نتایج جستجو برای: nonlocal model

تعداد نتایج: 2114479  

Journal: :Mathematical Methods in The Applied Sciences 2021

We study a nonlocal evolution equation generalising model introduced by Shigeru Kondo to explain colour patterns on skin of guppy fish. prove the existence stationary solutions using either bifurcation theory or Schauder fixed‐point theorem. also present numerical studies this and show that it exhibits similar those modelled well‐known reaction‐diffusion equations.

Journal: :international journal of nano dimension 0
a. tourki samaei young researchers club, chalous branch, islamic azad university, chalous, iran. sh. hosseini hashemi school of mechanical engineering, iran university of science and technology, tehran 16844, iran.

this paper proposed analytical solutions for the buckling analysis of rectangular single-layered graphene sheets under in-plane loading on all edges simply is supported. the characteristic equations of the graphene sheets are derived and the analysis formula is based on the nonlocal mindlin plate. this theory is considering both the small length scale effects and transverse shear deformation ef...

Journal: :Optics express 2013
Wei Yan N Asger Mortensen Martijn Wubs

We investigate the effects of hydrodynamic nonlocal response in hyperbolic metamaterials (HMMs), focusing on the experimentally realizable parameter regime where unit cells are much smaller than an optical wavelength but much larger than the wavelengths of the longitudinal pressure waves of the free-electron plasma in the metal constituents. We derive the nonlocal corrections to the effective m...

Journal: :Nonlinear Analysis: Real World Applications 2005

Journal: :International Journal of Engineering Science 2015

Torsional dynamic analysis of carbon nanotubes under the effect of longitudinal magnetic field is carried out in the present study. Torque effect of an axial magnetic field on a carbon nanotube has been defined using Maxwell’s relation. Nonlocal governing equation and boundary conditions for carbon nanotubes are obtained by using Hamilton’s minimum energy principle. Eringen’s nonlocal stress gr...

2003
Todd Kapitula Nathan Kutz

In recent studies of the master mode-locking equation, a model for solid-state cavity laser that includes nonlocal terms, bifurcations from stationary to seemingly time-periodic solitary waves have been observed. To decide whether the mechanism is a Hopf bifurcation or a bifurcation from the essential spectrum, a general framework for the Evans function for equations with nonlocal terms is deve...

R Pilafkan, S.F Asbaghian Namin

This paper addresses the influence of boundary conditions and small-scale effect on the free vibration of nano-plates using molecular dynamics (MD) and nonlocal elasticity theory. Based on the MD simulations, Large-scale Atomic/Molecular Massively Parallel Simulator (LAMMPS) is used to obtain fundamental frequencies of single layered graphene sheets (SLGSs) which modeled in this paper as the mo...

2014
K. Van Bockstal M. Slodička

A vectorial nonlocal linear hyperbolic problem with applications in superconductors of type-I is studied. The nonlocal term is represented by a (space) convolution with a singular kernel, which is arising in Eringen’s model. The well-posedness of the problem is discussed under low regularity assumptions and the error estimates for two time-discrete schemes (based on backward Euler approximation...

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