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 517 for “"cantilever"”.
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Multidoman Piezo-Ceramic Cantilever
… Element Method of several types of piezoelectric cantilevers that were made of PIC-181, a high quality PZT-5H made in Germany. Single crystal cantilever models with multiple polarization vectors were investigated with Q factors ranging from Q = 50 to Q = 1200, where the acoustical displacements …
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Neurocontrol of a cantilever beam
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Civil and Environmental Engineering, 2000.
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Nonlinear Response of Cantilever Beams
The nonlinear nonplanar steady-state responses of cantilever beams to direct and parametric harmonic excitations are investigated using perturbation techniques. Modal interactions between the bending-bending and bending-bending-twisting motions are studied. Using a variational formulation, we …
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Designing and Fabricating MEMS Cantilever Switches
In this thesis, MEMS switches actuated using electrostatic actuation is explored. MEMS switches that are lateral switches and clamped-clamped switches are designed, fabricated, and tested in this thesis. This thesis extensively explains the process by which the MEMS Switches were designed and …
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Boundary condition effects on vibrating cantilever beams
… with the most basic of compliant mechanisms, the cantilever beam, and utilizing Buckingham Pi theory the dynamic behavior of the vibrating beams could be quantified and the associated variables used to tailor the design of a flexure and boundary control system. This research details the primary …
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Nonlinear Vibrations of Cantilever Beams and Plates
A study of the nonlinear vibrations of metallic cantilever beams and plates subjected to transverse harmonic excitations is presented. Both experimental and theoretical results are presented. The primary focus is however on the transfer of energy between widely spaced modes via modulation. This …
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Structural analysis of a reinforced concrete cantilever staircase
Digitized by Kansas Correctional Industries
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MEMS Piezoresistive Micro-Cantilever Arrays for Sensing Applications
… biomedical application. Among different options, cantilever micro-mechanical structures are one of the most promising technical solution for the realisation of MEMS detectors with high sensitivity. This thesis deals with the development of cantilever-based sensor arrays for chemical and biological …
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Cantilever Dynamic Analysis in Tapping Mode Atomic Force Microscopy
… study the first order vibration mode of the AFM cantilever. Moreover, it does not take into account geometrical effects of the tip and the cantilever. However, correct interpretation of phase images still poses a significant challenge to the AFM community. In this study, the cantilever’s dynamic …
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Lab-on-cell and cantilever-based sensors for gene analysis
… tools for gene analysis: a Lab-on-Cell and cantilever-based sensors for in-vitro cell transfection and label-free Single Nucleotide Poly-morphisms (SNPs) detection, respectively. Regarding the first topic, an enhanced platform for single-site electroporation and controlled transfectants …
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Dynamic response of a model cantilever bridge to moving loads
Thesis (M.S.)--Michigan State University of Agriculture and Applied Science. Dept. of Civil Engineering, 1961
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Deformation theory analysis of a dynamically loaded rigid-plastic cantilever
Taya and Mura (1974) introduced a new thought into rigid-plastic approximate methods by presenting what was claimed to be an extension of Hamilton's Principle (normally considered to be restricted to conservative systems) to rigid-plastic structural dynamics. A comment by Professor A.R.S. Ponter, …
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A microfabricated hollow cantilever sensor for sub-nanoliter thermal measurements
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 2003.
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Modeling and Analysis of a Cantilever Beam Tip Mass System
We model the nonlinear dynamics of a cantilever beam with tip mass system subjected to different excitation and exploit the nonlinear behavior to perform sensitivity analysis and propose a parameter identification scheme for nonlinear piezoelectric coefficients. First, the distributed parameter …
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Behavior of a cantilever plate subjected to rapid edge heating
… experimentally by rapidly heating the edges of a cantilever plate. The midplane thermal stresses imposed by the nonuniform temperature distribution caused the plate to buckle torsionally, increased the deformations of the plate under a constant applied torque, and reduced the frequency of the …
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Gapped cantilever for the enhancement of strain sensitivity and energy efficiency
<p>Cantilever structures have been widely used in a large variety of transducer applications. For cantilever based transducers, piezoresistive/piezoelectric mechanisms has always been a popular choice due to the advantages of being low cost, simple structure and portability. However, low …
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Experimental investigation of inclined cantilever beams in vertically falling soap films
<p>Here we investigate the dynamic response of cantilever beam at various angles of attack using theory and experiments. The problem is motivated by separate wind tunnel experiments using energy producing piezoelectric cantilevers. Assuming small vibrational amplitudes, we utilize the …
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