Search Results - "Dardel, Morteza"

Sound transmission loss in functionally graded porous metastructural plate with absorber by Taghipour, Alale, Dardel, Morteza

“…In the present work, sound transmission loss (STL) of two plates functionally graded sandwich structures with a porous core is studied. The plates are modeled…”
Get full text

Passive vibration absorbers for vibration reduction in the multi-bladed rotor with rotor and stator contact by Tehrani, Ghasem Ghannad, Dardel, Morteza, Pashaei, Mohammad Hadi

“…Contact phenomena are among the most undesirable incidences in a rotor dynamic system where its emergence could be due to the centrifugal force generated by an…”
Get full text

Nonlinear vibration mitigation of a flexible rotor shaft carrying a longitudinally dispositioned unbalanced rigid disc by Taghipour, Javad, Dardel, Morteza, Pashaei, Mohammad Hadi

“…This study is dedicated to investigate the nonlinear dynamics of a system composed of a flexible rotor shaft carrying a longitudinally dispositioned unbalanced…”
Get full text

The effect of bi-axial in-plane loads on the natural frequency of nano-plates by Enayati, Seyed Ghasem, Dardel, Morteza, Pashaei, Mohammad Hadi

“…In this paper, natural frequencies of nano-plates subjected to two-sided in-plane tension or compressive loads, based on Eringen nonlocal elasticity theory and…”
Get full text

Nonlinear vibration and stability analysis of double-walled piezoelectric nanoresonator with nonlinear van der Waals and electrostatic excitation by Hashemi Kachapi, Sayyid H, Mohammadi Daniali, Hamidreza, Dardel, Morteza, Fathi, Alireza

“…In this work, nonlinear vibration and frequency response analysis of a double-walled piezoelectric nanoresonator based on a cylindrical nanoshell is performed…”
Get full text

Investigation of steady plasma actuation effect on aerodynamic coefficients of oscillating airfoil at low Reynolds number by Mahboubidoust, Arash, Ramiar, Abas, Dardel, Morteza

“…In this work, numerical study of two dimensional laminar incompressible flow around an oscillating NACA0012 airfoil is proceeded using the open source code…”
Get full text

VIBRATION ANALYSIS OF A BEAM WITH EMBEDDED SHAPE MEMORY ALLOY WIRES by Barzegari, Mohammad Mehdi, Dardel, Morteza, Fathi, Alireza

“…In this study, analytical relations for evaluating the exact solution of natural fre- quency and mode shape of beams with embedded shape memory alloy （SMA）…”
Get full text

Parametric study of catenary mooring system on the dynamic response of the semi-submersible platform by Ghafari, Hamidreza, Dardel, Morteza

“…In this work, frequency and time responses analysis of the Amirkabir semi-submersible platform were obtained under the combination of wind and wave loads. The…”
Get full text

Steady state dynamics and robustness of a harmonically excited essentially nonlinear oscillator coupled with a two-DOF nonlinear energy sink by Taghipour, Javad, Dardel, Morteza

“…Steady state dynamical behavior of two degrees of freedom (DOF) system composed of a harmonically excited nonlinear oscillator coupled with a single DOF…”
Get full text

Simultaneous Investigation of Flexibility and Plasma Actuation Effects on the Aerodynamic Characteristics of an Oscillating Airfoil by Doust, Arash Mahboubi, Ramiar, Abas, Dardel, Morteza

“…In this work, a numerical study of two dimensional laminar incompressible flow around the flexible oscillating NACA0012 airfoil is performed using the open…”
Get full text

Vibration mitigation of a flexible bladed rotor dynamic system with passive dynamic absorbers by Tehrani, Ghasem Ghannad, Dardel, Morteza

“…•Here the application of tuned mass damper (TMD) and nonlinear energy sink (NES) absorbers on a flexible bladed rotor system is accounted.•Absorbers are placed…”
Get full text

Mitigation of nonlinear oscillations of a Jeffcott rotor System with an optimized damper and nonlinear energy sink by Tehrani, Ghasem Ghannad, Dardel, Morteza

“…Contact occurrence between disk and stator as result of undesirable vibrations produced by eccentricity of the disk is one of the most destructive and common…”
Get full text

Piezoelectric energy harvesting from walking motion of a passive biped robot model with flexible legs by Safartoobi, Masoumeh, Dardel, Morteza, Daniali, Hamidreza Mohammadi

“…Passive dynamic walking biped robots utilize the inherent dynamics of their structure to achieve walking motion without continuous actuation, enhancing energy…”
Get full text

Gait cycles of passive walking biped robot model with flexible legs by Safartoobi, Masoumeh, Dardel, Morteza, Daniali, Hamidreza Mohammadi

“…•A modified passive walking model with flexible legs is presented.•A pair of elastic beams with small deflections instead of usual rigid links are…”
Get full text

Near Time-Optimal Control of Redundant Manipulators along a Specified Path with Jerks Constraint by Ghasemi, Mohammad Hasan, Kashiri, Navvab, Dardel, Morteza

“…A time-optimal control scheme for a general type of closed-chain manipulator is proposed. The considered manipulator is composed of multiple serial…”
Get full text

Vibration mitigation of a nonlinear rotor system with linear and nonlinear vibration absorbers by Taghipour, Javad, Dardel, Morteza, Pashaei, Mohammad Hadi

“…•Vibration reduction of rotor with linear tuned mass dampers,nonlinear energy sinks, and combined energy sinks was studied.•Results showed, all three types of…”
Get full text

Thermo-aeroelastic analysis of triangular composite plate with embedded shape memory alloy at supersonic flow by Zabihi, Zabihulah, Dardel, Morteza, Fathi, Alireza

“…This work investigates the effectiveness of a shape-memory alloy (SMA) in controlling the instabilities of triangular composite plates under supersonic flow…”
Get full text

Geometric and structural optimization of fluid energy harvester with high efficiency and bandwidth by Asghari, Hossein, Dardel, Morteza

“…In this study, fluid energy harvesting by piezoelectric materials has been investigated. COMSOL Multiphysics software is used for numerical modeling. Fluid…”
Get full text

Nonlinear vibration analysis of a flexible rotor shaft with a longitudinally dispositioned unbalanced rigid disc by Taghipour, Javad, Dardel, Morteza, Pashaei, Mohammad Hadi

“…This study aims to investigate the nonlinear dynamics of a rotor system of a flexible rotor shaft carrying an unbalanced rigid disc. For this purpose, the…”
Get full text

The effect of bi-axial in-plane loads on nonlinear dynamics of micro-plates under harmonic excitation by Enayati, Seyed Ghasem, Dardel, Morteza

“…Based on the theories of the first-order shear deformation (FSDT) plate and the modified couple stress, a nonlinear micro-plate model is developed for steady…”
Get full text