operational modal analysis
A Study on Modal Parameter Estimation Method based on Operational Modal Analysis for Ship Structure
... HE modal parameter such as modal frequency, modal damping and modal shape is a key factor characterizing the dynamic behavior of structures, which could be estimated often using a dynamic ...
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Determination of Stiffness for Wind Tower Foundation by Operational Modal Analysis
... about modal analysis of wind towers have been conducted with different ...performed operational modal analysis for offshore wind turbine in order to identify damping for first mode ...
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Distributed Processing for Operational Modal Analysis of Bridge Infrastructures Using Wireless Sensor Networks
... The modal parameters of a structure is useful for various reasons, such as finite element model checking or structural damage ...only operational vibration data can be used, so-called operational ...
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Assessment of sub-Nyquist deterministic and random data sampling techniques for operational modal analysis
... undertaking operational modal analysis (OMA) using the frequency domain decomposition ...The modal assurance criterion is adopted to gauge the effectiveness of the two approaches using ...
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Assessment of sub-Nyquist deterministic and random data sampling techniques for operational modal analysis
... for operational modal analysis (OMA) 1,2 of civil engineering structures has been widely recognized in the past two decades 3-6 ...(e.g., modal shapes and natural frequencies) which are ...
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Sub-Nyquist signal-reconstruction-free operational modal analysis and damage detection in the presence of noise
... undertaking operational modal analysis (OMA) and damage localization relying on compressed vibrations measurements sampled at rates well below the Nyquist ...the modal strain energy index ...
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Comparison of Parametric and Non-Parametric Operational Modal Analysis Methods on Crack Aluminum Beam
... recognise modal parameters of any system in order to avoid failure and provide any necessary prevention ...of Operational Modal Analysis methods (OMA) such as Frequency Domain Decomposition ...
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Operational modal analysis of a spar-type floating platform using frequency domain decomposition method
... for Operational Modal ...with modal damping coefficients lower than ...and modal damping ratios; and these results have been compared to the input data of the numerical ...The modal ...
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Tuned-sinusoidal method for operational modal analysis of small and light structures
... the operational modal analysis of small and light structures is ...the modal analysis on small and light structures, where the response of the structure is ...
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A multi-sensor sub-Nyquist power spectrum blind sampling approach for low-power wireless sensors in operational modal analysis applications
... for Operational Modal Analysis (OMA) ...Structural modal properties are then extracted through standard frequency domain decomposition ...the modal assurance criterion can be obtained ...
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Validation Study Illustrates the Accuracy of Operational Modal Analysis Identification
... decades, Operational Modal Analysis OMA, also known as Output Only or Ambient Vibration Test, has become a powerful tool for a wide range of applications in the field of civil ...structural ...
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Machine Tool Crack Detection using Operational Modal Characteristics
... end). Operational Modal Analysis (OMA) requires the response signals of the investigated structure, the signals of the input forces are not ...for modal parameter ...
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A Machine Learning Approach to Nonlinear Modal Analysis
... algebraic analysis is not needed; in fact even the details of the equations of motion are not needed; this makes the method particularly suited to experimental investigation of nonlinear systems in principle, only ...
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Structural and modal analysis of a ladder frame chassis
... The French term ‘Chassis’ was at first used to mean the fundamental structure of the vehicle. A ladder Chassis is the simplest and oldest frame used in modern vehicular construction. It was originally taken from “horse ...
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Static and Modal Analysis of Propeller Shaft of LMV
... and modal analysis the deformation, shear stress, Von-Mises stress, critical speed, bending natural frequency and weight are determined which gives better results as compare to Steel ...
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Nonlinear modal analysis using pattern recognition
... nonlinear modal analysis is to formulate a mathematical model of a nonlinear dynamical structure based on observations of input/output data from the dynamical ...structural modal analysis are ...
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Development of a process for identification of the operational mode of industrial sites using high dimensional multi-modal data
... A collection of some of the different signal types and the data they can collect is available in Table 2.4. All of these could combine to give a detailed description of a facility, as well as determine all of its ...
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Analysis of the Operational Characteristics o...
... We used HSPICE to obtain the operational characteristics of the CNTFET at different device parameters. We used Stanford University CNTFET Model Package v221. This model has a minimum possible channel length of ...
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Modal Analysis of Micro-Electromechanical Systems
... Transient Analysis required time varying load along with fixed support. A range of ambient pressures are applied to see the effects of pressures over the structure. Pressure is applied for 1ms and then removed to ...
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Modal Analysis of Beam with Varying Crack Depth
... Many engineering components are considered as vibrating structures under cyclic stresses in aerospace and aeronautical industries. Cracks may produce in the structures due to cyclic stresses. Mainly fatigue cracks are ...
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