PhD Candidate (SYDE)
Contact Information
Office: E7 6427
Email: s223rahm@uwaterloo.ca
Affiliations
Systems Design Engineering, University of Waterloo, Canada
Department of Mechanical Engineering, Iran University of Science & Technology, Tehran, Iran
Educations
- Current: PhD Systems Design Engineering at University of Waterloo, Canada
- Ph.D, Mechanical Engineering, Iran University of Science & Technology, Tehran, Iran
- M.Sc, Mechanical Engineering-Applied Design, Tarbiat Modares University (TMU), Tehran, Iran
- BS, Mechanical Engineering-Solid Mechanics, Islamic Azad University Central Tehran Branch, Tehran, Iran
Research Interests
- Nonlinear Modeling of MEMS/NEMS
- Nonlinear Vibration Analysis
- Continuum Mechanics
- Nonlinear Dynamics
- Bifurcation and Stability Analysis
- Sensors
- Actuators
- Modal Testing and Modal Analysis
- Dynamic Systems with Chaotic Behavior
- Multi-Body System Dynamics
- Dynamics of Mechanisms with Joint Clearance
- Rotor Dynamics
Research Experiences
- Chaos investigation in NEMS
- Size-dependency in nanostructures
- Surface elasticity theory in nanosized structures
- Modified couple stress theory in nanostructures
- Resonance analysis: Secondary resonance (sub- and super-harmonic resonances)
- Parametric resonance: parametric amplification and noise squeezing effect
- Non-classical continuum theory
- Viscoelasticity in MEMS/NEMS
- Introducing a novel excitation method based on combination resonance to improve the power harnessed from a vibrating Energy Harvester having a piezoelectric patch.
- Extending an easy-to-use finite element model concerning integral form of non-local elasticity theory
- Fluid-solid interaction (FSI) in nanoplates immersing in in-compressible fluids
Research Projects
- Modal testing and modal parameters extraction of an air-cross structure. Finite element model updating using Response Surface Method (RSM)
- Controlling chaos in a spur gear system
Publications
Computer Skills
Platforms: MATLAB, SIMULINK, AUTO-07p
- MATLAB: Computerizing systems model through writing scripts in MATLAB software
- SIMULINK: Modelling and controlling the dynamics of mechanical systems using block diagrams in SIMMECHANIC library
- AUTO-07p package executed on Linux operating system to perform “Continuation and Bifurcation Analysis” on any set of first-order nonlinear ordinary differential equations (System Dynamics in state-space) with large dimensions, namely, n>25 up to 50
Supervisor
- Professor Eihab Abdel-Rahman