Nazhad Hussein

Nazhad Hussein
Salahaddin University - Erbil | SUH · Department of Mechanical Engineering

PhD

About

14
Publications
1,098
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51
Citations
Introduction
Nazhad Hussein currently works as Dean of Engineering college in Salahaddin University - Erbil. Their most recent publication is 'EFFECT OF HEAT INPUT AND ENVIRONMENTAL TEMPERATURE ON THE WELDING RESIDUAL STRESSES USING ANSYS APDL PROGRAM COMPARISON WITH EXPERIMENTAL RESULTS'.

Publications

Publications (14)
Article
Full-text available
Nonlinear torsional vibration of nanorods embedded in an elastic medium under three-dimensional thermal stresses is investigated in this study. The scale effect is introduced to the equation of motion using the nonlocal theory. The nanorods are under the effect of a three-dimensional thermal environment. The elastic medium is modeled by infinite ro...
Article
The effect of thermal stresses on the torsional vibration of non, single, and double-cracked nanorods surrounded by an elastic medium is investigated. The differential constitutive relation of the nonlocal theory is applied to the motion equation. Three-dimensional linear thermal strains raised from the thermal stresses are derived using nonlinear...
Article
This paper presents new parameters for damping improvement in F2 MC tubes performance as tunable vibration absorbers. They offer very good performance with environments having susceptibility to high frequency vibration noise. This study highlights the behavior of changing some parameters of F2 MC tubes which never have been studied before. These...
Article
This paper investigates free vibration of cracked single-walled carbon nanotubes modelled as Timoshenko nanobeams under axial thermal load. The main objective of this work is a deep, true, and precise formulation to analyse truly the thermal effects on the Timoshenko nanobeam model. Nonlocal elasticity theory is applied to Timoshenko beam model. It...
Article
This paper studies torsional vibration of carbon nanotubes/nanorods embedded in an elastic medium under thermal stresses. Nonlocal theory is applied to the nanorod equations. The thermal stresses act in axial and other directions, and their amounts vary as temperature changes. The elastic medium is modeled as a rotational spring around the nanorod....
Article
Full-text available
The purpose of this paper is to present a new method to establish a kinematic model for different manipulators, whose can be simulate the move in a two-dimensional workspace.The model is applied and implemented to four robot arm manipulators witha different DOF.The first step of modelling a robot is establishing its mathematical model parameters. I...
Article
Nonlinear vibration of nanobeams embedded in the linear and nonlinear elastic materials under magnetic and temperature effects is investigated in this study. Von Karman’s strain–displacement relation is applied to a nonlocal Euler–Bernoulli beam model. Equation of motion is derived using Hamilton’s principle. Galerkin’s method is applied to decompo...
Article
Full-text available
This study investigates thermal effect on free vibration of cracked single-walled carbon nanotubes (SWCNTs) embedded in an elastic medium under different boundary conditions. The nonlocal Euler–Bernoulli beam equations are derived using the Hamiltonian principle. The interaction of the elastic medium and the SWCNT is modeled using Winkler-type foun...
Article
Full-text available
Fluidic Flexible Matrix Composite (F2MC) tubes are promising fiber reinforced tubes, they can passively provide damping and vibration absorption. This study focuses on analyzing F2MC tube’s response to add damping to cantilever structures. A novel cantilever beam vibration absorber encompassing different models of a patch of F²MC tubes has been exa...
Article
Full-text available
Flexible Matrix Composite (F 2 MC) tubes are emerging technologies, which can provide lightweight, compact vibration control when attached to a vibrating structure. This work presents a new model for solving a problem of vibrations in cantilever beams with attaching F 2 MC tubes as patches that provide passive vibration control. Mathematical model...
Conference Paper
The aim of this paper is to investigate the effect of increase in the value of heat input due to change in the welding speed and its influence on residual stress distribution in steel weldments at different environmental temperature. The residual stresses were determined by FE simulation using ANSYS APDL program and hole-drilling strain gage method...
Article
Full-text available
Purpose The purpose of the paper is to characterize the fatigue behavior, such as fatigue strength, and stress intensity factor values of aluminum alloy type 2024‐T3, using only a round specimen. The aim in this study is to interrelate the fatigue behavior directly with the microstructure, as an attempt to reduce other parameters that might be asso...

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