The electro-thermomechanical modeling study of the High Electron Mobility Transistor (HEMT) has been presented, all necessary equations are detailed and coupled. This proposed by finite element method using Comsol multiphysics software, allowed to behaviour transistor observe different degradations in structure component. Then, an optimization is avoid failures transistor. In this work, we have...

This paper investigates an uncommon technique by using the influence of random function (Weiner process function), on a two-temperature problem, at free surface semiconducting medium, photo-thermoelasticity theory. Using Silicon material as example medium under magnetic field, novel model can be formulated. To make problem more logical, randomness Weiner is aged to governing stochastic equation...

Ultra-compact silicon-photonic-crystal-waveguide-based thermo-optic and electro-optical Mach-Zehnder interferometers have been proposed and fabricated. Thermal and electrical simulations and optical characterizations have been performed. Experimental results were in good agreement with the theoretical predictions.

The behavior of an exponentially graded hybrid cylindrical shell subjected to an axisymmetric thermo-electro-mechanical loading placed in a constant magnetic field is investigated. The hybrid shell is consisted of a functionally graded host layer  embedded with pyroelectric layers as sensor and/or actuator  that can be imperfectly bonded to the inner and the outer surfaces of a shell. The shell...

Abstract This paper presents a numerical model for the simulation of resistance sintering. It involves an electro-thermo-mechanical coupling, where each is simulated as continuum with influence porosities included through distribution relative density, i.e. ratio apparent density to that corresponding fully dense bulk material. For mechanical response, this plasticity based on porous formulatio...

Liquid epoxy resins have received much attention from both academia and the chemical industry as eco-friendly volatile organic compound (VOC)-free alternatives for applications in coatings and adhesives, especially in those used in households. Epoxy resins show high chemical resistance and high creep resistance. However, due to their brittleness and lack of thermal stability, additional fillers...

introduction: nano-indentation has recently been employed as a powerful tool for determining the mechanical properties of biological tissues on nano and micro scales. a majority of soft biological tissues such as ligaments and tendons exhibit viscoelastic or time-dependent behaviors. the constitutive characterization of soft tissues is among very important subjects in clinical medicine and espe...

Abstract Supercritical boiler system has been widely used to increase efficiency of electricity generation in power plant industries. However, the supercritical operating condition can seriously affect structural integrity components due high temperature that causes degradation material properties. Pressure reducing valve is an important component being employed within a main steam line boiler,...

In this study, electro-thermo-mechanical nonlinear vibration and instability of embedded piezoelectric micro-tube is carried out based on nonlocal theory and nonlinear Donnell's shell model. The smart micro-tube made of Poly-vinylidene fluoride (PVDF) is conveying an isentropic, incompressible fluid. The detailed parametric study is conducted, focusing on the remarkable effects of mean flow vel...