Results 11 to 20 of about 26,398 (263)

Alternate-continuous-control systems with double-impulse [PDF]

open access: yesAdvances in Difference Equations, 2017
We propose a mathematical model that can control the stability of an unstable system. Periodicity is an important feature of the system. We add a continuous control to the first half of each period of the system and then add an impulse control J1 at the ...
Xiang Hu   +3 more
doaj   +7 more sources

CFD Prediction of a Double Impulse Burner for Glass Furnaces

open access: yesEnergies, 2023
Recently, growing environmental awareness has radically changed the way the problems and priorities of industry are dealt with. Energy issues have become an issue of primary importance, both in terms of consumption and polluting emissions.
Carlo Cravero   +2 more
doaj   +3 more sources

Impulse in a Double Ball Bounce

open access: yesInternational Scholastic Journal of Science, 2010
A steel ball was dropped onto a handball which was resting on top of a horizontal Vernier force-plate. The relationship between the impact momentum of the steel ball and the impulse on the force-plate was investigated. The measured impulse
Daniel Y. Nielsen
doaj   +1 more source

Impulsive pyramid-vertex and double-wedge diffraction coefficients [PDF]

open access: yesIEEE Antennas and Propagation Society International Symposium. 2001 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.01CH37229), 2002
A new time domain version of the uniform description of double diffraction at a pair of coplanar skew wedges and vertex diffraction at the tip of a pyramid is here presented. The diffracted fields are uniformly evaluated in closed form via wavefront approximations.
Capolino, F, Albani, M
openaire   +3 more sources

`Spatial impulse response of a rectangular double curved transducer [PDF]

open access: yesThe Journal of the Acoustical Society of America, 2012
Calculation of the pressure field from transducers with both a convex and a concave surface geometry is a complicated assignment that often is accomplished by subdividing the transducer surface into smaller flat elements of which the spatial impulse response is known.
Bæk, David   +2 more
openaire   +4 more sources

Critical earthquake response of elastic-plastic structures under near-fault ground motions (Part 1: Fling-step input)

open access: yesFrontiers in Built Environment, 2015
The double impulse input is introduced as a substitute of the fling-step near-fault ground motion and a closed-form solution of the elastic-plastic response of a structure by the ‘critical double impulse input’ is derived.
Kotaro eKojima, Izuru eTakewaki
doaj   +1 more source

Hysteretic-Viscous Hybrid Damper System With Stopper Mechanism for Tall Buildings Under Earthquake Ground Motions of Extremely Large Amplitude

open access: yesFrontiers in Built Environment, 2020
This paper is aimed at proposing a hysteretic-viscous hybrid (HVH) damper system for tall buildings subjected to long-period pulse-type earthquake ground motions of extremely large amplitudes. The HVH system was introduced for a single-degree-of-freedom (
Shoki Hashizume, Izuru Takewaki
doaj   +1 more source

Robustness Evaluation of Elastoplastic Base-Isolated High-Rise Buildings Subjected to Critical Double Impulse

open access: yesFrontiers in Built Environment, 2017
A new method of robustness evaluation is proposed for an elastoplastic base-isolated high-rise building considering simultaneous uncertainties of structural parameters.
Kohei Fujita   +3 more
doaj   +1 more source

Explicit Overturning Limit of Rigid Block Using Triple and Pseudo-Triple Impulses Under Critical Near-Fault Ground Motions

open access: yesFrontiers in Built Environment, 2021
An explicit limit for the overturning of a rigid block is derived on the input level of the triple impulse and the pseudo-triple impulse as a modified version of the triple impulse that are a substitute of a near-fault forward-directivity ground motion ...
Sae Homma   +2 more
doaj   +1 more source

Collapse-Limit Input Level of Critical Double Impulse for Damped Bilinear Hysteretic SDOF System With Negative Post-yield Stiffness

open access: yesFrontiers in Built Environment, 2019
The collapse-limit input velocity level of the critical double impulse simulating the principal part of near-fault ground motions is derived for an elastic-plastic structure with viscous damping and P-delta effect.
Yoshito Saotome   +2 more
doaj   +1 more source

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