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Parametric Random Vibrations under Non-Gaussian Delta-Correlated Processes
Publisher: American Society of Civil Engineers
Abstract: This paper addresses parametric random vibrations subjected to non-Gaussian delta-correlated processes as well as combinations of delta-correlated Gaussian and non-Gaussian processes. The scheme employs a response-moment ...
Response Cumulant Equations for Dynamic Systems under Delta-Correlated Processes
Publisher: American Society of Civil Engineers
Abstract: This paper develops response cumulant differential equations (CDEs) that can be used to calculate response cumulants for dynamic systems under non-Gaussian, delta-correlated excitations. The derived CDEs apply to both ...
Stochastic Dynamic Response to Nonlinear Wave Loading: Fourth‐Moment Analysis
Publisher: American Society of Civil Engineers
Abstract: This study presents an analytical method for calculating the fourth‐moment properties of the response of linear systems to a Morison‐type nonlinear random wave loading. The method is applicable to general cases with no ...
Closure to “<i>Stochastic Dynamic Response to Nonlinear Wave Loading: Fourth‐Moment Analysis</i>” by Sau‐Lon James Hu (January, 1990, Vol. 116, No. 1)
Publisher: American Society of Civil Engineers
Probabilistic Independence and Joint Cumulants
Publisher: American Society of Civil Engineers
Abstract: The assumption of probabilistic independence is commonly made in engineering analysis to gain mathematical tractability. Although the criteria of the independence of random variables have been presented in many different ...
Responses of Dynamic Systems Excited by Non‐Gaussian Pulse Processes
Publisher: American Society of Civil Engineers
Abstract: This paper presents an efficient method for calculating the response statistics of dynamic systems subjected to Poisson‐distributed (non‐Gaussian) pulse processes. The procedure to be followed is based on an extension of ...
Closure to “<i>Responses of Dynamic Systems Excited by Non‐Gaussian Pulse Processes</i>” by Sau‐Lon James Hu (September, 1993, Vol. 119, No. 9)
Publisher: American Society of Civil Engineers
Computing Transient Response of Dynamic Systems in the Frequency Domain
Publisher: American Society of Civil Engineers
Abstract: Frequency-domain methods are usually more efficient computationally than time-domain methods to compute the responses of linear dynamic systems. However, a common drawback of frequency-domain methods is that computed ...
Model Conversion Technique for Structural Dynamic Systems
Publisher: American Society of Civil Engineers
Abstract: This technical note introduces a novel
Tuned Mass Damper Design for Optimally Minimizing Fatigue Damage
Publisher: American Society of Civil Engineers
Abstract: Traditionally the usage of a tuned mass damper (TMD) is to improve the survivability of the primary structure under an extraordinary loading environment while the design loading condition is often described by a harmonic ...