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Dynamics of Ferrofluidic Flow in the Taylor-Couette System With a Small Aspect Ratio

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We investigate fundamental nonlinear dynamics of ferrofluidic Taylor-Couette flow - flow confined be-tween two concentric independently rotating cylinders - consider small aspect ratio by solving the ferro-hydrodynamical equations, carrying out systematic bifurcation analysis. Without magnetic field, we find steady flow

We investigate fundamental nonlinear dynamics of ferrofluidic Taylor-Couette flow - flow confined be-tween two concentric independently rotating cylinders - consider small aspect ratio by solving the ferro-hydrodynamical equations, carrying out systematic bifurcation analysis. Without magnetic field, we find steady flow patterns, previously observed with a simple fluid, such as those containing normal one- or two vortex cells, as well as anomalous one-cell and twin-cell flow states. However, when a symmetry-breaking transverse magnetic field is present, all flow states exhibit stimulated, finite two-fold mode. Various bifurcations between steady and unsteady states can occur, corresponding to the transitions between the two-cell and one-cell states. While unsteady, axially oscillating flow states can arise, we also detect the emergence of new unsteady flow states. In particular, we uncover two new states: one contains only the azimuthally oscillating solution in the configuration of the twin-cell flow state, and an-other a rotating flow state. Topologically, these flow states are a limit cycle and a quasiperiodic solution on a two-torus, respectively. Emergence of new flow states in addition to observed ones with classical fluid, indicates that richer but potentially more controllable dynamics in ferrofluidic flows, as such flow states depend on the external magnetic field.

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2017-01-06

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Urban Culture in Lyon, France Today: Exploring its Creators and Consumers

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This work aims to give the general public a unique insight into French urban culture through my experience while living and filming a personal documentary in Lyon, France. The goal of the project is to examine and consequently describe what

This work aims to give the general public a unique insight into French urban culture through my experience while living and filming a personal documentary in Lyon, France. The goal of the project is to examine and consequently describe what this culture consists of while comparing and contrasting it to our own urban culture. The work depicts the creators and performers of the culture as well as its audience, which differs from our own here in the U.S in part thanks to France's efficient public transportation system, used by people from every social class. Immersing myself in this fascinating world truly helped me get through to the heart of the French people and artists that make up the urban culture in Lyon. Observing performances and daily practices while digging deep into each artist's story allowed me to unravel the identity of this culture one person at a time.

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2015-05

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Le dédoublement, les contradictions et la diversité dans le théâtre de Musset à travers Les caprices de Marianne et On ne badine pas avec l'Amour

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Alfred de Musset (1810-1857) is one of the greatest playwrights of the Romantic era. The most attractive fact of his work is the diversity of topics, genres, tones, opinions and styles. Musset's theater was created in the romantic drama period,

Alfred de Musset (1810-1857) is one of the greatest playwrights of the Romantic era. The most attractive fact of his work is the diversity of topics, genres, tones, opinions and styles. Musset's theater was created in the romantic drama period, which was influenced by abroad. He sought freedom of creation and sometimes showed independence from writers taking his own initiatives to change and mix different writing styles. Throughout the different parts of this thesis, I analyzed in detail the dramatic work of Musset, especially through his two plays, Les Caprices de Marianne (1833) and On ne Badine pas avec l'Amour (1834), to study the artistic originality of such an exceptionally talented artist. He lived in the Romantic period but never forgot his predecessors to whom he paid tribute. He was influenced by them while preserving his work's originality. This thesis consists of two chapters, the first is devoted to the Romanticism and its influence on Musset's dramatic work, and the second is about the different literary doctrines that have left their mark on Musset's theater. By studying them, I show how Musset used his talent to mix and match these several types of doctrines to create a unique artwork that is still alive and interesting today.

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2011

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M.N. and the Yorkshire circle: the motivation behind the translation of the Mirouer des simples ames in fourteenth-century England

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In 1999, Geneviève Hasenohr announced the discovery of a fragment of Marguerite Porete's Mirouer des Simples Ames, a work condemned by the Church at the University of Paris in 1310, hidden in a manuscript at the Bibliothèque municipale in Valenciennes.

In 1999, Geneviève Hasenohr announced the discovery of a fragment of Marguerite Porete's Mirouer des Simples Ames, a work condemned by the Church at the University of Paris in 1310, hidden in a manuscript at the Bibliothèque municipale in Valenciennes. The fragment corresponds with roughly two chapters in the only extant French version of the manuscript (Chantilly, Musée Condé MS F XIV 26), and when compared with other editions of the Mirouer, it appears to be composed in what might have been Marguerite Porete's native dialect. The discovery changed scholars' perceptions of the weight of the various versions and translations - the Chantilly manuscript had been used previously to settle any questions of discrepancy, but now it appears that the Continental Latin and Middle English translations should be the arbiters. This discovery has elevated the Middle English editions, and has made the question of the translator's identity - he is known only by his initials M.N. - and background more imperative to an understanding of why a work with such a dubious history would be translated and harbored by English Carthusians in the century that followed its condemnation. The only candidate suggested for translator of the Mirouer has been Michael Northburgh (d. 1361), the Bishop of London and co-founder of the London Charterhouse, where two of the three remaining copies of the translation were once owned, but the language of the text and Northburgh's own position and interests do not fit this suggestion. My argument is that the content of the book, the method of its translation, its selection as a work for a Latin-illiterate audience, all fit within the interests of a circle of writers based in Yorkshire at the end of the fourteenth century. By beginning among the Yorkshire circle, and widening the search to include writers with a non-traditional contemplative audience, one that exists outside of the cloister - writers like Walter Hilton, the anonymous authors of the Cloud of Unknowing and the Chastising of God's Children, and Nicholas Love - we may have a better chance of locating and understanding the motives of the Middle English translator of the Mirouer.

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2011

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Le naturalisme, le déterminisme et l'étude du milieu dans Germinal d'Émile Zola et Sub terra de Baldomero Lillo

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ABSTRACT Emile Zola is considered one of the fathers of 19th century French Naturalist literature. He is famous for his eloquence, sarcasm and is well known for being a provocateur. He wants to follow the principles of science: observation of

ABSTRACT Emile Zola is considered one of the fathers of 19th century French Naturalist literature. He is famous for his eloquence, sarcasm and is well known for being a provocateur. He wants to follow the principles of science: observation of his characters in their living environment (or milieu). He holds that individuals inherit physical and personality traits from their ancestors, such as atavism, which can be passed from grandfather to father and father to son. This assumption leads to Social Darwinism and impacted Zola like many other European intellectuals who believed in the new social sciences. Religion was going extinct on the old continent and the trend was to apply these theories to literature and humanities. The author also captures the political and social unrest of a struggling working class in his novel Germinal, where starving miners rebel against the bourgeois class that exploits them. Baldomero Lillo is a Chilean naturalist follower of Emile Zola who found inspiration in Germinal to write Sub Terra-short stories depicting the grim life of the coal miners. The author knows them well since he shared his existence with the miners in Lota, in the southern region of Santiago. Unlike Zola, Lillo, who was less educated and less inclined to trust science, opts for a compassionate Naturalism which relates more to his culture and personal inclinations. Le milieu or el medio ambiente in the Sub Terra stories is dreadful and the author seeks to expose the master/slave relationship in a society that still resembles the European Middle Ages. Le milieu, that is to say the external forces that surround the miners (their geographical, social and political environment), eventually engulfs and condemns them to a life of servitude and misery. Determinism on both continents decides the fate of each member of the society.  

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2012