نتایج جستجو برای: cubic damping
تعداد نتایج: 56647 فیلتر نتایج به سال:
It is shown that a nanosecond unipolar soliton-like pulse of the type localized shear deformation autowave propagating perpendicular to magnetic field can be formed in cubic paramagnetic crystal subjected longitudinal static direction external field. The influx energy stored ions into due nonequilibrium initial population their stationary quantum states compensated by irreversible losses caused...
Abstract This study presents a thorough theoretical and experimental investigation on the nonlinear damping of in-plane micromachined electromechanical resonators. More specifically, experiments are conducted an electrically actuated bridge resonator, primary resonance response system is obtained at various AC DC voltages. A model developed using Euler–Bernoulli beam theory while accounting for...
identification of damping parameter is usually more complicated and unreliable comparing to mass or stiffness identification in structural dynamics. there are many factors such as intermolecular friction, coulomb friction and viscous damping affecting the damping mechanisms in a structure. therefore it is difficult, and in some cases impossible, to describe the details of damping mechanisms by ...
In this note, we show how to marginalize over the damping parameter of the PageRank equation so as to obtain a parameter-free version known as TotalRank. Our discussion is meant as a reference and intended to provide a guided tour towards an interesting result that has applications in information retrieval and classification.
In this article we consider an n-dimentional thermoelastic system with a viscoelastic damping localized on a part of the boundary. We establish an explicit and general decay rate result that allows a larger class of relaxation functions and generalizes previous results existing in the literature.
A probabilistic description is essential for understanding the dynamics of stochastic systems far from equilibrium, given uncertainty inherent in the systems. To compare different Probability Density Functions (PDFs), it is extremely useful to quantify the difference among different PDFs by assigning an appropriate metric to probability such that the distance increases with the difference betwe...
Impulse excitation is a suitable tool to determine the temperature dependence of Young’s modulus and monitor ferroelectric phase transition unpoled barium titanate ceramics (tetragonal-to-cubic vice versa). By measurement from room 200–300 °C back, it found that there an elastic anomaly with sharp minimum (at 120 during heating 110 cooling, completely reproducible hysteresis), below above which...
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We study the neutrino oscillation problem in the framework of the wave packet formalism. The neutrino state is described by a packet located initially in a region S (source) and detected in another region D at a distance R from S. We examine how the oscillation probability as a function of variable R can be derived from he oscillation probability as a function of time t, the latter being found ...
local site conditions have a strong effect on ground response during earthquakes. two important soil parameters that control the amplification effects of seismic motions by a soil column are the soil hysteretic damping ratio and shear wave velocity. this paper presents the results of in situ damping ratio measurements performed using continuous surface wave attenuation data at a site in semnan ...
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