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 228 for “"eccentricity"”.
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Target eccentricity effects for defensive responses
… the effects of S-R compatibility and target eccentricity on the primary measures of reaction time of head rotation (RT) and activity of the sternocleidomastoid muscles of the neck (premotor RT) and the secondary measures of movement time, peak velocity, head excursion and the …
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Net section rupture in tension members with connection eccentricity
… current design specifications, to neglect this eccentricity in the design of the member. In this study, load tests were performed on three series of short tension member specimens to investigate the influence of varying connection eccentricity and length on the load capacity of the members. …
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Generating Surfaces of Variable Eccentricity Within a Ray Tracer
… Among these are surfaces that have a varying eccentricity. This paper will discuss a method for finding real roots of polynomials [allowing us to create these surfaces]. First, we will give the reader a basic comprehension of the workings of a ray tracer, a general understanding of three …
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Margaret Rutherford, Alastair Sim, eccentricity and the British character actor
… which addresses notions around Britishness and eccentricity, and their interconnections, their representation in Sim and Rutherford's films, and recent debates about what these attributes constitute now. The fourth part engages in a broader discussion of the art of character acting and the …
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Pauli Murray in the 1930s: portraits and post-soul eccentricity
… in Murray’s life that suggest contrariety and eccentricity. In particular, I trace Murray’s performances in her portraits from the 1930s, which display her racial, gender, and sex reinvention. I illuminate these portraits as markers of Post-Soul Eccentricity to place Murray in a tradition in …
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Influence of direction and eccentricity on pro- and anti-saccade metrics
… at 20 angular positions with a constant eccentricity of 12°, and another using 18 possible eccentricities along the horizontal. Pro-saccades had faster SRTs and velocities, larger amplitudes, higher accuracy and less variation in their trajectories than anti-saccades. Pro- and …
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Eccentricity of Merging Neutron Star Binaries: Searches, Parameter Estimation, and Future Prospects
… star systems can form with significant orbital eccentricity. Gravitational radiation efficiently removes this eccentricity from the binary's orbit as the star's inspiral together. This thesis describes a search for neutron star binaries that have an eccentric orbits when their gravitational …
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Calibration of orifice plates with special emphasis on edge sharpness and eccentricity
… of the orifice plate and of changes in plate eccentricity. Various methods to calibrate orifice plates and to measure the edge roundness of orifice plates are discussed. Orifice plates with area ratios ranging from 0,1.to 0,55 were tested in order to evaluate variations in the coefficient of …
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Application of the homotopy continuation method to low-eccentricity preliminary orbit determination
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1991.
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In-plane vibration of a plate having an elliptical hole of arbitrary eccentricity
The in-plane vibration of a plate with an elliptic hole is studied. It is shown that standing waves whose wavelength is the same order of magnitude as the size of the hole are theoretically capable of causing microcracks which have been observed experimentally. Several approaches were used …
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Impact of pulse width modulation schemes In eccentricity fault detection using current signature analysis
Among various motor issues, eccentricity faults pose significant challenges, leading to vibrations, reduced efficiency, and potential failure if undetected. Motor Current Signature Analysis (MCSA) is a widely used technique for diagnosing such faults, particularly in line-fed motors. However, the …
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Effect of Continuity Plate Eccentricity on the Performance of Welded Beam-to-Column Connections
… beam depths on either side of the column, an eccentricity between the framed-in beam flange and continuity plate may be required; however, limited research exists to provide guidance on an acceptable level of eccentricity. This thesis describes a parametric finite element investigation into …
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The Wound and the Show: Representations of Eccentricity in Sterne, Wordsworth, Lamb, and Dickens
… explores eccentrics as characters, and eccentricity as a stylistic signature, in the work of four writers between the mid-eighteenth and later nineteenth century: Laurence Sterne, William Wordsworth, Charles Lamb, and Charles Dickens. It takes off from the eccentric as a figure who the …
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Application of mass/stiffness eccentricity to control response of structures subjected to earthquake ground motion
… is to engage torsional modes through engineered eccentricity (mass/stiffness eccentricity), thus, introducing coupled translation-rotation response. This idea was first introduced in a paper published by MacBain and Spillers in 2004. As a follow up to the same idea this dissertation was an …
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Inelastic Analysis of Tripping Failure of Stiffened Steel Panels due to Stiffener Flange Transverse Initial Eccentricity
… stress. The effects of initial transverse eccentricity of the stiffener are ignored using such a method. Six panels were modeled and tested with ABAQUS, a finite element software package, and the results were compared to output from ULSAP, a closed-form ultimate strength analysis program. …
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The analysis of airgap eccentricity in three-phase induction motors using finite elements for a reliable condition monitoring strategy.
… of a finite element investigation into airgap eccentricity in three phase induction motors. Airgap eccentricity is an inherent condition in induction motors which if left undetected can result in motor failure. It is therefore of interest to detect and quantify the level of airgap eccentricity. …
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Improvement of inelastic performance for friction damped asymmetric buildings
… investigates the effect of having brace strength eccentricity (slip load eccentricity) negative that of stiffness eccentricity on the performance of friction damped braced frames, in an effort to improve the efficiency of friction damped braced frames in single and multi-storey buildings. Firstly, …
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Predictive equations for bolted connections
… of rotation method was written to generate the eccentricity coefficients used for the study of this project. For single line bolted connections, the value of the eccentricity coefficient is determined by several independent variables: NR (number of rows in the bolted connection), B (distance …
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Mode Vertices and Mode Graphs.
<p>The eccentricity of a vertex, <em>v</em>, of a connected graph, <em>G</em>, is the distance to a furthest vertex from <em>v</em>. A mode vertex of a connected graph, <em>G</em>, is a vertex whose eccentricity occurs as often in the eccentricity sequence of <em>G</em> as the eccentricity of any …
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The analysis of vibration signals during induction motor starting transients with a view to early fault detection.
… motor with specifically introduced stator-rotor eccentricity. Records of stator core vibration signals during full voltage, direct on line starting transients for various degrees of eccentricity have been captured from test rigs and these signals have been analysed in both the time and frequency …
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