Journal of Vibration and Acoustics: Recent submissions
Now showing items 3741-3760 of 3913
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2000-hp Motor Support Structure Vibration Sensitivity: Tests, Finite Element Analysis, and Suggested Strategies for Prevention
(The American Society of Mechanical Engineers (ASME), 1984)High vibration was detected during startup of three 2000-hp motors driving critical service compressors. A system natural frequency was close to the running speed. Extensive field tests were ... -
Modal Analysis and Error Estimates for Linearized Finite Journal Bearings
(The American Society of Mechanical Engineers (ASME), 1984)The linearized model of a rigid symmetric rotor with finite bearings is solved using modal analysis. Important parameters of the finite bearing system are evaluated and these include the ... -
The Use of Signal Analysis and Identification Methods for Correction of Unbalance Computations
(The American Society of Mechanical Engineers (ASME), 1984)This paper describes a scheme for the correction of mass unbalance computations for the effect of torque disturbances. A general approach is dealt with, showing how to assess the disturbance ... -
On the Critical Speed of Continuous Shaft-Disk Systems
(The American Society of Mechanical Engineers (ASME), 1984)The critical speed of a shaft-disk system can be approximately determined from a single degree-of-freedom model. The errors in the critical speed predictions obtained from such a model are ... -
Finite Element and Modal Analyses of Rotor-Bearing Systems Under Stochastic Loading Conditions
(The American Society of Mechanical Engineers (ASME), 1984)A flexible rotor bearing system is represented in detail utilizing the state of the art finite element technique. The mathematical model takes into account the gyroscopic moments, rotary inertia, ... -
The Reduction of Bias Error in Transfer Function Estimates Using FFT-Based Analyzers
(The American Society of Mechanical Engineers (ASME), 1984)The susceptibility to bias error of two methods for computing transfer (frequency response) functions from spectra produced by FFT-based analyzers using random excitation has been investigated. ... -
A Comparison of Fourier and Parametric Methods for Structural System Identification
(The American Society of Mechanical Engineers (ASME), 1984)The aim of the paper is to compare Fourier methods and three parametric methods as techniques for the analysis of data acquired from a vibrating structure. The parametric methods include the ... -
Study of Damped Critical Speeds and Damping Ratios of Flexible Rotors
(The American Society of Mechanical Engineers (ASME), 1984)Influences of bearing damping on critical speeds of flexible rotors are investigated. First, the damped critical speed and the damping ratio of a uniform shaft supported at both ends are ... -
A Method for Recognizing Structural Nonlinearities in Steady-State Harmonic Testing
(The American Society of Mechanical Engineers (ASME), 1984)A method for recognizing the extent of the nonlinearity of data acquired by the steady-state harmonic excitation methods is developed. The level of the nonlinearity is defined by a single ... -
A Comparison of Traditional Fourier and Maximum Entropy Spectral Methods for Vibration Analysis
(The American Society of Mechanical Engineers (ASME), 1984)The structural vibrations monitored on a process plant often contain burst phenomena where several discrete frequencies are present. Spectral analysis of these vibration signals by Fourier transform ... -
Probabilistic Design and Analysis of Foundation Forces for a Class of Unbalanced Rotating Machines
(The American Society of Mechanical Engineers (ASME), 1984)Rotors of rotating machinery inherently have mass eccentricities that transfer forces to the bearings, housing, and foundation of the machine. This paper considers, from a probabilistic viewpoint, ... -
Whirl Speeds and Unbalance Response of Multibearing Rotors Using Finite Elements
(The American Society of Mechanical Engineers (ASME), 1984)This paper presents dynamic modeling of rotor bearing systems with rigid disks, distributed parameter finite rotor elements and flexible, discrete multibearings. The previous works have included ... -
Design of a High-Level Diagnostic System
(The American Society of Mechanical Engineers (ASME), 1984)The use of vibration signals produced by the operation of a machine to control its operations and detect developing faults is appealing because of the ruggedness of vibration sensors and their ... -
Detection of a Misaligned Disk Coupling Using Spectrum Analysis
(The American Society of Mechanical Engineers (ASME), 1984)This paper contains the development of the expected vibration frequencies for a misaligned metallic-disk flexible coupling based on the analysis of the structural vibrations produced by misalignment. ... -
State-of-the-Art Review: MSA—Mechanical Signature Analysis
(The American Society of Mechanical Engineers (ASME), 1984)Various aspects of MSA are presented, including a classification and application scheme. Described are general principles, common to applications of different character. These include data reduction, ... -
Progress in Boundary Element Methods (Vol. 1)
(The American Society of Mechanical Engineers (ASME), 1984) -
A Coupled Structural-Acoustic Finite Element Model for Vehicle Interior Noise Analysis
(The American Society of Mechanical Engineers (ASME), 1984)An analytical method is developed for predicting vehicle interior noise and identifying noise sources. In this method, the finite element models representing the vehicle structure and its enclosed ... -
Computational Methods in Structural Dynamics
(The American Society of Mechanical Engineers (ASME), 1984) -
Identification of Vibrating Structures
(The American Society of Mechanical Engineers (ASME), 1984) -
Multichannel Structural Inverse Filtering
(The American Society of Mechanical Engineers (ASME), 1984)A technique has been implemented for predicting the multiple input force time histories acting on a machinery component through the use of multiple vibration measurements and a stored matrix ...