نتایج جستجو برای: nonlocal integral elasticity

تعداد نتایج: 151180  

1997
Jinqiao Duan Vincent J. Ervin Hongjun Gao

The nonlocal Kuramoto-Sivashinsky equation arises in the modeling of the flow of a thin film of viscous liquid falling down an inclined plane, subject to an applied electric field. In this paper, the authors show that, as the coefficient of the nonlocal integral term goes to zero, the solution trajectories and the maximal attractor of the nonlocal Kuramoto-Sivashinsky equation converge to those...

In this article, the thermoelastic interactions in an isotropic and homogeneous semi-infinite medium with variable thermal conductivity caused by an ultra-short pulsed laser heating based on the linear nonlocal theory of elasticity has been considered. We consider that the thermal conductivity of the material is dependent on the temperature. The surface of the surrounding plane of the medium is...

Journal: :Algorithms 2022

Recent developments have shown that the widely used simplified differential model of Eringen’s nonlocal elasticity in nanobeam analysis is not equivalent to corresponding and initially proposed integral models, pure two-phase model, all cases loading boundary conditions. This has resolved a paradox with solutions are line expected softening effect theory appears other cases. In addition, it rev...

In this paper, the Ritz method has been employed to analyze the free in-plane vibration of heterogeneous (non-uniform) rectangular nanoplates corresponding to Eringen’s nonlocal elasticity theory. The non-uniformity is taken into account using combinations of linear and quadratic forms in the thickness, material density and Young’s modulus. Two-dimensional boundary characteristic orthogonal pol...

In this research, the nonlinear buckling analysis of Functionally Graded (FG) nano-composite beam reinforced by various distributions of Boron Nitrid Nanotube (BNNT) is investigated under electro-thermodynamical loading with considering initial geometrical imperfection. The analysis is performed based on nonlocal elasticity theory and using the Finite Element Method (FEM). Various distribu...

Journal: :International Journal of Mechanical Sciences 2021

Motivated by the need to have a fully nonlinear beam model usable at nanoscale, in this paper equilibrium problem of inflexed nanobeams context nonlocal finite elasticity is investigated. Considering both deformations and displacements large, three-dimensional kinematic has been proposed. Extending linear Eringen theory, constitutive law integral form for Cauchy stress tensor defined. Finally, ...

Journal: :SIAM Journal of Applied Mathematics 2012
Qiang Du James R. Kamm Richard B. Lehoucq Michael L. Parks

We describe an approach to nonlocal, nonlinear advection in one dimension that extends the usual pointwise concepts to account for nonlocal contributions to the flux. The spatially nonlocal operators we consider do not involve derivatives. Instead, the spatial operator involves an integral that, in a distributional sense, reduces to a conventional nonlinear advective operator. In particular, we...

Journal: :Journal of King Saud University - Science 2016

Journal: :International Journal of Mechanical Sciences 2017

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