Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 25 for “"Cell Modeling"”.
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Two-dimensional hybrid particle-in-cell modeling of Hall thrusters
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1995.
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Immersed Finite Element Particle-In-Cell Modeling of Surface Charging in Rarefied Plasmas
… Immersed Finite Element Particle-In-Cell (IFE-PIC) method is developed to model surface charging involving complex boundary conditions. This method extends the previous IFE-PIC algorithm to explicitly include charge deposition on a dielectric surface for charging calculations. Three …
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Electric field emissions of FPGA chip based on gigahertz transverse electromagnetic cell modeling and measurements
… A Gigahertz Transverse Electromagnetic (GTEM) cell is a common test instrument used to measure IC radiated emission and the test cost is relatively low. Regular IC radiated emission measurements using GTEM tend to neglect some significant emission sources. Thus, this research proposed an …
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Multilevel, subdivision-based, thin shell finite elements: development and an application to red blood cell modeling
… to the current engineering problem of blood cell membrane simulation.We describe a unified framework for the simulation of thin bodies via hierarchical, rotation-free thin shell finite elements for meshes with both quadrilateral (Catmull-Clark scheme) and triangular connectivity (Loop's …
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Characterization of short-pulse laser-produced fast electrons by 3D hybrid particle-in-cell modeling of angularly resolved bremsstrahlung
… fast electron characterization technique by modeling angularly resolved bremsstrahlung radiations with a three-dimensional (3D) hybrid Particle-in-cell (PIC) code. An experiment using a 50-TW Leopard laser (15 J, 0.35 ps, 2×10^19 W/cm2) was carried out to measure bremsstrahlung radiations at …
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Solid Oxide Fuel Cell Modeling at the Cell Scale - Focusing on Species, Heat, Charge and Momentum Transport as well as the Reaction Kinetics and Effects
Fuel cells are electrochemical devices that directly transform chemical energy into electricity. They are promising for future energy systems, since they are energy efficient, able to use renewable fuels and, when hydrogen is used as fuel, there are no direct emissions of greenhouse gases. Various …
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On the Modeling of Signaling Networks with Petri Nets
The whole-cell behavior arises from the interplay among signaling, metabolic, and regulatory processes. Proper modeling of the overall function requires accurate interpretations of each component. The highly concurrent nature of the inner-cell interactions motivates the use of Petri nets as a …
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Fundamental Modeling of Solid-State Polymerization Process Systems for Polyesters and Polyamides
… and nylon-6. The work centers on an approach for modeling commercial-scale, as opposed to laboratory-scale, systems. The focus is not solely on coupled polymerization and diffusion, but extends to crystallization, physical properties, and phase equilibrium, which all enhance the robustness of the …
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Improved lifetimes and synchronization behavior in multi-grid inertial electrostatic confinement fusion devices
… cathode grids, are verified with particle-in-cell modeling to greatly improve the efficiency of IECs. These simulations show that the greatly increased confinement allows for the development of significant collective behavior in the recirculating ions. The plasma self-organizes from an …
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Protein folding and diffusion: from in vitro to live cells
… to modulation by many factors inside living cells: crowding, electrostatics, hydrophobic interactions, and even hydrodynamic phenomena. The resulting spatio-temporal fluctuations in protein folding rates, protein stability, protein diffusion, as well as protein structure, protein function, …
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Characterization and modeling of CdCl2 treated CdTe/CdS thin-film solar cells
… the production of high efficiency CdTe/CdS solar cells is a post-CdTe deposition heat treatment with CdCl2, which can improve performance by promoting CdTe recrystallization, QE response, defect passivation and others. Understanding the effects of the CdCl2 treatment is crucial in order to …
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Targeted Drug Delivery with Cyclodextrin-based Nanocarriers and Focused Ultrasound Triggering
… to cavitate microbubbles (MBs) for increasing cell permeability and to open ‘drug nano-capsules’ to release proven active anticancer drugs directly to the tumour site with reduction of systemic drug dosage needed for the desired therapeutic effect.<br/>Objective: The work reported here aimed to …
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Heterogeneous Integration of III-V Multijunction Solar Cells on Si Substrate: Cell Design and Modeling, Epitaxial Growth and Fabrication
Achieving high efficiency solar cells and concurrently driving down the cell cost has been among the key objectives for photovoltaic researchers to attain a lower levelized cost of energy (LCOE). While the performance of silicon (Si) based solar cells have almost saturated at an efficiency of ~25%, …
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Simulating the cell cycle of the minimal cell in 4D
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2025-12-01
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Asymmetrical transmembrane potential in intracellular organelles of adrenal chromaffin cells exposed to nanosecond electric pulses
… pulses on neurosecretory adrenal chromaffin cells, cell modeling has played an important role in understanding and explaining the experimental results. Externally applied nanosecond-duration electric pulses (NEPs) can affect cells by creating nanopores in the cell and intracellular organelle …
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Design of III-V Multijunction Solar Cells on Silicon Substrate
… achieving high efficiency and low cost solar cells have long been the key objective for photovoltaic researchers. III-V compound semiconductor based multijunction solar cells have been the dominant choice for space power due to their superior performance compared to any other existing solar …
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Evolutionary computation based multi-objective design search and optimization of spacecraft electrical power subsystems
… for various components, such as solar cells, solar arrays, batteries, and bus voltages. Each technology has its own advantages and disadvantages that need to be taken into account in the search for an optimal design solution. This selection must meet certain criteria, the most important …
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Microelectrode Array Modeling of Genetic Neurological Disorders in the Era of Next Generation Sequencing
… into targeted therapeutics is functional modeling.</p><p>Increased understanding of the genetic architecture of epilepsy and the hyperexcitability that results from many epilepsy-causing variants makes the disease particularly well-suited for the development of model systems for functional …
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Shaping the bacterial transcriptome: Perspectives from kinetic modeling
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2026-12-01
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Modeling Multi-fork Replication and Segregation of Bacterial Chromosomes
Submission published under a 24 month embargo labeled 'U of I Access', the embargo will last until 2026-08-01
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