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 2846 for “"Rigid"”.
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Uniformly rigid homeomorphisms
… in the study of dynamical systems that display rigidity and weak mixing. We are particularly interested in the topological analogue of rigidity, called uniform rigidity. A map $T$ defined on a topological space $X$ is called \textit{uniformly rigid} if there exists an increasing sequence of …
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On Non-rigid Linkages
… through which motion transmission and structural rigidity have been understood. Conventional kinematic theory assumes perfectly rigid links joined by ideal revolute joints, while structural mechanics treats bar-and-joint frameworks as load-bearing assemblies with negligible internal deformation. …
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Rigid Analytic Quantum Groups
Following constructions in rigid analytic geometry, we introduce a theory of $p$-adic analytic quantum groups. We first define Fréchet completions $\wideparen{U_q(\mathfrak{g})}$ and $\wideparen{\mathcal{O}_q(G)}$ of the quantized enveloping algebra of a semisimple Lie algebra $\mathfrak{g}$ and …
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Rigid silicone resin studies
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1996.
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Elastic buckling of rigid frames
Typescript (photocopy).
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Wetting of non rigid surfaces
… many superhydrophobic substrates comprise rigid structures on rigid substrates. The development of a thin flexible substrate would allow new avenues to be explored to fully take advantage of the non-wetting properties of superhydrophobicity. This thesis presents a novel production method …
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Continuity in Rigid Viscoplastic Flow
… evolution equation for the rotation field in rigid viscoplasticity. The continuity condition provides a theoretical basis for assumptions of co-rotation models of crystal plasticity.
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Skyrmions -- beyond rigid body quantisation
… Skyrmions; most calculations to date have used rigid body quantisation, where the Skyrmions are allowed to rotate but remain rigid. The method reproduces some experimental results for light nuclei but there are some contradictions with data. In this thesis we study a more sophisticated …
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Rigid designation, scope and modality
Thesis. 1979. Ph.D.--Massachusetts Institute of Technology. Dept. of Linguistics and Philosophy.
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Toughening of rigid silicone resins
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Materials Science and Engineering, 1997.
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Flow through Rigid Vegetation Hydrodynamics
… travels through a vegetation array simulated by rigid dowels. Velocity data were collected with a one dimensional laser Doppler velocimeter (LDV) under single layer emergent and submerged flow conditions, and through two layers of vegetation. The effects of dowel arrangement, density, and …
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Optimal rigid-body rotational maneuvers
Optimal rigid-body angular maneuvers are investigated, using restricted control moments—a problem inspired in the context of rotational maneuvers for <i>super-maneuverable</i> aircraft. Most of the analysis is based on the formulation with no direct control over the roll component of angular …
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Matrix analysis of rigid frames
The matrix power series method of inversion is impractical, since the series diverges, or converges extremely slowly, except in the analysis of very special and, usually, impractical frames. Dwyer’s method, Zurmuhl’s method, and the method of partitioning, used with discrimination, suffice to …
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Rigid Analytic Uniformization of Hyperelliptic Curves
We describe a method for approximating the Mumford curve model O/Gamma of a given totally split hyperelliptic curve y2 = i=12g+2x-a i . Once the generators of the Schottky group Gamma are obtained, we also explain how to use them to compute the period lattice of the Jacobian of the curve.
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On the foldability of rigid origami
… into complex three-dimensional structures. Rigid origami is the underpinning kinematics and dynamics of origami and kirigami engineering, which considers possible path between two complex structures through continuous folding. Rigid origami serves as suitable scale-independent mathematical …
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Radiation characteristics of rigid foam insulation
Thesis (B.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1982.
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Matrix analysis of rigid space frames
… been written on analysis of three-dimensional rigid frames, but as yet nothing has been developed that would interest very many practicing design engineers. If rigid frames are to be analyzed in their true three-dimensional form, a convenient method of analysis must be devised. The classical …
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Galois representations of orthogonal rigid local systems
We use the middle convolution introduced by Katz to construct a families of lisse sheaves on the affine line without two points. These correspond to continuous representations of the etale fundamental group, which can be specialized to compatible systems of Galois representations. This leads to the …
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Effects of rigid stems on sediment transport
… still-unknown aspects by considering the case of rigid and emergent vegetation and the relationships with sediment transport, flow field, flow resistance and bed forms at small scale. The thesis is based on experimental approach coupled with theoretical analysis. In particular, the research …
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