نتایج جستجو برای: modified couple stress elasticity theory

تعداد نتایج: 1473869  

Recent works done by nano-engineers and nano-sciences about mechanical behavior of nano-plates including bending, buckling and vibration response were reviewed. The authors used non-classical elasticity theories to explain these behaviors of plate structures. Some of them employed Hamilton’s principle along with stain gradient theory, nonlocal theory, surface theory and couple stress theory to ...

Journal: :journal of solid mechanics 0
m karimi department of mechanical engineering, isfahan university of technology, isfahan, iran a.r shahidi department of mechanical engineering, isfahan university of technology, isfahan, iran

in this article, surface stress and nonlocal effects on the biaxial and uniaxial buckling of rectangular silver nanoplates embedded in elastic media are investigated using finite difference method (fdm). the uniform temperature change is utilized to study thermal effect. the surface energy effects are taken into account using the gurtin-murdoch’s theory. using the principle of virtual work, the...

Journal: :Mathematics 2022

This paper presents for the first time a closed-form solution of dynamic response sigmoid bidirectional functionally graded (SBDFG) microbeams under moving harmonic load and thermal environmental conditions. The formulation is established in context modified couple stress theory to integrate effects microstructure. On basis elasticity theory, nonclassical governing equations are derived by usin...

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