نتایج جستجو برای: electro magneto mechanical loadings

تعداد نتایج: 268480  

The aim of this article is to analyze nonlinear electro-magneto vibration of a double-piezoelectric composite microplate-system (DPCMPS) pursuant to the nonlocal piezoelasticity theory. The two microplates are assumed to be connected by an enclosing elastic medium, which is simulated by the Pasternak foundation. Both of piezoelectric composite microplates are made of poly-vinylidene fluoride (P...

Journal: :International Journal of Non-linear Mechanics 2021

Residual stresses may exist in different finitely deformed soft multifunctional materials such as electro-active and magneto-active polymers. In order to develop accurate constitutive frameworks of these smart experiencing electro-magneto-mechanically coupled loads, the presence residual needs be considered on onset model development. this contribution, a spectral equation for finite strain mag...

Journal: :Nature nanotechnology 2016
Nikolay I Zheludev Eric Plum

The changing balance of forces at the nanoscale offers the opportunity to develop a new generation of spatially reconfigurable nanomembrane metamaterials in which electromagnetic Coulomb, Lorentz and Ampère forces, as well as thermal stimulation and optical signals, can be engaged to dynamically change their optical properties. Individual building blocks of such metamaterials, the metamolecules...

2007
X. Wang E. Pan

Exact solutions are derived for three-dimensional, orthotropic, linearly piezothermoelastic, simply-supported, and multilayered rectangular plates with imperfect interfaces under static thermo-electro-mechanical loadings. In this research the imperfect interface is described as thermally weakly (or highly) conducting, mechanically compliant and dielectrically weakly (or highly) conducting. Whil...

2015
Andy Quindeau Ignasi Fina Xavi Marti Geanina Apachitei Pilar Ferrer Chris Nicklin Eckhard Pippel Dietrich Hesse Marin Alexe

Spin-valves had empowered the giant magnetoresistance (GMR) devices to have memory. The insertion of thin antiferromagnetic (AFM) films allowed two stable magnetic field-induced switchable resistance states persisting in remanence. In this letter, we show that, without the deliberate introduction of such an AFM layer, this functionality is transferred to multiferroic tunnel junctions (MFTJ) all...

Journal: :journal of nanostructures 2012
a. ghorbanpour arani a. haghshenas s. amir m. azami z. khoddami maraghi

electro-thermo-elastic stress analysis of piezoelectric polymeric thick-walled cylinder reinforced by boronnitride nanotubes (bnnts) subjected to electro-thermo-mechanical fields is presented in this article. the electro-thermo-elastic properties of piezoelectric fiber reinforced composite (pefrc) was studied by a modified xy micromechanical model capable of exhibiting full coupling relation be...

2013
Bin Hu Alicia J El Haj Jon Dobson

Mechanical cues are employed to promote stem cell differentiation and functional tissue formation in tissue engineering and regenerative medicine. We have developed a Magnetic Force Bioreactor (MFB) that delivers highly targeted local forces to cells at a pico-newton level, utilizing magnetic micro- and nano-particles to target cell surface receptors. In this study, we investigated the effects ...

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