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RISS 인기검색어
- 검색키워드
- 저자 : Crean, Jeremy Paul (검색결과 3 건)
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Crean, Jeremy Paul University of California, Berkeley 2001 해외박사(DDOD)
This dissertation evaluates the structuring roles played by affect in the work of four twentieth-century poets: Mina Loy, Elizabeth Bishop, Lyn Hejinian, and Leslie Scalapino. The thesis of this project has two parts. The first derives from the work of the psychologist, Silvan Tomkins, who claims that negative affects, such as fear, contempt, and shame severely limit the freedom enjoyed by human agents, while the positive affects, such as joy and interest actually magnify the intensity of agents' freedom. Following from this, I address the various modes in which the poets involve the affects with freedom in their writing. Loy, I argue, seeks a way to navigate the shame and disgust produced in a female agent who is confronted with the misogyny of Italian Futurism. I look, as well, at the connection that grows between the positive affects and intersubjective intimacy in Loy's writing, and I use that connection to explain Loy's turn to portrait-poems late in her career. Bishop, I contend, develops her notion of travel in order to counter the fearfulness of contingency, which I consider as both a condition of being and as a principle of poetic composition in her work. Additionally, I claim that Bishop's efforts to reabsorb contingency as a positive affective force structures the interest in history evident in the first part of her <italic>Questions of Travel</italic>. In connection with Hejinian and Scalapino's co-authored <italic>Sight</italic>, I address how the authors treat the affects as different varieties of “events,” as opposed to “states,” which gives us a way of discussing the affects as processes, rather than as characteristics, of human agents. The second part of my thesis involves the claim that the affects are structurally anathema to forms of “narrative” in the work of the poets I address. I show how Loy, Bishop—and especially Hejinian and Scalapino—resist writing, relying on, or theorizing the function of affects as “narratives” of the emotions. Instead, these writers value the affects because of their elemental and intimate connection to notions of freedom and constraint, and because of their phenomenological primacy in agents' lives.
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Crean, Jared ProQuest Dissertations & Theses Rensselaer Polytec 2019 해외박사(DDOD)
The main theme of this work is the development and application ofentropy-stable discretizations.These discretizations inherit a nonlinear stability property from thecontinuous equations and they show great promise toward making thesimulation of nonlinear hyperbolic partial differential equations asreliable as the simulation of linear partial differential equations.Furthermore, they also enable high-order discretizationsto be applied without the stability limitations of many existinghigh-order methods.The first part of this thesis is the development of the entropy-stablediscretization for use on unstructured grids and the proofs of its theoretical properties,including accuracy, stability, and discrete conservation.These properties are also extended to curved elements.A critical aspect of the discretizations is the use of a summation-by-partsoperator, which has discrete properties that avoid assumptionson the smoothness of the solution or the accuracy of the quadraturerule in the stability proof.Several test problems are run to verify these properties and to compareagainst standard discretizations, showing the practical benefits of thetheoretical developments.The second part of this thesis is a method to rapidly compute approximatefunctional values for mildly nonlinear problems.This method extends the theory of the adjoint to incorporate changesto both the solution and the geometry simultaneously.By using the solution on an initial geometry, the solution on thenew geometry can be computed by solving the governing equations ona subset of the domain.The accurate prediction of which portions of the domain should be re-solveddepends on the nonlinearity of the problem, and the proposed reanalysismethod is accurate for problemswhere the strength of the nonlinearity is limited.The final part of this thesis is an $r$-adaptation method that uses theproperties of the entropy-stable discretization to change the meshnode coordinates.This method uses an optimization problem to minimize the dissipationintroduced by the discretization, which can be interpreted as reducing themagnitude of the modes that cannot be represented on the given mesh.The effect is that the mesh is aligned with flow features, leading toimprovements in both solution and drag coefficient error for the exampleaerodynamic problems considered.
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