éleveurs. L'étude se conclut par un bilan des avantages et limites des différentes approches du modèle ESR dans le cas de la gestion du parasitisme ainsi que des freins et obstacles à la transformation à la reconfiguration des pratiques anti-parasitaires en Région wallonne. Il apparaît enfin que les éleveurs ne sont pas les seuls acteurs dans la gestion de la maladie animale et qu'une transformation est également nécessaire au sein des autres catégories d'acteurs impliquées. [less ▲]

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See detailHITUBES PROJECT DESIGN AND INTEGRITY ASSESSMENT OF HIGH STRENGTH TUBULAR STRUCTURES FOR EXTREME LOADING CONDITIONS - D3
Rivera, Sergio; Alvarez, Ricardo; Lezcano, Ricardo et al

Report (2012)

D3.1: Mechanical, toughness and corrosion properties for HSS employed in this study. D3.2: Cyclic test data of tubular (cylindrical) members or member assemblies D3.3: Buckling test data of tubular ... [more ▼]

D3.1: Mechanical, toughness and corrosion properties for HSS employed in this study. D3.2: Cyclic test data of tubular (cylindrical) members or member assemblies D3.3: Buckling test data of tubular (cylindrical) members or member assemblies [less ▲]

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See detailPerformance-based Approaches for high strength Tubular columns and connections under Earthquake and fire Loadings (ATTEL) - D4
Sommariva, Manuel; Maio, Daniele; Demonceau, Jean-François ULg et al

Report (2012)

Fire test data

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See detailHITUBES PROJECT DESIGN AND INTEGRITY ASSESSMENT OF HIGH STRENGTH TUBULAR STRUCTURES FOR EXTREME LOADING CONDITIONS - D8
Bursi, Oreste S.; Kumar, Anil; Demonceau, Jean-François ULg

Report (2012)

D8.1: Evaluation of the results of the SWOT analysis. D8.2: Evaluation of the results of the monitoring activity.

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See detailFlux-based risk assessment of the impact of contamnants on water ressources and ecosystems - FRAC-WECO.
Jamin, Pierre ULg; Dujardin, J.; Crévecoeur, Sophie et al

Report (2012)

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See detailFlux-based Risk Assessement of the impact of Contaminants on Water resources and ECOsystems
Jamin, Pierre ULg; Dujardin, Juliette; Crèvecoeur, Sophie et al

Report (2012)

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See detailSynthèse de 24 années de suivi d’une communauté de reptiles typiques du nord de l’Europe
Graitson, Eric ULg; Hussin, José; Vacher, Jean-Pierre

Report (2012)

The results of a 24 year survey of a community of reptiles typical of northern Europe along a 19 km long railway track in the South of Belgium suggests that: i) four among the six species (Anguis fragilis ... [more ▼]

The results of a 24 year survey of a community of reptiles typical of northern Europe along a 19 km long railway track in the South of Belgium suggests that: i) four among the six species (Anguis fragilis, Podarcis muralis, Zootoca vivipara, and Natrix natrix helvetica) exhibited stable abundance levels and distribution patterns; ii) Vipera berus strongly decreased and is now nearly extinct; iii) Coronella austriaca appeared in the course of the survey and its populations sharply increased. The decrease of Vipera berus can be explained by the degradation of some of its habitats. The causes of the increase of Coronella austriaca are unknown but might be linked to climate change. [less ▲]

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See detailImpact fiscal d’un projet touristique sur les pouvoirs locaux et les entités fédérées
Husson, Jean-François ULg; Bayenet, Benoît

Report (2012)

Cette étude vise à préciser quels sont les retours fiscaux pour les pouvoirs locaux et les entités fédérées (Wallonie et Fédération Wallonie-Bruxelles) d'investissements privés dans le secteur du tourisme ... [more ▼]

Cette étude vise à préciser quels sont les retours fiscaux pour les pouvoirs locaux et les entités fédérées (Wallonie et Fédération Wallonie-Bruxelles) d'investissements privés dans le secteur du tourisme. L'approche est économique (présentation des mécanismes, estimation d'ordre de grandeur) et favorise, en général, le recours à des taux implicites. Un Executive summary et un tableur Excel, permettant d'effectuer des simulations, complètent le rapport. [less ▲]

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See detailCopper-Cobalt Flora Report, Oxide Project Tenke Fungurume Mining,
Lebrun, Julie ULg; Seleck, Maxime ULg; Ilunga wa Ilunga, Edouard et al

Report (2012)

Baseline study, impact assessment and management measures for copper-cobalt habitat

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See detailÉtude sur les outils de maîtrise foncière à disposition des communes de la Région de Bruxelles-Capitale
Hauzeur, Thomas; Thiel, Patrick; Husson, Jean-François ULg

Report (2012)

My own contribution in this report deals mainly with the various budgetary, accounting and ESA95 aspects.

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See detailBelgian Report of activity in the frame of the International Association of Geodesy
Bruyninx, Carine; Dehant, Véronique ULg; Defraigne, Pascale et al

Report (2012)

Detailed reference viewed: 27 (1 ULg)