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Showing 1 to 20 of 34 for “"nonlinear dynamic analysis"”.
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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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Nonlinear Dynamic Analysis of Flat Plate Layered Bodies Accounting for Large Transverse Deflections
Made available in DSpace on 2014-12-14T04:42:03Z (GMT). No. of bitstreams: 1 7726772.pdf: 1686797 bytes, checksum: f9c3e681c5fb4bbb0e7d8a906bfcaca9 (MD5) Previous issue date: 1977
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Nonlinear dynamic analysis of wind turbine towers subject to design wind and seismic loads
… research proposes the development of a novel nonlinear dynamic response of wind turbine towers, in order to produce more reliable designs, especially in the case of ultimate loading of horizontal axis wind turbines. The approach is highly nonlinear, and requires advanced numerical techniques …
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Hysteresis modeling of wood joints and structural systems
Difficulties in characterizing the dynamic behavior of wood structures have hindered investigations into their performance under dynamic loading. Because of this, wood structures are treated unfavorably in seismic design codes, even though past damage assessment surveys after seismic events …
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Optical Actuation of MEMS Devices
… shed light on this unexpected behavior, a new, nonlinear dynamic analysis of the bistable beam device used in those experiments is presented. This model explains the anomalies, and extensive experimental evidence supporting the validity of the model is also presented.
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IMAGE-BASED MODELING AND PREDICTION OF NON-STATIONARY GROUND MOTIONS
Nonlinear dynamic analysis is a required step in seismic performance evaluation of many structures. Performing such an analysis requires input ground motions, which are often obtained through simulations, due to the lack of sufficient records representing a given scenario. As seismic ground motions …
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Stochastic dynamic response of wood structural systems
Difficulties in characterizing the dynamic behavior of wood structures have hindered investigations into their performance under dynamic loading. Because of this, wood structures are treated unfavorably in seismic design codes, even though past damage assessment surveys after seismic events …
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Analysis of After Impact Characteristics and Structural Optimization of CFRP Composite Plate
… of the impacted plate. Numerical models with nonlinear dynamic responses were developed in ABAQUS, which validated the LVI experiments. Further, the modified model was created in MSC. PATRAN/NASTRAN to optimize the ply thickness, ply orientation, and dimensional properties of the plate to …
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Nonlinear Analysis of Multistory Structures Using "NONLIN"
… for me to learn so many concepts in the field of nonlinear dynamic analysis and practical earthquake engineering. I would also like to acknowledge my other committee members, Dr. Raymond Plaut and Dr. W. Samuel Easterling, for taking the time to review the thesis and providing valuable insights …
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Three-Dimensional Nonlinear Dynamics of a Moored Cylinder to be Used as a Breakwater
A three-dimensional, nonlinear dynamic analysis is conducted on a fully submerged, rigid, solid cylinder to be used as a breakwater. The breakwater could potentially be used as a single cylinder to protect small structures. Alternatively, multiple cylinders could be positioned in series to protect …
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Investigation Into Snap Loading of Cables Used in Moored Breakwaters
A two-dimensional, nonlinear dynamic analysis is conducted on a moored breakwater configuration to investigate snap loads in mooring lines. Breakwaters are structures used to attenuate or eliminate waves and protect shorelines, harbors, and other natural and man-made marine structures from wave …
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Alternate Load Paths and Retrofits for Long-span Truss Bridges under Sudden Member Loss and Blast Loads
… to capacity ratio (DCR) for linear elastic analysis and strain ratio (SR) for nonlinear dynamic analysis. Based on the possible failure modes and failure scenarios after sudden critical member loss, performance-based retrofit criteria and recommendations for 3-D ALP retrofits are proposed in …
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Modeling Analysis and Control of Nonlinear Aeroelastic Systems
… importance is the contribution of different nonlinear aspects. These aspects can be of two types: aerodynamic and structural. Examples of aerodynamic aspects include but are not lomited to flow separation and wake effects. Examples of structural aspects include but not limited to large …
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Nonlinear earthquake analysis of wall pier bridges
… ground motion requires the use of sophisticated nonlinear dynamic analysis computer programs not generally available to the bridge design engineer. The analytical tools that have been developed are generally applicable to bridges whose substructures can be idealized as beam-columns. Bridges with …
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Parametric analysis of progressive collapse in high-rise buildings
… investigated in detail with a specific focus on nonlinear dynamic analysis. The technique is applied for three different structural systems which are commonly used for high-rise buildings: moment frames, braced frames and truss tube systems. A variety of 2D structural models are analysed for …
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Seismic performance assessment for structural optimization
… damage assessment is dominated by the response analysis of the structure to a range of earthquake scenarios. We consider alternatives to the standard but expensive nonlinear dynamic analysis, and we evaluate the error introduced by the faster analysis methods. The applicability of linear dynamic …
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Complexity Analysis of Physiological Time Series with Applications to Neonatal Sleep Electroencephalogram Signals
… electroencephalography (EEG) signals. Complexity analysis is applied to two clinical data sets of neonatal sleep Electroencephalography(EEG) time series, to uncover the evolution of signal dynamics and its relationship to neurodevelopment and maturation. A review of the advantages and …
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Nonlinear finite element analysis of reinforced concrete structures subjected to blast loading
… the development of finite element techniques for nonlinear dynamic analysis of planar and axisymmetric reinforced concrete structures subjected to blast loading. The main aspects of numerical modelling process to simulate blast loads, structural geometries and material behaviour are addressed. …
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