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 19 of 19 for “"Integral over"”.
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Quantum action variable description of bound and scattering states
… The classical action variable is defined as an integral over a contour in the complex radial coordinate plane of the classical momentum function. The quantum action variable is similarly defined as an integral over the same contour of the quantum momentum function. The extension of these …
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Integration Over Converging Arcs in the Plane
Most standard theorems on convergence of integrals consider the integrals of a family of functions over a fixed domain of integration; however, situations occur in which one needs to approximate a curve over which a function is to be integrated by means of a sequence of piecewise smooth curves. …
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Development & Validation of the Acoustic Analogy Code for Jet Noise Predictions
… calculating the sound intensity in terms of the integral over the volume with distributed Lighthill tensor of unsteady flow fluctuations. A FORTRAN code is written to perform the integration using Simpson's numeric technique. The procedure for validating the code against the test case for the …
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Geometric Theory of Parshin Residues
… they work in very general settings, not only over complex numbers. However, in the complex case one would expect a more geometric variant of the theory. In my thesis I study Parshin residues from the geometric point of view. In particular, the residue is expressed in terms of the integral over …
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A 2 1/2 dimensional thermohaline circulation model with boundary mixing
… important quantities, such as the strength of overturning and meridional heat transport, are related to the zonal integral over the vigorously mixing regions and scaled as (KvΔx )2/3. The numerical results suggest that the density difference between eastern and western boundaries play an …
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A 2 1/2 dimensional thermohaline circulation model with boundary mixing
… important quantities, such as the strength of overturning and meridional heat transport, are related to the zonal integral over the vigorously mixing regions and scaled as (KvΔx)2/3. The numerical results suggest that the density difference between eastern and western boundaries play an …
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Numerical study of Regge cuts due to absorption in neutral pion photoproduction
… wave form; the newer expression involves an integral over the intermediate scattering angle. The integral absorption expression is used for most of the calculations in this work. Unitarity and factorization are discussed briefly regarding their relation to the calculations presented. …
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Frequency-domain analysis of memoryless nonlinearities having large-signal, almost periodic excitations
… coefficients are expressed as mean values taken over an infinite interval. Results are given for the summability of the series. Starting with a theorem from Diophantine Approximation, it is proven that the normalized (Hertzian) phases corresponding to a set of M basis frequencies have their …
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Improving of the accuracy and efficiency of implicit solvent models in Biomolecular Modeling
… when applied to Biomolecular Modeling such as an over- stabilization of alpha helical secondary structures and salt bridges. In this dissertation we present two new GB models aimed at computing solvation properties with a reasonable compromise between accuracy and speed. The first GB model, called …
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Implied volatility: general properties and asymptotics
… use a representation of the European call as an integral over time to expiry. We devote an entire chapter to representations of the European call option; a key role is played by local time and the argument of Klebaner. A novel alternative that is especially useful in the local volatility case is …
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Measurement of Generalized GDH Integrand for the Neutron and 3He at Low Q2
… the anomalous magnetic moment to a weighted integral over the photo-absorption cross section. Its generalized form is extended for the virtual photon absorption at an arbitrary four momentum transfer square ($Q^2$) and thus provides a unique relation to study the nucleon spin structure over …
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Nonlinear stochastic vibration analysis for energy harvesting and other applications
… property of this first term, namely that the integral over its frequency domain representation is proportional to the oscillating mass, is derived and validated both numerically and experimentally, using a base excited cantilever beam with a nonlinear restoring force produced by magnets. …
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Adaptive finite elements for viscoelastic deformation problems
… a sum of an instantaneous response term and an integral over their past responses. Such laws are called hereditary integral constitutive laws. The main purpose of this study is to analyse adaptive finite element algorithms for the numerical solution of the quasistatic equations governing the …
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Wordline approach to higher spin fields
… multiplet, the partition function reduces to an integral over the corresponding moduli space which have been computed by using orthogonal polynomial techniques. Finally we have extend our canonical analysis, described previously for flat space, to maximally symmetric target spaces (i.e. (A)dS …
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OnBoard Parameter Identification for a Small UAV
… to the frequency domain using a Fourier integral over the frequency range in which the rigid body aircraft dynamics are found. The final phase of the project was a real-time parameter estimation program to estimate the dimensional stability and control derivatives onboard the Phastball …
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Coincident proton decay of the continuum induced by 200 MeV protons on 12C
… reaction mechanism in terms of a convolution integral over the DWIA cross sections describing the initial quasifree knockout process and experimental inelastic scattering probabilities describing the further multiple scattering interactions undergone by the knocked out nucleons. Good agreement …
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Regionally adaptable ground-motion Prediction Equations (GMPEs) for seismic hazard analysis
… (PGA) is found to be related with the integral over the entire Fourier spectrum of ground motion which is in contrast to the popularly held perception that PGA is a high-frequency phenomenon of ground motion. This thesis presents a new perspective for developing a response spectral GMPE …
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Unique Prime Factorization of Ideals in the Ring of Algebraic Integers of an Imaginary Quadratic Number Field
<p>The ring of integers is a very interesting ring, it has the amazing property that each of its elements may be expressed uniquely, up to order, as a product of prime elements. Unfortunately, not every ring possesses this property for its elements. The work of mathematicians like Kummer and …
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Modelling the Impact of Built Environment, Geographical Scales and Latent Constructs On Individual Travel Behaviour
… Since latent variable is unknown we fit the integral over its distribution. Four “sets of best variables” are specified, following the specification obtained from the correlation analysis. The results evidence that the relative importance of SE variables versus BE variables depends on how BE …