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 “"curvilinear"”.
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Complex curvilinear surfaces in composite materials
… design that applies the use of continuous and curvilinear surfaces. It will explore a method of engaging the continuous surface as an expression and response to t he dynamic form-giving forces of the 1. functional /programmatic needs, 2. environmental and 3. metaphoric, all of which will be …
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The fire resistance of curvilinear masonry structures
L'abstract è presente nell'allegato / the abstract is in the attachment
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An arbitrary curvilinear coordinate particle in cell method
… explored. In this method, called the Arbitrary Curvilinear Coordinate PIC (ACC-PIC) method, all essential PIC operations are carried out on a uniform, unitary square logical domain and mapped to a nonuniform, boundary fitted physical domain. We utilize an elliptic grid generation technique known …
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Vibro-acoustic optimization of panel with curvilinear stiffeners
… manufacture complex shapes such as panels with curvilinear stiffeners. Designing and optimizing stiffened panels with predefined structural and acoustic response is the focus of this dissertation. Researchers have dealt with sizing optimization of panels with straight/curvilinear stiffeners for …
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Interactive Direct Volume Rendering of Curvilinear and Unstructured Data
… splatting algorithms, for volume rendering curvilinear and irregular data. The data is rendered without interpolating it to a rectilinear mesh.
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First Exit Times Through Curvilinear Boundaries for Stochastic Sequences
Let [Special characters omitted.] be a stochastic sequence and let [Special characters omitted.] be a predictable sequence. Define S(,n) for each n by S(,n) = X(,0) + X(,1)V(,1) + ... + V(,n)X(,n). Let [Special characters omitted.] be an increasing sequence of positive numbers and let [Special …
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Compression and buckling of composite panels with curvilinear fibers
The plane in-plane compression response for a symmetrically laminated composite panel with a spatially varying fiber orientation has been analyzed for four different boundary conditions. Variation of the fiber angle along the length of a composite laminate results in stiffness properties that …
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Optimization of Supersonic Aircraft Wing-Box using Curvilinear SpaRibs
… investigates the advantages of using curvilinear spars and ribs, termed SpaRibs, to design supersonic aircraft wing-box in comparison to the use of classic design concepts that employ straight spars and ribs. The intent is to achieve a more efficient load-bearing mechanism and to …
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Using a Curvilinear Coordinate System for Satellite Relative Motion
… grows. In which, this will be done by using a curvilinear coordinate system. Furthermore, a technique of using a Virtual Chief satellite will by employed to allow for the HCW equations to be valid for cases where the Chief is in an eccentric orbit.
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Some Solutions of Problems in Plane Elasticiy Using Curvilinear Coordinates
Made available in DSpace on 2014-12-04T23:10:48Z (GMT). No. of bitstreams: 1 0004007.pdf: 1433087 bytes, checksum: 93703e51b46b294ed599cf0b080f9dcd (MD5) Previous issue date: 1952
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Analysis of fiber-reinforced composite plates utilizing curvilinear fiber trajectories
… the fibers were steered around the holes in curvilinear trajectories. With the two other plates the fibers were placed in the conventional straight line format. For the case of the curvilinear trajectories, the fibers were continuous from one end of the plate to the other, whereas for the …
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Nodal integral methods for heat and mass transfer in curvilinear coordinates
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-11 without embargo terms
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Multi-material Non-planar Additive Manufacturing for Conformal Electronics on Curvilinear Surfaces
… with impressive structure and function on curvilinear substrates. Although various available methods offer conformal 3D printing capability on objects with limited geometric complexity, a number of challenges remain to improve feature resolution, throughput, materials compatibility, …
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Automatic Linear and Curvilinear Mesh Generation Driven by Validity Fidelity and Topological Guarantees
… in performance with other software. Then the curvilinear mesh generator allows for a transformation of straight-sided meshes to curvilinear meshes with <em>C<sup>1</sup></em> or<em> C<sup>2</sup></em> smooth boundaries while keeping all elements valid and with good quality as measured by their …
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Structural Modeling and Optimization of Aircraft Wings having Curvilinear Spars and Ribs (SpaRibs)
… design of the internal structure consisting of curvilinear spars and ribs (known as SpaRibs) for enhanced performance. A research code, EBF3GLWingOpt, was developed by the Kapania Group. at Virginia Tech to find the best configuration of SpaRibs in terms of weight saving for given flight …
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Leveraging Modelling and Machine Learning for the Analysis of Curvilinear Structures in Medical Images
… a number of diseases and the tortuosity of curvilinear anatomical structures such as corneal nerve fibres, suggesting that tortuosity changes might detect early stages of specific conditions. Currently, clinical studies are mainly based on subjective, visual assessment, with limited …
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Exploring the curvilinear relationship between corporate social performance and financial performance: Evidence from South African listed firms
In the past, there has been a wealth of research into the relationship between corporate social performance (CSP) and corporate financial performance (CFP). However, this relationship has not been thoroughly researched in developing markets, particularly in South Africa. Compelling theoretical …
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Thinking Outside of the Box When the Box Is Missing: Examining the Curvilinear Relation Between Role Ambiguity and Creativity
… Based on cognitive evaluation theory, a curvilinear relation between role ambiguity and creativity was hypothesized. Tolerance of ambiguity was hypothesized to act as a moderator on the linkage between role ambiguity and creativity, with a moderate amount of role ambiguity being the most …
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