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"Thomas, M"
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The history of emotions : a very short introduction
Emotions are complex mental states that resist reduction. Intimate and private, yet gaining substance and significance from their social and cultural context, their history is plural. It occupies the intersection of history of ideas, of the body, of subjectivity, and social and cultural history. This book explores its many facets.
Book
Physics-informed neural networks for solving nonlinear diffusivity and Biot’s equations
This paper presents the potential of applying physics-informed neural networks for solving nonlinear multiphysics problems, which are essential to many fields such as biomedical engineering, earthquake prediction, and underground energy harvesting. Specifically, we investigate how to extend the methodology of physics-informed neural networks to solve both the forward and inverse problems in relation to the nonlinear diffusivity and Biot's equations. We explore the accuracy of the physics-informed neural networks with different training example sizes and choices of hyperparameters. The impacts of the stochastic variations between various training realizations are also investigated. In the inverse case, we also study the effects of noisy measurements. Furthermore, we address the challenge of selecting the hyperparameters of the inverse model and illustrate how this challenge is linked to the hyperparameters selection performed for the forward one.
Journal Article
3D microstructure design of lithium-ion battery electrodes assisted by X-ray nano-computed tomography and modelling
Driving range and fast charge capability of electric vehicles are heavily dependent on the 3D microstructure of lithium-ion batteries (LiBs) and substantial fundamental research is required to optimise electrode design for specific operating conditions. Here we have developed a full microstructure-resolved 3D model using a novel X-ray nano-computed tomography (CT) dual-scan superimposition technique that captures features of the carbon-binder domain. This elucidates how LiB performance is markedly affected by microstructural heterogeneities, particularly under high rate conditions. The elongated shape and wide size distribution of the active particles not only affect the lithium-ion transport but also lead to a heterogeneous current distribution and non-uniform lithiation between particles and along the through-thickness direction. Building on these insights, we propose and compare potential graded-microstructure designs for next-generation battery electrodes. To guide manufacturing of electrode architectures, in-situ X-ray CT is shown to reliably reveal the porosity and tortuosity changes with incremental calendering steps.
The 3D microstructure of the electrode predominantly determines the electrochemical performance of Li-ion batteries. Here, the authors show that the microstructural heterogeneities lead to non-uniform Li insertion and current distribution while graded-microstructures improve the performance.
Journal Article
Enlightened pleasures : eighteenth-century France and the new epicureanism
\"Novelists, artists, and philosophers of the eighteenth century understood pleasure as a virtue - a gift to be shared with one's companion, with a reader, or with the public. In this daring new book, Thomas Kavanagh overturns the prevailing scholarly tradition that views eighteenth-century France primarily as the incubator of the Revolution. Instead, Kavanagh demonstrates how the art and literature of the era put the experience of pleasure at the center of the cultural agenda, leading to advances in both ethics and aesthetics.\"--Publisher's description.
Book
Abiotic methane formation during experimental serpentinization of olivine
Fluids circulating through actively serpentinizing systems are often highly enriched in methane (CH₄). In many cases, the CH₄ in these fluids is thought to derive from abiotic reduction of inorganic carbon, but the conditions under which this process can occur in natural systems remain unclear. In recent years, several studies have reported abiotic formation of CH₄ during experimental serpentinization of olivine at temperatures at or below 200 °C. However, these results seem to contradict studies conducted at higher temperatures (300 °C to 400 °C), where substantial kinetic barriers to CH₄ synthesis have been observed. Here, the potential for abiotic formation of CH₄ from dissolved inorganic carbon during olivine serpentinization is reevaluated in a series of laboratory experiments conducted at 200 °C to 320 °C. A 13C-labeled inorganic carbon source was used to unambiguously determine the origin of CH₄ generated in the experiments. Consistent with previous high-temperature studies, the results indicate that abiotic formation of CH₄ from reduction of dissolved inorganic carbon during the experiments is extremely limited, with nearly all of the observed CH₄ derived from background sources. The results indicate that the potential for abiotic synthesis of CH₄ in low-temperature serpentinizing environments may be much more limited than some recent studies have suggested. However, more extensive production of CH₄ was observed in one experiment performed under conditions that allowed an H₂-rich vapor phase to form, suggesting that shallow serpentinization environments where a separate gas phase is present may be more favorable for abiotic synthesis of CH₄.
Journal Article
The student's guide to studying psychology
\"First published in 2014. Routledge is an imprint of Taylor & Francis, an informa company\"-- Provided by publisher.
Book
Post-Transplantation Lymphoproliferative Disorders in Adults
Solid-organ and hematopoietic stem-cell transplants are widely used for various life-threatening medical disorders. Prophylaxis against transplant rejection and graft-versus-host disease is often immunosuppressive and can increase the risk of lymphoproliferative disease.
Journal Article