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RISMelnikov Process for Stochastically Perturbed, Slowly Varying Oscillators: Application to a Model of Wind-Driven Coastal Currents
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The stochastic Melnikov approach is extended to a class of slowly varying dynamical systems. It is found that (1) necessary conditions for chaos induced by stochastic perturbations depend on ...
Non-Gaussian Noise Effects on Reliability of Multistable Systems
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: For certain types of compliant structures, the designer must consider limit states associated with the onset of fluidelastic instability. These limit states may include bifurcations from motion ...
Aerodynamic Damping in the Along-Wind Response of Tall Buildings
Publisher: American Society of Civil Engineers
Abstract: We present a novel methodology for the estimation of the aerodynamic damping that affects the along-wind response of tall buildings. The estimation uses (1) measurements of the external pressures on the windward and leeward ...
Tall Building Response Parameters: Sensitivity Study Based on Orthogonal Factorial Experiment Design Technique
Publisher: American Society of Civil Engineers
Abstract: This work has two objectives. The first objective is to introduce structural engineers to the experiment design technique, whose future applications may include, for example, the total response of tall buildings, the ...
Extreme Wind Distribution Tails: A “Peaks over Threshold” Approach
Publisher: American Society of Civil Engineers
Abstract: We seek to ascertain whether the reverse Weibull distribution is an appropriate extreme wind-speed model by performing statistical analyses based on the “peaks over threshold” approach. We use the de Haan method, which was ...
Estimates of Hurricane Wind Speeds by “Peaks Over Threshold” Method
Publisher: American Society of Civil Engineers
Abstract: We report results that lend support to the hypothesis that extreme hurricane wind speeds are described predominantly by reverse Weibull distributions, which have limited upper tails. This is consistent with the result ...
Closure to “Database-Assisted Design, Standardization, and Wind Direction Effects” by Antonio Rigato, Peter Chang, and Emil Simiu
Publisher: American Society of Civil Engineers
Low-Rise Steel Structures under Directional Winds: Mean Recurrence Interval of Failure
Publisher: American Society of Civil Engineers
Abstract: The Commentary to the American Society of Civil Engineers (ASCE) Standard 7-05 states that the nominal mean recurrence interval (MRI) of the wind speed inducing the design strength is about 500 years if the specified load ...
Assessment of ASCE 7 Standard Wind Load Factors for Tall Building Response Estimates
Publisher: American Society of Civil Engineers
Abstract: Wind load factors incorporated in the ASCE 7-05 standard are based on rough approximations of wind effects and the uncertainties inherent in them. These factors are routinely applied to tall building design, even though ...
International Comparison of Wind Tunnel Estimates of Wind Effects on Low-Rise Buildings: Test-Related Uncertainties
Publisher: American Society of Civil Engineers
Abstract: The consistency of measurements in various wind tunnels is of concern to designers and code writers. This study attempts to quantify the variability of wind effects estimates based on tests conducted at six wind tunnel ...