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 10 of 10 for “"elastic coupling"”.
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Different modes of cooperative transport by molecular motors
… transport by two identical motors involves an elastic coupling between the motors that can reduce the motors’ velocity and/or the binding time to the filament. We show that this elastic coupling leads, in general, to four distinct transport regimes. In addition to a weak coupling regime, …
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Design and development of a composite automotive anti-roll bar
An analytical elasticity model is developed for laminated cylindrically anisotropic cylinders subjected to extension, bending, pressure, torsion, and transverse shearing. The model predicts the elastic response of thin or thick walled tubes as well as cylinders, and accounts for all elastic …
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Imaging magnetic order in magneto-structural phases of Mn3O4
… complex lattice geometry, strong spin-lattice coupling and magnetic interactions. Mn3O4 is known to have two distinct phases below the Neel temperature that differ in both structure and magnetic order, including a tetragonal phase with disordered spins, and at lower temperatures, an …
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Modeling and characterization of elastic wave propagation in micro-scale photonic crystals
… another material, leading to periodic changes in elastic properties of the composite structure. Such devices exhibit elastic bandgaps, which are very useful in many commercial applications. Filtering, guiding and mirroring of elastic waves are a few applications in which phononic crystals can be …
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Investigation on Physics-based Multi-scale Modeling of Contact, Friction, and Wear in Viscoelastic Materials with Application in Rubber Compounds
… phenomena of contact, friction, and wear in viscoelastic materials with application in rubber compounds. Tribiological properties of rubber compounds are important for many applications such as tires, shoe heels and soles, wiper blades, artificial joints, O-ring seals, and so on. In all these …
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CHARACTERIZATION AND MODELLING OF MAGNETO-AUXETICITY, THE MAGNETICALLY INDUCED AUXETIC BEHAVIOR, IN GALFENOL
… transduction owing to good magneto-mechanical coupling and useful mechanical properties. In addition, Galfenol exhibits a highly negative Poisson’s ratio (denoted by ν) along the <110> crystallographic directions on {100} planes with ν values of as low as -0.7 under tensile loads. Consequently, …
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Structural and magnetic properties of erbium thin films and Er/Y superlattices
… Y lattice, leads to a reduction of the magnetoelastic energy that drives the ferromagnetic transition. The dependence of the magnetoelastic energy on the epitaxial strain is described by a model which accounts for the elastic coupling of the erbium lattice to the yttrium. In addition, the …
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Elasticity measurements at extreme conditions: application to FeO and FeNi-alloy
… requires the knowledge of fully anisotropic elasticity data for mineral phases. The single-crystal elastic constants of minerals, Cij, are elements of the fourth-rank elasticity tensor, which relates stress to strain. The fact that elastic strain also defines seismic wave propagation, the …
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The role of hydrodynamic forces in synchronisation and alignment of mammalian motile cilia
… others have proposed a role of the cytoskeletal elastic coupling between cilia. While previous works mainly focused on algae and protists, investigating the conditions that are required for the emergence of the metachronal wave in mammalian tissues can provide important progress in the diagnosis …
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TIME RESOLVED PROBING OF MAGNETO-ELASTIC EXCITATIONS IN MAGNETIC MATERIALS
… My experimental activity addressed the coupling of magnetic and acoustic degrees of freedom in transition-metal ferromagnetic systems. Within the NFFA-SPRINT laboratory, hosted in the premises of the facility FERMI@Elettra (Elettra-Sincrotrone Trieste), I developed a setup to perform …