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Beyond Good Vibrations:New Insights into Metamaterial Magic(图)
Vibrations New Insights Metamaterial Magic
2017/11/23
If invisibility cloaks and other gee-whiz apps are ever to move from science fiction to science fact, we’ll need to know more about how these weird metamaterials actually work. Michigan Tech researche...
Phosphate Vibrations Probe Local Electric Fields and Hydration in Biomolecules
Phosphates Water Phospholipids Spectrophotometry, Infrared Electricity Models, Molecular
2016/5/25
The role of electric fields in important biological processes such as binding and catalysis has been studied almost exclusively by computational methods. Experimental measurements of the local electri...
Origins of the Sensitivity of Molecular Vibrations to Electric Fields:Carbonyl and Nitrosyl Stretches in Model Compounds and Proteins
phosphoenolpyruvate carboxylase thermostable limited proteolysis flexible loop main chain connectivity
2016/5/24
The vibrational Stark effect (VSE) is the effect of an electric field on the vibrational spectrum. Typically, the largest change induced by an electric field is the linear frequency shift whose sensit...
Bad vibrations:UCI researchers find security breach in 3-D printing process
Bad vibrations UCI researchers security breach 3-D printing process
2016/3/11
With findings that could have been taken from the pages of a spy novel, researchers at the University of California, Irvine have demonstrated that they can purloin intellectual property by recording a...
Nonlinear free flexural vibrations of functionally graded rectangular and skew plates under thermal environments
Functionally graded plate nonlinear free vibration aspect ratio temperature gradient index
2011/9/21
Abstract: The nonlinear formulation developed based on von Karman's assumptions is employed to study the free vibration characteristics of functionally graded material (FGM) plates subjected to therma...
Alfven seismic vibrations of crustal solid-state plasma in quaking paramagnetic neutron star
Alfven seismic vibrations paramagnetic neutron star
2010/11/11
Magneto-solid-mechanical model of two-component, core-crust, paramagnetic neutron star responding to quake-induced perturbation by differentially rotational, torsional, oscillations of crustal electro...
Radiative activity of magnetic white dwarf undergoing Lorentz-force-driven torsional vibrations
magnetic white dwarf non-radial pulsations magneto-dipole emission
2010/11/11
We study radiative activity of magnetic white dwarf undergoing torsional vibrations about axis of its own dipole magnetic moment under the action of Lorentz restoring force. It is shown that pulsating...
Different Network Topologies for Distributed Electric Damping of Beam Vibrations
Different Network Topologies Distributed Electric Damping Beam Vibrations
2010/12/13
In this work passive electric damping of structural vibrations by distributed piezoelectric transducers and electric networks is analyzed. Different distributed electric controllers are examined as fi...
Logic Operations Demonstrated with Localized Vibrations in a Micromechanical Cantilever Array
intrinsic localized modes Localized Vibrations
2010/4/1
A method is presented for realizing logic operations in a micromechanical cantilever array based on the timed application of a lattice disturbance to control the properties of intrinsic localized mode...
Application of Adomian decomposition method to study heart valve vibrations
Fractional derivative Semilunar heart valve vibrations
2010/9/15
The objective of this paper is to solve the equation of motion of semilunar heart valve vibrations. The vibrations of the closed semilunar valves were modeled with a Caputo fractional derivative of or...
Study of closed orbit response to magnet vibrations at the SSRF storage ring
closed orbit distortion magnet vibrations response function girder local correlation compensation effect betatron wavelength
2009/8/14
This paper presents the analytical and simulation responses of the closed orbit distortion in the SSRF storage ring to random and plane wave like magnet vibrations respectively. It is shown that the u...
Ground vibrations and airborne sounds generated by motion of rock in a river bed
Ground vibrations airborne sounds a river bed
2009/12/31
This study investigates how ground vibrations (underground sounds) and airborne sounds that are produced by rocks in a river bed differ from each other. Airborne and underground sounds were simultaneo...
Ground vibrations and airborne sounds generated by motion of rock in a river bed
Ground vibrations airborne sounds motion of rock river bed
2010/1/4
This study investigates how ground vibrations (underground sounds) and airborne sounds that are produced by rocks in a river bed differ from each other. Airborne and underground sounds were simultaneo...
Spatial Behaviour for the Harmonic Vibrations in Plates of Kirchhoff Type
Kirchhoff plates Spatial behaviour Harmonic vibrations
2008/6/26
In this paper the spatial behaviour of the steady-state solutions for an equation of Kirchhoff type describing the motion of thin plates is investigated. Growth and decay estimates are established ass...