نتایج جستجو برای: couple stress

تعداد نتایج: 461355  

K Kumar R Kumar, R.C Nautiyal

In this paper the reflection and transmission at a plane interface between two different couple stress generalized thermoelastic solid half spaces in context of Loard-Shulman(LS)[1967] and Green-Lindsay(GL)[1972] theories in welded contact has been investigated. Amplitude ratios of various reflected and transmitted waves are obtained due to incidence of a set of coupled longitudinal waves and c...

Journal: :International Journal of Solids and Structures 2014

Journal: :Proceedings. Mathematical, physical, and engineering sciences 2015
Elena Atroshchenko Stéphane P A Bordas

In this paper, both singular and hypersingular fundamental solutions of plane Cosserat elasticity are derived and given in a ready-to-use form. The hypersingular fundamental solutions allow to formulate the analogue of Somigliana stress identity, which can be used to obtain the stress and couple-stress fields inside the domain from the boundary values of the displacements, microrotation and str...

Journal: :international journal of nano dimension 0
m. abbasi school of mechanical engineering, shahrood branch, islamic azad university, shahrood, iran n. abbasi medicine department, tehran university of medical science, tehran, iran

a relationship based on the modified couple stress theory is developed to investigate the flexural sensitivity of an atomic force microscope (afm) with assembled cantilever probe (acp). this acp comprises a horizontal cantilever, two vertical extensions and two tips located at the free ends of the extensions which form a caliper. an approximate solution to the flexural vibration problem is obta...

Journal: :international journal of nano dimension 0
m. heidari mechanical engineering group, aligudarz branch, islamic azad university, aligudarz, iran

the static pull-in instability of beam-type micro-electromechanical systems is theoretically investigated. two engineering cases including cantilever and double cantilever micro-beam are considered. considering the mid-plane stretching as the source of the nonlinearity in the beam behavior, a nonlinear size-dependent euler-bernoulli beam model is used based on a modified couple stress theory, c...

Journal: :international journal of nano dimension 0
s. narendar defence research and development laboratory, kanchanbagh, hyderabad-500 058, india. s. ravinder department of mechanical engineering, vardhaman college of engineering, shamshabad, hyderabad-501 218, india. s. gopalakrishnan department of aerospace engineering. indian institute of science, bangalore-560 012, india.

fabrication, characterization and application of micro-/nano-rods/wires are among the hottest topics in materials science and applied physics. micro-/nano-rod-based structures and devices are developed for a wide-ranging use in various fields of micro-/nanoscience (e.g. biology, electronics, medicine, optics, optoelectronics, photonics and sensors). it is well known that the structure and prope...

The present investigation deals with study of thermoelastic damping and frequency shift of Kirchhoff plate resonators by using generalized thermoelasticity theory of dual-phase-lag model. The basic equations of motion and heat conduction equation are written with the help of Kirchhoff-Love plate theory and dual phase lag model. The analytical expressions for thermoelastic damping and frequency ...

Journal: :Journal of rehabilitation research and development 2012
Candice M Monson Alexandra Macdonald Amy Brown-Bowers

A well-documented association exists among Veterans' posttraumatic stress disorder (PTSD) symptoms, family relationship problems, and mental health problems in partners and children of Veterans. This article reviews the recommendations regarding couple/family therapy offered in the newest version of the Department of Veterans Affairs (VA)/Department of Defense (DOD) VA/DOD Clinical Practice Gui...

Journal: :International Journal of Solids and Structures 2011

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