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Peer Reviewed
See detailAn Elastic-visco-plastic Damage Model: from Theory to Application
Wang, X. C.; Habraken, Anne ULg

in Journal de Physique IV (1996, October), 6

Detailed reference viewed: 26 (2 ULg)
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See detailElasticité
Debongnie, Jean-François ULg

Book published by DEBONGNIE (Jean-François) (2011)

Mathematical preliminaries. Kinematics of a deformable body. Virtual work principle. Hyperelastic bodies. Linear elasticity. Torsion of prismatic beams. Boussinesq's problem. Hertz problem. Variational ... [more ▼]

Mathematical preliminaries. Kinematics of a deformable body. Virtual work principle. Hyperelastic bodies. Linear elasticity. Torsion of prismatic beams. Boussinesq's problem. Hertz problem. Variational principles. Plane elasticity. Technical beam theory. Theory of plates. External energetical theorems. Influence diagrams. Stability of elastic systems. Elasticity equations in curvilinear coordinates. [less ▲]

Detailed reference viewed: 173 (14 ULg)
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See detailElasto-inertial turbulence in polymeric flows
Terrapon, Vincent ULg; Dubief, Yves; Soria, Julio

Conference (2013, November 26)

The dynamics of elasto-inertial turbulence (EIT) is investigated numerically from the perspective of the coupling between polymer dynamics and flow structures. In particular, direct numerical simulations ... [more ▼]

The dynamics of elasto-inertial turbulence (EIT) is investigated numerically from the perspective of the coupling between polymer dynamics and flow structures. In particular, direct numerical simulations of channel flow with Reynolds numbers ranging from 1000 to 6000 are used to study the formation and dynamics of elastic instabilities and their effects on the flow. Based on the splitting of the pressure into inertial and polymeric contributions, it is shown that the trains of cylindrical structures around thin sheets of high polymer extension that are characteristics to elasto-inertial turbulence are mostly driven by polymeric contributions. [less ▲]

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See detailElasto-plastic material parameter identification by inverse methods: sensitivity matrix calculation
Cooreman, Steven; Bouffioux, Chantal ULg; Lecompte, David et al

in Proceedings of the SEM annual conference and exposition 2006 (2006)

Inverse methods offer a powerful tool for the determination of the elasto-plastic material properties. Contrary to standard tests, these methods can deal with heterogeneous stress and strain-fields which ... [more ▼]

Inverse methods offer a powerful tool for the determination of the elasto-plastic material properties. Contrary to standard tests, these methods can deal with heterogeneous stress and strain-fields which have a larger information contents and hence allow the simultaneous identification of several material parameters. Moreover, it is expected that the obtained material parameters are more accurate, since these heterogeneous deformation fields are much closer to those occurring in real (metal) forming operations. The principle of the inverse method for the identification of material parameters presented in this paper is to compare an experimentally measured strain field to that computed by a Finite Element (FE) model. The material parameters in the FE model are iteratively tuned in such a way that both strain fields match each other as close as possible. One of the building blocks in this identification procedure is the updating algorithm for the material parameters in the FE model. The key problem of this updating algorithm is the determination of the sensitivity matrix, which expresses the sensitivities of the strains with respect to the material parameters. This paper presents an analytical method for the calculation of this sensitivity matrix in case of simple tensile tests. [less ▲]

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See detailAn elasto-viscoplastic model for chalk including suction effects
Collin, Frédéric ULg; De Gennaro, Vincenzo; Delage, Pierre et al

in Toll, David (Ed.) Unsaturated Soils: Advances in Geo-Engineering (2008)

During the six years long Pasachalk project devoted to the mechanical behaviour of high porosity chalks from North Sea oilfields, the constitutive model Pasachalk (Collin et al., 2002) was proposed based ... [more ▼]

During the six years long Pasachalk project devoted to the mechanical behaviour of high porosity chalks from North Sea oilfields, the constitutive model Pasachalk (Collin et al., 2002) was proposed based on the Barcelona Basic Model (BBM) (Alonso et al., 1990). The approach was based on the similarities found between the oil-water interactions (oil and water being the non wetting and wetting fluid respectively) in oil reservoir chalk and the air-water interactions in unsaturated soils. This approach appeared to be relevant to in-terpret the subsidence of the seafloor during waterflooding operations for enhanced oil recovery that has been observed in North Sea oilfields (e.g. Ekofisk oilfield). Another important component of subsidence was then related to the creep behaviour of the multiphase chalk (De Gennaro et al., 2003). A modified Pasachalk model was proposed to account for time effects using the framework of Perzyna’s viscoplasticity (1964) but without considering suction effects. Based on available experimental results (Priol et al., 2007), a modified version of the viscoplastic Pasachalk model including suction effects is proposed in this paper. [less ▲]

Detailed reference viewed: 112 (7 ULg)
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See detailAn elasto-viscoplastic model for forging steel at high temperatures
Charles, J.-F.; Habraken, Anne ULg; Lecomte-Beckers, Jacqueline ULg

in Proceedings of NUMIFORM 98, Simulation of Materials Processing : Theory, Methods and Applications (1998)

Detailed reference viewed: 10 (3 ULg)
Peer Reviewed
See detailElastoplastic anisotropic model based on texture analysis to simulate steel sheet behavior
Duchene, Laurent ULg; Habraken, Anne ULg; Cescotto, Serge ULg

in 7th International Symposium on Plasticity (1999)

Detailed reference viewed: 8 (4 ULg)
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See detailAn elastoplastic model with combined isotropic–kinematic hardening to predict the cyclic behavior of stiff clays
Hong, P.Y.; Pereira, J.M.; Cui, Y.J et al

in Computers and Geotechnics (2014)

Detailed reference viewed: 11 (4 ULg)
Peer Reviewed
See detailELBW Infants Benefit More of Optimized Nutritional Supply
SENTERRE, Thibault ULg; Habibi, F; Rigo, J

in Pediatric Academic Societies and Asian Society for Pediatric Research Joint Meeting (2011)

Detailed reference viewed: 11 (0 ULg)
See detaileLearning : Definitions, Illustrations and Added-value for University Teaching
Poumay, Marianne ULg

Scientific conference (2006, November 09)

Detailed reference viewed: 10 (0 ULg)
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See detaileLearning COLEACP : un dispositif de formation au service des professionnels du secteur agricole en Afrique
Prunier, Emmanuelle; Le Hung, Florian; Schiffers, Bruno ULg

in ELearning Africa 2014 - Book of Abstracts (2014)

Le dispositif de formation à distance du COLEACP (Comité de Liaison Europe-Afrique-Caraïbes-Pacifique) est une composante d'un système complet de formation dédié au renforcement des capacités des ... [more ▼]

Le dispositif de formation à distance du COLEACP (Comité de Liaison Europe-Afrique-Caraïbes-Pacifique) est une composante d'un système complet de formation dédié au renforcement des capacités des opérateurs des filières agricoles des pays ACP (Afrique Caraïbes et Pacifique). [less ▲]

Detailed reference viewed: 19 (1 ULg)
See detailL'eLearning dans votre entreprise
Poumay, Marianne ULg; Philippart, Sophie ULg

Conference given outside the academic context (2007)

Detailed reference viewed: 16 (3 ULg)
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See detaileLearning et évaluation formative, un mariage heureux
Van de Poël, Jean-François ULg

Conference (2011, November)

Cette présentation était destinée à démontrer en quoi les outils eLearning pouvaient être mis au service des démarches d'évaluation formative mises en oeuvre par les enseignants.

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Peer Reviewed
See detailL'eLearning et les femmes : retour d'expérience. Une étude exploratoire auprès de 22 femmes
Lesire, Catherine ULg; Géron, Stéphanie ULg; Georges, François ULg

in Paliard, C.; Nkambou, R.; Narce, C. (Eds.) et al Actes du 8ème Colloque Technologies de l’Information et de la Communication pour l’Enseignement: Intégration Technologique et Nouvelles Perspectives d’Usage (2012, December)

Who are the women who learn online ? Why and in which circumstances have they chosen to learn online ? Have they taken advantage of this experience ? In this article, we speak about the exploratory survey ... [more ▼]

Who are the women who learn online ? Why and in which circumstances have they chosen to learn online ? Have they taken advantage of this experience ? In this article, we speak about the exploratory survey carried out with 22 women to know their motivation in online courses, what they did during those courses and what they remember of their experience. We also wanted to know whether eLearning gave women the opportunity to learn and to be trained even when they have a lot of responsabilities and sometimes little time to learn. [less ▲]

Detailed reference viewed: 62 (12 ULg)
See detailL’eLearning – Quel intérêt pour l’ULg ?
Poumay, Marianne ULg

Scientific conference (2007, March 12)

Detailed reference viewed: 6 (0 ULg)
See detailL’eLearning, Cheval de Troyes de la qualité pédagogique
Poumay, Marianne ULg

Conference given outside the academic context (2005)

Detailed reference viewed: 10 (1 ULg)
See detailL’eLearning, un outil pour la remédiation
Poumay, Marianne ULg

Conference given outside the academic context (2010)

Detailed reference viewed: 107 (14 ULg)
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Peer Reviewed
See detailL'élection de domicile en procédure pénale
Michiels, Olivier ULg

in Revue de Droit Pénal et de Criminologie (2006)

L'article examine les implications de la notion de domicile et de domicile élu sur la régularité des significations des actes judiciaires.

Detailed reference viewed: 326 (0 ULg)