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 48 for “"Physical Interpretation"”.
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Physical interpretation of coarse-grained bead-spring models of complex fluids
… however, has been hampered by a lack of clear physical interpretation of model parameters.This dissertation gives a rigorous interpretation to such coarse-grained models. First, a general thermodynamic approach to analyzing and comparing coarse-grained particle models is developed. Second, …
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Dielectric Resonator Antennas : theory and design
… analytical form, therefore a strong focus on the physical interpretation of the numerical results is presented alongside theoretical models. I have used the physical interpretation of the numerical results to lay down some important design rules. A few new inventions associated with the DRA are …
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Qualitative Adaptive Identification for Powertrain Systems. Powertrain Dynamic Modelling and Adaptive Identification Algorithms with Identifiability Analysis for Real-Time Monitoring and Detectability Assessment of Physical and Semi-Physical System Parameters
… and adaptive identification of parameters with physical interpretation that can be found commonly in control-oriented powertrain models is presented. This research is motivated from the fact that future powertrain control and monitoring systems will depend increasingly on physically oriented …
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Krylov Subspace Methods in Power System Studies
… with traditional approaches. Additionally, a physical interpretation of this methodology is investigated, and links with well-established concepts in power systems are attempted.
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Nonlinear finite element analysis of tubular joints
… numerical results give a clear and convincing physical interpretation of the effects of external loads on the ultimate static strength of tubular joints. The results include the stress redistribution within the joint at the ultimate state, the stiffness of the T-type joints at different load …
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Two-dimensional twisted sigma models and chiral differential operators
… level in an attempt to furnish purely physical interpretations of various mathematical theories involving a??Chiral Differential Operatorsa?? (or CDOa??s) defined and constructed by mathematicians in recent times. In this thesis, we consider the following four cases.Firstly, we study a …
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Definition of Apparent Power in 3-Phase 4-Wire Non-Sinusoidal Power Systems
… power components that can be attributed a real physical interpretation. The new approach to three phase power theory has significant potential for education, the practical design of active compensators, and the revision of international standard definitions of power.
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Definition of apparent power in 3-phase 4-wire non-sinusoidal power systems
… power components that can be attributed a real physical interpretation. The new approach to three phase power theory has significant potential for education, the practical design of active compensators, and the revision of international standard definitions of power.
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The Creation of the Ottoman Landscape in Southeastern Europe: Fourteenth to Nineteenth Centuries
… and archaeological sources to reconstruct a physical interpretation of Ottoman Europe. Focused around landscape theory, the work primarily examined human settlement patterns and land use. The confines of the study were limited to territories that were at one time centrally controlled by the …
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Dynamics of disordered harmonic lattices
… to those effected in the linear chain. A physical interpretation of the complex nature of the disordered spectrum is given. The effects of disorder on the dynamics of binary disordered harmonic chains have been studied and have been found to be quite pronounced"--Abstract, page ii.</p>
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Domínios de estabilidade assintótica: sua determinação utilizando o segundo Método de Liapunov
… quadratic forms as Liapunov's functions, and a physical interpretation of the mathematical treatment. Chapter 4 presents an application of Linear System Theory to autonomous systems, and the determination of the ellipticals and sphericals domains of stability. A logical procedure of the …
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Oscillatory oseenlets
… the forces generated by them are calculated. A physical interpretation is given so thatthe consequences for moving oscillating bodies can be determined.As the frequency of the oscillations tend to zero, it is shown that the steady oseenlet solutionis recovered. Also, as the Reynolds number of …
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The relevance of the Pauli group in dynamical systems with pseudo-fermions
… framework of quantum mechanics. This suggests a physical interpretation for the topological decomposition, which has been found at an abstract level.
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A non-dimensional analysis of cardiovascular function and thermoregulation
… system must be established and the physical processes associated with heat and mass transport must first be understood. To this end, over six hundred variables relating to the system's heat transport characteristics were identified. The variables were grouped to form dimensionless …
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Nonlinear contraction tools for constrained optimization
… geometry and biological systems. A new physical interpretation of Lagrange parameters is provided. In the autonomous case, we derive a new algorithm to solve minimization problems. Next, we state a contraction theorem for nonlinear systems with inequality constraints. In the autonomous …
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Analytic progress in open string field theory
… to describe. This construction thus confirms the physical interpretation of known analytic solutions and thus provides a nice consistency check on open string field theory.
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Investigation and application of the Frustrated-Total-Internal-Reflection phenomenon in optical fibers
… mechanism in this type of sensors. Although physical interpretation of the phenomenon itself is rather complicated, it can be mathematically formulated in a non-extensive manner. The first attempt is to build a physical understanding of the phenomenon as well as a simple mathematical model …
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Quantification of regional perfusion, shunt fraction and ventilation using positron emission tomography : a nonlinear tracer kinetics model
… was studied, leading to new insights for the physical interpretation of the fractal dimension.
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Techniques for robust source separation and localization in adverse environments: Issues and performance of a new framework of emerging techniques for frequency-domain convolutive blind/semi-blind separation and localization of acoustic sources
… most investigated, due to their straightforward physical interpretation and computational efficiency. In spite of recent developments many issues still need to be address to make such techniques robust in adverse conditions, such as high reverberation, ill-conditioning and occurrence of …
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Exploiting pulsar timing at low radio frequencies: applications to Pulsar Timing Arrays, Interstellar medium and HII regions
… framework naturally opens the way to a physical interpretation of the measured DM variability. Using structure functions and complementary observational data, I investigated the role of plasma turbulence along the lines of sight of LOFAR pulsars. Particular attention is given to discrete …
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