Results 11 to 20 of about 5,911,268 (324)
Zhejiang dianli, 2022 The transient forced excitation of the traditional excitation system used for synchronous condenser is limited and unmaintainable. A flexible excitation system can improve the crest value of transient forced excitation and maintain the forced excitation ...
WANG Longfei +5 more
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Nonstationary Random Critical Seismic Excitations [PDF]
Journal of Engineering Mechanics, 1987 A method is presented to find nonstationary random seismic excitations with a constraint on mean square value such that the response variance of a given linear system is maximized. It is also possible to incorporate the dominant input frequency into the analysis.
Iyengar, RN, Manohar, CS
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Nerve excitability changes in critical illness polyneuropathy [PDF]
Brain, 2006 Patients in intensive care units frequently suffer muscle weakness and atrophy due to critical illness polyneuropathy (CIP), an axonal neuropathy associated with systemic inflammatory response syndrome and multiple organ failure. CIP is a frequent and serious complication of intensive care that delays weaning from mechanical ventilation and increases ...
Z'Graggen, W. J. +4 more
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Frontiers in Built Environment, 2020 A new method for simultaneous optimal design of main building structures and viscous dampers is proposed for elastic-plastic multi-degree-of-freedom (MDOF) building structures subjected to the critical double impulse which is regarded as a representative
Hiroki Akehashi, Izuru Takewaki
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Critical phenomena in globally coupled excitable elements [PDF]
Physical Review E, 2008 4 pages, 3 ...
Ohta, Hiroki, Sasa, Shin-ichi
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Critical fronts in initiation of excitation waves [PDF]
Physical Review E, 2007 We consider the problem of initiation of propagating wave in a one-dimensional excitable fiber. In the FitzHugh-Nagumo theory, the key role is played by ``critical nucleus'' and ``critical pulse'' solutions whose (center-)stable manifold is the threshold surface separating initial conditions leading to propagation and those leading to decay. We present
Idris, I., Biktashev, V. N.
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Competitive Failure of Loosening and Fatigue of Bolts under Composite Excitation
Shock and Vibration, 2021 At present, research on the loosening of bolts under transverse excitation and their fatigue under axial excitation has been relatively mature, but research on the competitive relationship and failure characteristics between loosening and fatigue of ...
Guang-Wu Yang +4 more
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Vector Boson Excitations Near Deconfined Quantum Critical Points [PDF]
Physical Review Letters, 2013 We show that the N el states of two-dimensional antiferromagnets have low energy vector boson excitations in the vicinity of deconfined quantum critical points. We compute the universal damping of these excitations arising from spin-wave emission. Detection of such a vector boson will demonstrate the existence of emergent topological gauge excitations
Huh, Yejin +2 more
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Shock and Vibration, 2022 In this paper, the bifurcation and chaotic motion of a piecewise Duffing oscillator with delayed displacement feedback under harmonic excitation are studied.
Zhang Ming-Xin +3 more
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Laser-induced valence electron excitation in acetylene
Frontiers in Physics, 2022 Strong-field induced valence electron excitation is a common process in strong field interaction with atoms and molecules. In the case of polyatomic molecules, the effects of ionization from low-lying molecular orbitals and nuclear dynamics during the ...
Hongtao Hu +6 more
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