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See detailLes problématiques de l'adaptation et de l'intersubjectivité dans la psychothérapie
Englebert, Jérôme ULg

Scientific conference (2017, May 10)

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See detailIdentification of non-stationary dynamical systems using multivariate ARMA models
Bertha, Mathieu ULg; Golinval, Jean-Claude ULg

in Mechanical Systems and Signal Processing (2017), 88

This paper is concerned by the modal identification of time-varying mechanical systems. Based on previous works about autoregressive moving average models in vector form (ARMAV) for the modal ... [more ▼]

This paper is concerned by the modal identification of time-varying mechanical systems. Based on previous works about autoregressive moving average models in vector form (ARMAV) for the modal identification of linear time invariant systems, and time-varying autoregressive moving average models (TV-ARMA) for the identification of nonstationary systems, a time-varying ARMAV (TV-ARMAV) model is presented for the multivariate identification of time-varying systems. It results in the identification of not only the time-varying poles of the system but also of its respective time-varying mode shapes. The method is applied on a time-varying structure composed of a beam on which a mass is moving. [less ▲]

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See detailThe European Parliament as an actor in the global governance of culture: from voice to influence?
Vlassis, Antonios ULg

in Rioux, Michèle (Ed.) Culture, societies and digital technologies (2017)

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See detailFinite element model reduction for space thermal analysis
Jacques, Lionel ULg; Béchet, Eric ULg; Kerschen, Gaëtan ULg

in Finite Elements in Analysis and Design (2017), 127

To alleviate the computational burden of the nite element method for thermal analyses involving conduction and radiation, this paper proposes an automatic conductive-radiative reduction process based on ... [more ▼]

To alleviate the computational burden of the nite element method for thermal analyses involving conduction and radiation, this paper proposes an automatic conductive-radiative reduction process based on the clustering of a detailed mesh coming from a structural model for instance. The proposed method leads to a signi cant reduction of the number of radiative exchange factors (REFs) to compute and size of the corresponding matrix. It further keeps accurate conduction information by introducing the concept of physically meaningful super nodes. The REFs between the super nodes are computed through Monte Carlo ray-tracing on the partitioned mesh, preserving the versatility of the method. The resulting conductive-radiative reduced model is solved using standard iterative techniques and the detailed mesh temperatures can be recovered from the super nodes temperatures for further thermo-mechanical analysis. The proposed method is applied to a structural component of the Meteosat Third Generation mission and is benchmarked against ESATAN-TMS, the standard thermal analysis software used in the European aerospace industry. [less ▲]

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See detailFor a BRICS Agenda for Culture and the Creative Economy
Vlassis, Antonios ULg; Richieri-Hanania, Lilian

in Neuwirth, Rostam; Halis, Denis (Eds.) A BRICS-Lawyers' Guide to Global Cooperation (2017)

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See detailImpact of tillage on greenhouse gas emissions by an agricultural crop and dynamics of N2O fluxes: Insights from automated closed chamber measurements
Lognoul, Margaux ULg; Theodorakopoulos, Nicolas ULg; Hiel, Marie-Pierre ULg et al

in Soil & Tillage Research (2017), 167

Our experiment aimed at studying the impact of long term tillage treatments – reduced tillage (RT) and conventional tillage (CT), on CO2 and N2O emissions by soil and at describing the dynamics of N2O ... [more ▼]

Our experiment aimed at studying the impact of long term tillage treatments – reduced tillage (RT) and conventional tillage (CT), on CO2 and N2O emissions by soil and at describing the dynamics of N2O fluxes. Gas measurements were performed from June to October 2015 in a Belgian maize crop, with homemade automated closed chambers, allowing continuous measurement at a high temporal resolution. After 7 years of treatment, CO2 and N2O average emissions were significantly larger in the RT parcel than in the CT parcel. This observation was attributed to the effect of tillage on the distribution of crop residues within the soil profile, leading to higher soil organic C and total N contents and a greater microbial biomass in the upper layer in RT. A single N2O emission peak triggered by a sudden increase of water- filled pore space (WFPS) was observed in the beginning of the measuring campaign. The absence of large emission afterwards was most likely due to a decreasing availability of N as crop grew. N2O background fluxes showed to be significantly correlated to CO2 fluxes but not to WFPS, while the influence of soil temperature remained unclear. Our results question the suitability of reduced tillage as a “climate-smart” practice and suggest that more experiments be conducted on conservation practices and their potent negative effect on environment. [less ▲]

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See detailInternational norms and regions: Mercosur and ASEAN at the time of cultural diversity
Vlassis, Antonios ULg

in Política & Sociedade (2017)

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See detailBaelo dans l'Antiquité tardive. L'occupation du secteur sud-est du forum entre les IIIe et VIe s.
Brassous, Laurent; Deru, Xavier ULg; Rodriguez, Oliva et al

in Melanges de la Casa de Velazquez (2017), 47(1),

Les recherches archéologiques conduites au sud-est du forum de la ville romaine de Baelo claudia ont permis de mettre au jour au-dessus du secteur monumental, plusieurs phases de transformation, d’abandon ... [more ▼]

Les recherches archéologiques conduites au sud-est du forum de la ville romaine de Baelo claudia ont permis de mettre au jour au-dessus du secteur monumental, plusieurs phases de transformation, d’abandon et de réoccupation entre les IIIe et VIe s. Les structures découvertes ainsi que le nombreux mobilier qui leur était associé (monnaies, céramique, verre, métal, faune, etc.) fournissent un éclairage nouveau sur l’histoire et la nature de l’agglomération dans l’antiquité tardive, qui entre la fin du IVe s. et son abandon définitif au VIe s. ressemble moins à une ville qu’à un gros village. [less ▲]

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See detailCorps et virtualité : Psychopathologie du sujet borderline
Englebert, Jérôme ULg

Scientific conference (2017, March 24)

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See detailAmok. De quelques perdants radicaux chez Hans Magnus Enzensberger.
Hamers, Jérémy ULg; Cormann, Grégory ULg

Conference (2017, March 23)

En 2006, l’écrivain et essayiste allemand Hans Magnus Enzensberger publie Le perdant radical, un « essai sur les hommes de la terreur », conformément au sous-titre de cet ouvrage d’une soixantaine de ... [more ▼]

En 2006, l’écrivain et essayiste allemand Hans Magnus Enzensberger publie Le perdant radical, un « essai sur les hommes de la terreur », conformément au sous-titre de cet ouvrage d’une soixantaine de pages dans lequel l’auteur décrit les multiples facettes d’un ensemble de figures meurtrières. Du tireur fou dans un lycée américain au combattant islamiste ceinturé d’explosifs, isolé ou organisé en groupe, tout perdant radical répond au même mécanisme : c’est « lorsqu’il aura repris à son compte le jugement des autres, ceux qu’il tient pour les gagnants (…) qu’il pète les plombs. » L’indistinction est frappante : pour Enzensberger, le perdant radical peut sévir seul ou en groupe ; son moteur profond, irréductible à un engagement politique ou religieux, reste le même dans les deux cas. Car pour l’essayiste, rien, pas même une théorie critique de la société, ne permet de rendre compte de la nature du perdant radical, si ce n’est la suppression de l’instinct de conservation. Dans plusieurs textes littéraires – on songe notamment à son poème Zur Frage der Bedürfnisse (1991) et à son entretien autobiographique fictif avec lui-même Erinnerungen an einen Tumult (2014) –, Hans Magnus Enzensberger crée ou recrée des figures de terroristes qui réalisent parfaitement le profil type du perdant radical. Andreas Baader, les jeunes bourgeois d’une secte marxiste en Suède, un terroriste islamiste en fuite, un guérillero sud-américain qui a perdu tout sens de la réalité, autant de figures fictionnelles ou refictionnalisées qui, partant d’une même position d’échec apparemment imposée de l’extérieur et assumée en tant que telle, superposent destruction et autodestruction. L’hypothèse générale à laquelle nous voudrions soumettre ces personnages de terroristes est qu’ils sont les héritiers d’une figure essentielle pour la littérature allemande et anglo-saxonne : l’amok. [less ▲]

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See detailReconnaissance en psychiatrie légale
Englebert, Jérôme ULg

Scientific conference (2017, March 15)

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See detailRéflexions psychopathologiques sur la psychopathie
Englebert, Jérôme ULg

Scientific conference (2017, March 11)

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See detailCorps et dispositifs
Englebert, Jérôme ULg

Scientific conference (2017, March 08)

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See detailBioavailability enhancement of itraconazole-based solid dispersions produced by hot melt extrusion in the framework of the Three Rs rule
Thiry, Justine ULg; Kok, Miranda ULg; Collard, Laurence ULg et al

in European Journal of Pharmaceutical Sciences (2017), 99

Solid dispersion formulations made of itraconazole (ITZ) and Soluplus® (polyethylene glycol, polyvinyl acetate and polyvinylcaprolactame-based graft copolymer abbreviated SOL) were produced using hot melt ... [more ▼]

Solid dispersion formulations made of itraconazole (ITZ) and Soluplus® (polyethylene glycol, polyvinyl acetate and polyvinylcaprolactame-based graft copolymer abbreviated SOL) were produced using hot melt extrusion. Since ITZ possesses a water solubility of less than 1 ng/mL, the aim of this work was to enhance the aqueous solubility of ITZ, and thereby improve its bioavailability. The three formulations consisted of a simple SOL/ITZ amorphous solid dispersion (ASD), an optimized SOL/ITZ/AcDiSol® (super-disintegrant) ASD and an equimolar inclusion complex of ITZ in hydroxypropyl-β-cyclodextrin (substitution degree = 0.63, CD) with SOL. The three formulations were compared in vitro and in vivo to the marketed product Sporanox®. The in vitro enhancement of dissolution rate was evaluated using a biphasic dissolution test. In vitro dissolution results showed that all three formulations had a higher percentage of ITZ released than Sporanox® with the following ranking: SOL/ITZ/CD > SOL/ITZ/AcDiSol® > SOL/ITZ > Sporanox®. The bioavailability of these four formulations was evaluated in rats. The bioanalytical method was optimized so that only 10 μL of blood was withdrawn from the rats using specific volumetric absorptive microsampling devices. This enabled to keep the same rats during the whole study, which was in accordance with the Three Rs rules (reduction, refinement and replacement). Furthermore, this technique allowed the suppression of inter-individual variability. Higher Cmax and AUC were obtained after the administration of all three formulations compared to the levels after the use of Sporanox® as follows: SOL/ITZ/AcDiSol® > SOL/ITZ/CD > SOL/ITZ > Sporanox®. The inversion in the ranking between SOL/ITZ/CD and SOL/ITZ/AcDiSol® made impossible the establishment of an in vitro–vivo correlation. Indeed, very different release rates were obtained in vitro and in vivo for the two optimized formulations. These results suggest that ITZ would be protected inside the core of the SOL micelles even during the absorption step at the intestine, while some agents present in the intestinal fluids could displace ITZ from the hydrophobic cavity of CD by competition. [less ▲]

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