In this paper, Asymmetric buckling analysis of functionally graded (FG) Circular plates with temperature dependent property that subjected to the uniform radial compression and thermal loading is investigated. This plate is on an elastic medium that simulated by Winkler and Pasternak foundation. Mechanical properties of the plate are assumed to vary nonlinearly by temperature change. The equili...

The energy super-critical Gross–Pitaevskii equation with a harmonic potential is revisited in the particular case of cubic focusing nonlinearity and dimension d ? 5 . In order to prove existence ground state (a positive, radially symmetric solution space), we develop shooting method deal one-parameter family classical solutions an initial-value problem for stationary equation. We that curve (th...

In the present work, effect of von Karman geometric nonlinearity on the vibration characteristics of a Y-shaped single walled carbon nanotube (Y-SWCNT) conveying viscose fluid is investigated based on Euler Bernoulli beam (EBB) model. The Y-SWCNT is also subjected to a longitudinal magnetic field which produces Lorentz force in transverse direction. In order to consider the small scale effects,...

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...

In this work, we propose a high-order algorithm based on the asymptotic numerical method (ANM) for nonlinear elastic computation of helical structures without neglecting any term. The nonlinearity considered in following study will be geometric type, and kinematics adopted modeling takes into account hypotheses Timoshenko de Saint-Venant. finite element used discretization middle line structure...

The nonlinear characteristics of a general multiple degree-of-freedom suspension bridge under harmonic excitation are studied with an innovative approach consisting the modes, finite element modeling and incremental balance method. geometric nonlinearity induced by large-amplitude vibration is considered. mode mean kinetic energy system proposed to describe responses. can be expressed as linear...

The performance of Simultaneous Wireless Information and Power Transfer (SWIPT) is mainly constrained by the received Radio-Frequency (RF) signal strength. To tackle this problem, we introduce an Intelligent Reflecting Surface (IRS) to compensate propagation loss boost transmission efficiency. This paper proposes a novel IRS-aided SWIPT system where multi-carrier multi-antenna Access Point (AP)...

We study the Maxwell–Bloch equations governing a two-level laser in a ring cavity. For Class A lasers, these equations have two widely separated time scales and form a singularly perturbed, semilinear hyperbolic system with two distinct characteristics. We extend Fenichel’s geometric singular perturbation theory [N. Fenichel, J. Differential Equations, 31 (1979), pp. 53–98] to the Maxwell–Bloch...

This paper adopts stochastic FEM to study the statistical dynamic behaviors of nonlinear vibration of the fluid-conveying double-walled carbon nanotubes (DWCNTs) under a moving load by considering the effects of the geometric nonlinearity and the nonlinearity of van der Waals (vdW) force. The Young’s modulus of elasticity of the DWCNTs is considered as stochastic with respect to the position to...