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Derrida and metaphor : drawing out the relation between metaphor and proper meaning through différanceBrown, Matthew A. January 2007 (has links)
Mémoire numérisé par la Division de la gestion de documents et des archives de l'Université de Montréal
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TIKRINIŲ REIKŠMIŲ UŽDAVINYS ANTROSIOS EILĖS DIFERENCIALINEI LYGČIAI / The eigenvalue problem for the second order differential equationRusteika, Ričardas 07 September 2010 (has links)
Nagrinėsime lygties radijinę dalį. Ieškosime radijinės lygties sprendinių, t.y. spręsime kraštinį uždavinį su nulinėmis kraštinėmis sąlygomis nuliniame ir be galo nutolusiame taške. Ieškosime energijos tikrinių reikšmių ir tas reikšmes atitinkančių tikrinių funkcijų. / Explore the equation of radijinę. Look radijinės equation, namely Judging from the extreme challenge of the zero boundary conditions nuliniame and infinitely remote point. Look for the energy eigenvalues and the corresponding values for proper function.
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Terminology, proper nouns and adaption : A translation study of three sports textsLöfgren, Kristina January 2014 (has links)
This term paper concerns the translation of three sports texts from English to Swedish. The main aim of the paper was to show which procedures that were used when translating sports terminology and proper nouns. A secondary aim was to look at challenges involved in the translation process, namely, adapting the translations to a new target audience and making sure the target text is up-to-date. The method used in the term paper included a couple of steps. The first one was to select primary sources. The material chosen for this study was three articles about the world’s best football or rugby players. Once the translation was accomplished, the second step was to choose examples from the target text on which the analyses could be based. At this stage, it was mostly the hard-to-translate terms and proper nouns, which were chosen. Finally, the mentioned challenges were analysed and the outcome was presented in a qualitative study. To support the analyses various secondary sources were used. The study showed that Ingo’s strategies were applicable while translating proper nouns. Also Ingo’s other guidelines regarding additions and omissions turned out to be useful. On the other hand, Vinay & Darbelnet’s models were helpful when handling sports terminology.
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Translation of Characters' Names and Geographical Names from English into Lithuanian in J.R.R. Tolkien's The Lord of the Rings: the Fellowship of the Ring / Veikėjų vardų ir vietovardžių vertimas iš anglų kalbos į lietuvių J.R.R. Tolkieno romane Žiedų Valdovas: Žiedo brolijaJonikaitė, Agnė 17 July 2014 (has links)
The main objective and primary aim of the paper was to analyze translation strategies which were employed while translating geographical and characters’ names from English into Lithuanian in John Ronald Reuel Tolkien’s novel The Lord of the Rings: The Fellowship of the Ring.The study set out with the objective of assessing the theoretical background of translation of culture specific items. The main concern was the definition and categorization of non- equivalence and related concepts. Moreover, the core object of the paper was to disclose the usage of translation strategies that were employed while translating the proper names from English into Lithuanian. / Pagrindinis darbo tikslas buvo išanalizuoti vertimo strategijas, kurios buvo naudojamos verčiant veikėjų vardus ir vietovardžius iš anglų kalbos į lietuvių J.R.R. Tolkieno romane Žiedų Valdovas:Žiedo Brolija. Darbo tikslas buvo ištirti teorinę medžiagą susijusią su kultūrinių realijų vertimu. Didelis dėmesys buvo skirtas neekvivalentiškumo ir susijusių konceptų aiškinimui.Be to, pagrindinis darbo uždavinys buvo išsiaiškinti, kaip buvo pritaikytos vertimo strategijos verčiant tikrinius vardus iš anglų kalbos į lietuvių.
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Study of coherent structures in turbulent flows using Proper Orthogonal Decomposition2014 November 1900 (has links)
For many decades, turbulence has been the subject of extensive numerical research and experimental work. A bottleneck problem in turbulence research has been to detect and characterize the energetic, space and time-dependent structures and give a mathematical definition to each topology. This research presents a fundamental study of coherent structures, embedded in turbulent flows, by use of Proper Orthogonal Decomposition (POD). The target is to detect dominant features which contain the largest fraction of the total kinetic energy and hence contribute more to a turbulent flow. POD is proven to be a robust methodology in multivariate analysis of non-linear problems. This method also helps to obtain a low-dimensional approximation of a high-dimensional process, like a turbulent flow.
This manuscript-based dissertation consists of five chapters. The first chapter starts with a brief introduction to turbulence, available simulation techniques, limitations and practical applications. Next, POD is introduced and the step-by-step approach is explained in detail.
Three submitted manuscripts are presented in the subsequent chapters. Each chapter starts with introducing the study case and explaining the contribution of the study to the whole topic and also has its topic-relevant literature review. Each article consists of two parts: flow simulation and verification of the results at the onset, followed by POD analysis and reconstruction of the turbulent flow fields. For flow simulation, Large Eddy Simulation (LES) was performed to obtain databases for POD analysis. The simulations were validated by making comparison with available experimental and numerical studies. For each case, coherent topologies are characterized and the contribution of kinetic energy for each structure is determined and compared with previous literature.
The first manuscript focused on investigating the large-scale dynamics in the wake of an infinite square cylinder. This case is the first step towards the targeting study case of this research, i.e. flow over rib roughened walls. The main purpose the first step is to establish a benchmark for comparison to the more complicated cases of a square cylinder with a nearby wall and flow over a rib-roughened surface. For POD analysis, the three-dimensional velocity field is obtained from LES of the flow around an infinite square cylinder at a Reynolds number of Re = 500. The POD algorithm is examined and the total energy of the flow is found to be well captured by only a small number of eigenmodes. From the energy spectrum, it is learned that each eigenmode represents a particular flow characteristic embedded in the turbulent wake, and eigenmodes with analogous characteristics can be bundled as pairs. Qualitative analysis of the dominant modes provided insight as to the spatial distribution of dominant structures in the turbulent wake. Another outcome of this chapter is to develop physical interpretations of the energetic structures by examining the temporal coefficients and tracking their life-cycle. It was observed that the paired temporal coefficients are approximately sinusoidal with similar order of magnitude and frequency and a phase shift. Lastly, it was observed that the turbulent flow field can be approximated by a linear combination of the mean flow and a finite number of spatial modes.
The second manuscript analyses the influence of a solid wall on the wake dynamics of an infinite square cylinder. Different cases have been studied by changing the distance between the cylinder and the bottom wall. From the simulation results, it is learned that the value of drag and lift coefficients can be significantly affected by a nearby solid wall. From the energy decay spectrum it is observed that the energy decay rate varies for different gap ratios and accordingly a physical explanation is developed. Visualization of coherent structures for each case shows that for larger gaps, although the structures are distorted and inclined away from the wall, the travelling wave characteristic persists. Lastly, it is observed that as the gap ratio gets smaller, energetic structures originated by the wall begin to appear in the lower index modes.
The last manuscript presents a numerical study of the structures in turbulent Couette flow with roughness on one wall, which as mentioned earlier, is the targeting study case of this research. Flow over both roughened and smooth surfaces was examined in a single study. Comparison was made with experiments and other numerical studies to verify the LES results. The mean velocity distribution across the channel shows that the rib roughness on the bottom wall has a strong effect on the velocity profile on the opposite wall. The energetic coherent dynamics of turbulent flow were investigated by the use of POD. The energy decay spectrum was analysed and the influence of a roughened wall and each roughness element on formation of those structures was investigated. Coherent POD modes on a spanwise sampling plane are detected. A secondary swirling motion is visualized, for the first two modes and counter-rotating cells are observed in the lower region of the channel above the rough wall for the higher modes. At the end, a quantitative analysis of the POD temporal coefficients was performed, which characterize the life-cycle of each coherent dynamic. A motivating outcome of this analysis is to decompose the time trace curves into quasi-periodic and fluctuations curves and to detect a linkage between these life cycles and physical meaning and location of each energetic pattern.
At the end, in a closuring chapter, concluding remarks of this research work are presented in more detail and some potential extensions have been proposed for future researchers.
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A POD-Galerkin approach to the atmospheric dynamics of MarsMartínez-Alvarado, Oscar January 2007 (has links)
The observation of less chaoticity and enhanced interannual periodicity of transient waves in the Martian atmosphere in comparison with that of the Earth suggests the hypothesis of a low-dimensional underlying atmospheric attractor. Grounded on this hypothesis, two questions can be asked: is there a small set of atmospheric modes, measured and classified by a suitable norm, capable of describing the atmosphere of Mars? If this set exists, are those atmospheric modes able to reproduce the dynamical behaviour of the atmosphere of Mars? The answer to these questions, constituting the central focus of this thesis, has led to the first application of POD-Galerkin methods to a state-of-the-art Mars general circulation model. The proper orthogonal decomposition (POD) as a method for extracting coherent structures, called empirical orthogonal functions (EOFs), provided a means to answer the first question in the positive. An important amount of atmospheric total energy (TE) was found to be concentrated in a few EOFs (e.g., 90% TE in 20 EOFs). The most energetic EOFs were identified with atmospheric motions such as thermal tides and transient waves. The Galerkin projection of the hydrostatic primitive equations onto the span of the EOFs provided a systematic method to establish physically plausible interactions between the most energetic EOFs. These interactions were complemented with closure schemes representing interactions with unresolved modes. This requirement proved to be essential in order to obtain bounded behaviour. In the diagnostic analysis, represented by the POD alone, increasing the number of EOFs directly leads to a better approximation of the atmospheric state. In contrast, the dynamic reconstruction of the atmospheric evolution does not depend only on the number of included EOFs. Other important factors to obtain realistic evolution are the inclusion of every mode involved in the description of a particular kind of motion (diurnal tide, semidiurnal tide or transients) and the retention of higher order modes that may interact strongly with the modes of interest. Once these conditions are satisfied the behaviour of the reduced models is greatly improved. Implications of these findings for future work are discussed.
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Transient reduced-order convective heat transfer modeling for a data centerGhosh, Rajat 12 January 2015 (has links)
A measurement-based reduced-order heat transfer modeling framework is developed to optimize cooling costs of dynamic and virtualized data centers. The reduced-order model is based on a proper orthogonal decomposition-based model order reduction technique. For data center heat transfer modeling, the framework simulates air temperatures and CPU temperatures as a parametric response surface with different cooling infrastructure design variables as the input parameters. The parametric framework enables an efficient design optimization tool and is used to solve several important problems related to energy-efficient thermal design of data centers.
The first of these problems is about determining optimal response time during emergencies such as power outages in data centers. To solve this problem, transient air temperatures are modeled with time as a parameter. This parametric prediction framework is useful as a near-real-time thermal prognostic tool.
The second problem pertains to reducing temperature monitoring cost in data centers. To solve this problem, transient air temperatures are modeled with spatial location as the parameter. This parametric model improves spatial resolution of measured temperature data and thereby reduces sensor requisition for transient temperature monitoring in data centers.
The third problem is related to determining optimal cooling set points in response to dynamically-evolving heat loads in a data center. To solve this problem, transient air temperatures are modeled with heat load and time as the parameters. This modeling framework is particularly suitable for life-cycle design of data center cooling infrastructure.
The last problem is related to determining optimal cooling set points in response to dynamically-evolving computing workload in a virtualized data center. To solve this problem, transient CPU temperatures under a given computing load profile are modeled with cooling resource set-points as the parameters.
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Expected Numbers of Proper Premises and Concept IntentsDistel, Felix, Borchmann, Daniel 17 October 2011 (has links) (PDF)
We compute the expected numbers of both formal concepts and proper premises in a formal context that is chosen uniformly at random among all formal contexts of given dimensions.
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Des modes de signifiance du nom propre : l'exemple de M. Mammeri, Y. Kateb et J.-M.-G. Le Clézio / Modes(Fashions) of significance of the proper name : the example of M. Mammeri,Y. Kateb and J.M.G Le ClézioSaïm, Boussad 04 October 2013 (has links)
L'objectif de la thèse consiste à analyser les modes de signifiance du nom propre dans les œuvres de M.Mammeri, Y. Kateb et J-M-G Le Clézio. La première partie porte sur les lieux communs du propre. La tradition, l'école envisagée dans le contexte colonial et la civilisation techniciste peuvent constituer des sources d'aliénation du nom. Aussi se transforment-ils souvent en lieux de tensions idéologiques qui se traduisent dans le conflit entre les enfants et les pères, le colonisé et le colonisateur. Pour parer à ce défaut d'être, les écrivains vont opérer un retour au lieu. C'est l'objet de la deuxième partie qui est consacrée à la reconquête symbolique du propre. Les lieux vont jouer un rôle déterminant dans la vie des personnages et seront intimement liés à leur destin et à leur nom. La troisième partie, placée sous le signe de l'écriture,vise à penser le nom dans une option radicale en tant que moyen dans la quête de l'absolu. / L'auteur n'a pas fourni de résumé en anglais.
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Onomastique de l’art culinaire en France / Onomatics of the Culinary Art in FranceFaivre, Carole 14 September 2012 (has links)
La gastronomie et l'onomastique n'ont encore jamais fait l'objet d'étude, de manière conjointe, d'un point de vue linguistique. L’objectif de cette thèse est de proposer un point de départ à une réflexion sur la structure, la nature et la place du nom propre dans la gastronomie française. Pour ce faire, après avoir exposé les différentes problématiques liées à la définition des concepts de gastronomie et de nom propre, nous avons réalisé une synthèse des principaux éléments théoriques qui servent de base à la recherche sur les noms de plats, tant sous un angle linguistique, historique qu’artistique ou législatif. La nécessité d’effectuer une distinction entre appellation culinaire et dénomination gastronomique selon la place qu’occupe le nom de plat sur un axe nom propre / nom commun s’est vite imposée et pour vérifier dans quelle mesure les types de noms propres dans les noms de plats sont conditionnés par le contexte, deux sortes de corpus ont été constitués. Sera d’abord traitée l’évolution du nom propre dans la gastronomie à travers le prisme de la norme dictionnairique au cours des 70 dernières années, au moyen d'une comparaison lexicographique des deux éditions du Larousse Gastronomique (1938 et 2007). Pour ce faire, une catégorisation des noms propres relevés dans le corpus a été établie. Dans un deuxième temps, la place des noms propres dans un corpus témoignant de l’usage a été examinée, en rassemblant des menus de restaurants parisiens ainsi que des dépliants publicitaires de la restauration livrée. / Gastronomy and onomastics have never previously been the subject of a joint study from a linguistic point of view. The objective of this thesis is to provide a starting point for research on the structure, nature and place of proper names in French gastronomy. After considering the various problems related to the definition of such concepts as gastronomy and proper name, we achieved a synthesis of the main theoretical elements that form the basis for research on the names of dishes from a linguistic, artistic, historic or legislative perspective. Then, a distinction was made between culinary denomination and gastronomic designation in relation to the place of a dish name on a proper name / common name axis, although the separation between the two poles is sometimes blurred and cannot be considered to be strict. Two kinds of corpus are established in order to verify that the types of proper names in gastronomy depend on the context where dish names originate. First, the evolution of the proper name in gastronomy over the past 70 years is studied from a normative perspective through the lexical comparison of the first and the latest editions of the Larousse Gastronomique (1938 and 2007) and the establishment of a categorization of proper names. Second, proper names in a corpus reflecting the use was examined using Parisian restaurant menus and flyers advertising for food delivery. The comparison of the results for the two types of corpus will shed light on the differences, both quantitative and classificatory, in the use of proper names in a normative or in a creative context.
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