Results 21 to 30 of about 69,824 (264)

Influence of Fluid Viscous Damper on the Dynamic Response of Suspension Bridge under Random Traffic Load

open access: yesAdvances in Civil Engineering, 2020
Fluid viscous dampers (FVDs) are widely used in long-span suspension bridges for earthquake resistance. To analyze efficiently the influences of FVDs on the dynamic response of a suspension bridge under high-intensity traffic flow, a bridge-vehicle ...
Yue Zhao   +4 more
doaj   +1 more source

A lattice Boltzmann study of phase separation in liquid-vapor systems with gravity [PDF]

open access: yes, 2009
Phase separation of a two-dimensional van der Waals fluid subject to a gravitational force is studied by numerical simulations based on lattice Boltzmann methods (LBM) implemented with a finite difference scheme.
Cristea, A.   +3 more
core   +2 more sources

Intensity scaling limitations of laser-driven proton acceleration in the TNSA-regime

open access: yesPhysical Review Research, 2022
We report on experimental results on laser-driven proton acceleration using high-intensity laser pulses. We present power law scalings of the maximum proton energy with laser pulse energy and show that the scaling exponent ξ strongly depends on the scale
S. Keppler   +9 more
doaj   +1 more source

Subjective response to seated fore-and-aft direction whole-body vibration [PDF]

open access: yes, 2007
Subjective response to seated, fore-and-aft direction, whole-body vibration of the type experienced in automobiles was investigated. Fore-and-aft acceleration was measured at the seat guide of a small automobile when driving over two representative road ...
Giacomin, J, Hacaambwa, T
core   +1 more source

Persistence of a Continuous Stochastic Process with Discrete-Time Sampling: Non-Markov Processes [PDF]

open access: yes, 2001
We consider the problem of `discrete-time persistence', which deals with the zero-crossings of a continuous stochastic process, X(T), measured at discrete times, T = n(\Delta T). For a Gaussian Stationary Process the persistence (no crossing) probability
A. Dhar   +48 more
core   +1 more source

Validation scheme for small effect of wind tunnel blockage on decaying grid-generated turbulence

open access: yesJournal of Fluid Science and Technology, 2016
This paper proposes a validation scheme for the effect of wind tunnel blockage on decaying grid-generated turbulence. This validation scheme was derived from the governing equations of the k-∈ model.
Hiroki SUZUKI   +2 more
doaj   +1 more source

Dynamical properties of a particle in a wave packet: scaling invariance and boundary crisis [PDF]

open access: yes, 2011
Some dynamical properties present in a problem concerning the acceleration of particles in a wave packet are studied. The dynamics of the model is described in terms of a two-dimensional area preserving map.
Aubry   +49 more
core   +1 more source

The effects of walking speed and mobile phone use on the walking dynamics of young adults

open access: yesScientific Reports, 2021
Walking while using a mobile phone has been shown to affect the walking dynamics of young adults. However, this has only been investigated using treadmill walking at a fixed walking speed.
Patrick Crowley   +3 more
doaj   +1 more source

Correlation Analysis between Rail Track Geometry and Car-Body Vibration Based on Fractal Theory

open access: yesFractal and Fractional, 2022
The effect of track geometry on vehicle vibration is a major concern in high-speed rail (HSR) operation from the perspectives of ride comfort and safety. However, how to quantitatively characterize the relation between them remains a problem to be solved
Xiao-Zhou Liu   +4 more
doaj   +1 more source

A method of acceleration for a class of multiplicative programming problems with exponent

open access: yesJournal of Computational and Applied Mathematics, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zhou, Xue-Gang, Wu, Kun
openaire   +1 more source

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