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 87 for “"Monte Carlo (MC)"”.
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On the integration of Computational Fluid Dynamics (CFD) simulations with Monte Carlo (MC) radiation transport analysis
… a coupled Computational Fluid Dynamics (CFD) and Monte Carlo (MC) Radiation Transport approach to this problem. Via particulate injections, the CFD simulation defines the spatial distribution of radioactive particulates and this distribution is then employed by the MC Radiation Transport …
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Tally derivative based surrogate models for faster Monte Carlo multiphysics
… can limit solver predictive capabilities. Monte Carlo (MC) neutron transport is a high-fidelity method that can relax many of these approximations and possibly replace much of the existing toolchain. However, MC neutron transport is also very slow, particularly when coupled into a …
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Data-based mathematical modeling: Development and application
… presents the mathematical basis for building the MC-HARP data-processing environment. The MC-HARP strategy determines the functional structure and parameters of a mathematical model simultaneously. A Monte Carlo (MC) strategy combined with the concept of Hierarchical Adaptive Random Partitioning …
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Gradient Boosted Decision Tree Application to Muon Identification in the KLM at Belle II
… for the whole momentum range during testing on Monte Carlo (MC) simulated data. This is seen in the lower Area Under the Curve (AUC) values for the FBDT ROC curves, achieving peak AUC values around 0.82, while the likelihood ratio ROC curves achieve peak AUC values around 0.98. Performance of …
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X-ray Scatter Computation and Simulation in Cone Beam Computed Tomography
… the literature include analytical calculations, Monte Carlo (MC) simulations and superposition calculations. Analytical and MC methods apply well-established physical models describing scattering interactions to accurately calculate or simulate scatter profiles. The prevailing challenge is the …
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Theory and simulation of amorphous organic electronic devices
… small molecular weight organic thin films using Monte Carlo (MC) simulations. The principle results that we report are: (1) the experimental demonstration and theoretical analysis of the previously neglected phenomenon of solid state solvation; (2) the identification of significant errors in …
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Wetting Phenomena Near the Melting Curve
… various hard substrates was undertaken using Monte Carlo (MC) and molecular dynamics (MD) techniques. Through the use of MD the phase transition was found to occur at the crystal density $\rho\sb{c}\sigma\sp3$ = 1.036 and fluid density $\rho\sb{f}\sigma\sp3$ = 0.943. The equilibrium wetting …
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3D Electro-thermal Monte Carlo Study of Transport in confined Silicon Devices
… the heat they generate. This work uses a 3D Monte Carlo (MC) simulator to investigate the electro-thermal behavior of quasi-one-dimensional electron gas (1DEG) multigate MOSFETs. In order to study these highly confined architectures, the inclusion of quantum correction becomes essential. To …
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Framework for optimizing survivability in complex systems
… ("resilience frontier"). The method combines Monte Carlo (MC) sampling to estimate total survivability and a genetic algorithm (GA), referred to as the MCGA, to obtain the resilience frontier. The MCGA is applied to a hydroelectric dam to maximize overall system survivability. The MCGA is …
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Untersuchung des Einflusses der Patientenkörperanatomie auf die Dosimetrie und Entwicklung eines analytischen Dosisberechnungsmodells für die 192-Ir HDR Brachytherapie
… auf seine Rechengenauigkeit verglichen sowie mit Monte Carlo (MC) Simulationsberechnungen überprüft. Die Einsatzgrenzen des Modells werden in zwei klinischen Fallbeispielen durch den Vergleich mit BPS- und MC- Dosisberechnungen jeweils in homogenen und inhomogenen Patientenphantomgeometrien …
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A comparison of uncertainty analysis methods for the modeling of land disposal of petroleum exploration and production waste
Three uncertainty analysis methods, namely : (1) Monte Carlo (MC) simulation, (2) First-Order Second Moment (FOSM) method, and (3) Modified Point Estimate (MPE) method, were compared in terms of computational efficiency and accuracy for evaluation of contaminant concentration at a down-gradient …
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Computer simulation of electron transport in solids with applications to materials analysis and characterization
Monte Carlo (MC) technique allows solving mathematical and physical problems of great complexity. One of the main topics that can be approached using the MC strategies concerns the study of the electron-solid interaction (transport MC). Transport MC allows predicting the behavior of charged …
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A practical implementation of XVA in the new normal
… an interesting alternative to price XVA using Monte Carlo (MC) simulation.
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Ferrite characterization techniques & particle simulations for semiconductor devices
… on the Boltzmann transport equation (BTE) and Monte Carlo (MC) methods, for studying semiconductor devices with submicron feature sizes. Particle simulations are advantageous because full-wave simulators based purely on Maxwell's equations are not able to capture certain semiconductor effects. …
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Degradation of proton and carbon Bragg peaks due to density inhomogeneities
… from static lung parenchyma. To do so, it adopts Monte Carlo (MC) simulations, validated by a series of transmission experiments on lung-like phantoms. Fluctuations in the water equivalent thickness (WET) were found the major degradation factor, contributing more than 75% (40%) to the distal …
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Conformational modeling of neurokinins: Proposed bio-active conformations for different receptor subtypes
… X may be Phe or Val), have been analyzed using Monte Carlo (MC) and high temperature molecular dynamics (MD) techniques. A qualitative model for binding at the different neurokinin receptor sites was generated, based on known conformational preferences of various amino acids, independent of the …
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Study of high transverse momentum charged particle suppression in heavy ion collisions at LHC
… of the parton energy loss applied to the PYTHIA Monte-Carlo (MC) reveals that the charged particle spectrum with the pQCD-motivated fractional parton energy loss can describes the shape of the measured suppression well in the range PT = 5-100 GeV/c.
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Self-consistent Monte Carlo simulations of plasma processing reactors
… be considered. In this thesis, a self-consistent Monte Carlo (MC) simulation for low-temperature partially ionized plasmas is presented. In this simulation, the effects of electron-electron collisions are taken into account. Electron-electron collisions are treated as being functionally equivalent …
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Rendezvous approach guidance for uncooperative tumbling satellites
… author validates the guidance algorithm through Monte Carlo (MC) analysis in a Three Degrees of Freedom (3DOF) simulation. Fuel use metrics characterize the sensitivity of the algorithm. Fuel consumption is measured by the total velocity changes, or [delta]V, needed to complete the maneuvers. …
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A study of MHD and Monte Carlo simulations of high-current plasma beams in industrial applications
… are simulated using Magnetohydrodynamics (MHD), Monte Carlo (MC), and Integrated Hybrid MHD and MC (IMHDMC) methods. For the new MHD method, the pressure, velocity and density of the high-current plasma beams are obtained by solving the mass, energy and momentum conservation equations, together …
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