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 207 for “"nonlinear dynamic"”.
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Nonlinear Dynamic Combustion of Energetic Solids
… WSB model is used to model the nonlinear unsteady combustion of energetic solids. Additional validation of the model has been obtained by considering the new oxidizer HNF. Comparison of predictions for HNF combustion with a wide range of experimental observations including steady …
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Nonlinear dynamic behaviour of joined lightweight structures
… focused on investigating the linear and nonlinear behaviour of beams and plates under dynamic loads. Additionally, it aims to provide a thorough understanding of the interaction between the frictional joint and the joined part. To this end, a new model for the joint has been suggested. It …
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Nonlinear dynamic process monitoring using kernel methods
… (KDE)-based control limits with KPCA for nonlinear process monitoring has not been adequately investi- gated and documented. Therefore, process monitoring using KPCA and KDE-based control limits is carried out in this work. A new KPCA-KDE fault identi cation technique is also proposed. …
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Nonlinear dynamic response of reinforced concrete frames.
Massachusetts Institute of Technology. Dept. of Civil Engineering. Thesis. 1974. Ph.D.
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Continuum Sensitivity Method for Nonlinear Dynamic Aeroelasticity
… accurate computation of design derivatives for nonlinear aeroelastic structures subject to transient<br />aerodynamic loads. The continuum sensitivity equations (CSE) are a set of linear partial<br />differential equations (PDEs) obtained by differentiating the original governing equations of<br …
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Design sensitivity analysis for nonlinear dynamic thermoelastic systems
… the design sensitivity analysis of linear and nonlinear dynamic thermoelastic systems. The variation of a general design functional is expressed in explicit form with respect to variations of the design quantities, i.e. material properties, applied loads, prescribed boundary conditions, initial …
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Continuous linearization control methodology for nonlinear dynamic systems
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Aeronautics and Astronautics, 1994.
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Nonlinear Dynamic Analysis of Structures with Hyperelastic Devices
… (MDOF) structure with hyperelastic bracing using nonlinear and incremental dynamic analysis. New analytical software is implemented in the investigation of the structure, and the study seeks to investigate the effectiveness of hyperelastic bracing as a seismic protection device. Hyperelastic …
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WEAKLY NONLINEAR DYNAMIC ANALYSIS OF FLOATING BODIES IN WAVES
Weakly nonlinear dynamic responses of rectangular floating bodies are studied in this work. This study is based on a modified linear wave theory that gives a reasonable Froude-Krylov pressure distribution near the free surface. The idea of strip theory is then adopted to evaluate the Froude-Krylov …
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Exploring Structure -Behavior Relations in Nonlinear Dynamic Feedback Models
Formal dynamic model analysis tools are essential in understanding how model structure drives behavior. A model analysis approach is formulated based on eigenvalue elasticity analysis in this dissertation. Eigenvalue elasticity analysis, although a potentially strong formal model analysis tool, has …
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Multiresolution learning in nonlinear dynamic process modeling and control
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Chemical Engineering, 1995.
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A nonlinear dynamic system for spread spectrum code acquisition
Nonlinear differential equations and iterated maps can perform any computation. Sometimes, the most difficult part of performing a useful computation, however, is writing the program. Furthermore, in practice, we often need to build special purpose computing hardware suited to run a particular …
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Nonlinear Dynamic Equations subject to Global and Periodic Boundary Conditions.
North Carolina State University Theses Mathematics.
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Nonlinear Dynamic Response of Flexible Membrane Structures to Blast Loads
… describes the finite element (FE) modeling and dynamic response of lightweight, deployable shelters (tent) to large external blast loads. Flexible shelters have been used as temporary storage places for housing equipments, vehicles etc. TEMPER Tents, Small Shelter System have been widely used by …
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Bayesian Approach for Nonlinear Dynamic System and Genome-Wide Association Study
… multiple association studies with schizophrenia. Dynamic system defined by ordinary differential equations is an important tool to modeling complicated biology system. To estimate parameters in the dynamic system which analytic, close form solution is not available and involving missing or …
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Comparison of neural and control theoretic techniques for nonlinear dynamic systems
This thesis compares classical nonlinear control theoretic techniques with recently developed neural network control methods based on the simulation and experimental results on a simple electromechanical system. The system has a configuration-dependent inertia, which contributes a substantial …
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An Invertible Open-Loop Nonlinear Dynamic Temperature Dependent MR Damper Model
A Magnetorheological damper is a commonly used component in semi-active suspensions that achieves a high force capacity and better performance than a passive system, without the added expense and power draw of a fully active system, all while maintaining failsafe performance. To fully exploit the …
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Comparison of neural and control theoretic techniques for nonlinear dynamic systems
Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Ocean Engineering, 1994, and Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 1994.
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Noise-Enabled Observability of Nonlinear Dynamic Systems Using the Empirical Observability Gramian
… understood to influence the observability of nonlinear dynamical systems, actuation of nonlinear stochastic systems by process noise has received comparatively little attention in terms of the effects on observability. As noise is present in essentially all physically instantiated systems, …
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