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Abdolreza Ohadi
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Journal Articles

Analytical Solution of Biot's Equations Based on Potential Functions Method

Abolfazl Hasani Baferani, Abdolreza Ohadi
Journal: Journal of Vibration and Acoustics
Article Type: Research-Article
J. Vib. Acoust. October 2015, 137(5): 051016.
Paper No: VIB-14-1215
DOI: https://doi.org/10.1115/1.4030715
Published Online: July 10, 2015
View Article titled, Analytical Solution of Biot's Equations Based on Potential Functions Method
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Topics: Acoustical properties, Acoustics, Boundary-value problems, Damping, Differential equations, Fluids, Foams (Chemistry), Noise control, Partial differential equations, Porous materials
Proceedings Papers

Accurate Designing of Flat-Walled Multi-Layered Lining System Using Genetic Algorithm for Application in Anechoic Chambers

Vahid Dabbagh, Reza Keshavarz, Abdolreza Ohadi
Proc. ASME. NCAD2012, ASME 2012 Noise Control and Acoustics Division Conference, 227-235, August 19–22, 2012
Paper No: NCAD2012-0609
DOI: https://doi.org/10.1115/NCAD2012-0609
View Paper titled, Accurate Designing of Flat-Walled Multi-Layered Lining System Using Genetic Algorithm for Application in Anechoic Chambers
Click here to open pdf in another window PDF for Accurate Designing of Flat-Walled Multi-Layered Lining System Using Genetic Algorithm for Application in Anechoic Chambers
Topics: Anechoic chambers, Design, Genetic algorithms, Linings (Textiles), Acoustics, Optimization, Urethane foam, Wedges, Computer software, Foams (Chemistry)
Proceedings Papers

Sliding Mode Control of Flexible Rotor Using Magneto Rheological Squeeze Film Damper

Masoud Hemmatian, Abdolreza Ohadi
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 739-745, August 12–15, 2012
Paper No: DETC2012-71259
DOI: https://doi.org/10.1115/DETC2012-71259
View Paper titled, Sliding Mode Control of Flexible Rotor Using Magneto Rheological Squeeze Film Damper
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Topics: Dampers, Rheology, Rotors, Sliding mode control, Control equipment, Fluids, Uncertainty, Vibration, Algebra, Fluid-dynamic forces
Proceedings Papers

Fault Detection in Gearbox With Non-Stationary Rotational Speed Using CWT Feature Extraction, PCA Reduction and ANN Classifier Methods

Hojat Heidari, Abdolreza Ohadi
Proc. ASME. IDETC-CIE2012, Volume 1: 24th Conference on Mechanical Vibration and Noise, Parts A and B, 193-199, August 12–15, 2012
Paper No: DETC2012-71271
DOI: https://doi.org/10.1115/DETC2012-71271
View Paper titled, Fault Detection in Gearbox With Non-Stationary Rotational Speed Using CWT Feature Extraction, PCA Reduction and ANN Classifier Methods
Click here to open pdf in another window PDF for Fault Detection in Gearbox With Non-Stationary Rotational Speed Using CWT Feature Extraction, PCA Reduction and ANN Classifier Methods
Topics: Artificial neural networks, Feature extraction, Flaw detection, Mechanical drives, Signals, Vibration, Fault diagnosis, Gears, Wavelets, Acoustics research
Proceedings Papers

An Extended Higher-Order Free Vibration Analysis of Composite Sandwich Beam With Viscoelastic Core

Soroush Sadeghnejad, Mojtaba Sadighi, Abdolreza Ohadi Hamedani
Proc. ASME. ESDA2012, Volume 3: Advanced Composite Materials and Processing; Robotics; Information Management and PLM; Design Engineering, 75-82, July 2–4, 2012
Paper No: ESDA2012-82686
DOI: https://doi.org/10.1115/ESDA2012-82686
View Paper titled, An Extended Higher-Order Free Vibration Analysis of Composite Sandwich Beam With Viscoelastic Core
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Topics: Composite materials, Free vibrations
Journal Articles

Sliding Mode Control of Flexible Rotor Based on Estimated Model of Magnetorheological Squeeze Film Damper

Masoud Hemmatian, Abdolreza Ohadi
Journal: Journal of Vibration and Acoustics
Article Type: Research-Article
J. Vib. Acoust. October 2013, 135(5): 051023.
Paper No: VIB-12-1180
DOI: https://doi.org/10.1115/1.4024609
Published Online: June 18, 2013
View Article titled, Sliding Mode Control of Flexible Rotor Based on Estimated Model of Magnetorheological Squeeze Film Damper
Click here to open pdf in another window PDF for Sliding Mode Control of Flexible Rotor Based on Estimated Model of Magnetorheological Squeeze Film Damper
Topics: Control equipment, Dampers, Rotors, Sliding mode control, Uncertainty, Fluids, Vibration, Pressure
Journal Articles

Vibration Behavior of Flexible Rotor System Mounted on MR Squeeze Film Damper With Thermal Growth Effect

Hamed Ghaednia, Abdolreza Ohadi
Journal: Journal of Vibration and Acoustics
Article Type: Research Papers
J. Vib. Acoust. February 2012, 134(1): 011015.
DOI: https://doi.org/10.1115/1.4004682
Published Online: December 30, 2011
View Article titled, Vibration Behavior of Flexible Rotor System Mounted on MR Squeeze Film Damper With Thermal Growth Effect
Click here to open pdf in another window PDF for Vibration Behavior of Flexible Rotor System Mounted on MR Squeeze Film Damper With Thermal Growth Effect
Topics: Dampers, Electric current, Fluids, Rotors, Temperature, Vibration, Steady state, Frequency-domain analysis, Time-domain analysis
Proceedings Papers

3-D Free Vibration Analysis of Functionally Graded Thick Circular and Annular Plates on Elastic Foundation

Vahid Tajeddini, Abdolreza Ohadi, Mojtaba Sadighi
Proc. ASME. ESDA2010, ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 2, 107-115, July 12–14, 2010
Paper No: ESDA2010-24340
DOI: https://doi.org/10.1115/ESDA2010-24340
View Paper titled, 3-D Free Vibration Analysis of Functionally Graded Thick Circular and Annular Plates on Elastic Foundation
Click here to open pdf in another window PDF for 3-D Free Vibration Analysis of Functionally Graded Thick Circular and Annular Plates on Elastic Foundation
Topics: Free vibrations, Plates (structures), Boundary-value problems, Eigenvalues, Elasticity, Kinematics, Materials properties, Polynomials, Potential energy
Proceedings Papers

Study on Sound Absorption and Transmission Loss of Transversely Isotropic Multi Layers Porous Material

Reza Keshavarz, Abdolreza Ohadi
Proc. ASME. ESDA2010, ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 4, 533-538, July 12–14, 2010
Paper No: ESDA2010-25078
DOI: https://doi.org/10.1115/ESDA2010-25078
View Paper titled, Study on Sound Absorption and Transmission Loss of Transversely Isotropic Multi Layers Porous Material
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Topics: Porous materials, Sound absorption, Absorption, Acoustical properties, Acoustics, Displacement, Wave propagation
Proceedings Papers

Effect of Thermal Growth on Vibration Behavior of Flexible Rotor System Mounted on MR Squeeze Film Damper

Hamed Ghaednia, Abdolreza Ohadi
Proc. ASME. ESDA2010, ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 1, 567-576, July 12–14, 2010
Paper No: ESDA2010-24864
DOI: https://doi.org/10.1115/ESDA2010-24864
View Paper titled, Effect of Thermal Growth on Vibration Behavior of Flexible Rotor System Mounted on MR Squeeze Film Damper
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Topics: Dampers, Rotors, Vibration, Electric current, Steady state, Finite element model, Fluids, Frequency-domain analysis, Rotation, Temperature
Proceedings Papers

The Effect of Foot Mass on Bifurcation and Chaotic Behavior of a Simple Passive Walking Biped Model

Siavash Tayefi, Abdolreza Ohadi
Proc. ASME. ESDA2010, ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 3, 633-638, July 12–14, 2010
Paper No: ESDA2010-24488
DOI: https://doi.org/10.1115/ESDA2010-24488
View Paper titled, The Effect of Foot Mass on Bifurcation and Chaotic Behavior of a Simple Passive Walking Biped Model
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Topics: Bifurcation, Robots, Dimensions, Fractals
Proceedings Papers

Global Active Control of Transmitted Sound Into Acoustic Cavity With Speakers and Piezoelectric Patch Actuators

Masih Hanifzadegan, Abdolreza Ohadi
Proc. ASME. IMECE2009, Volume 10: Mechanical Systems and Control, Parts A and B, 347-357, November 13–19, 2009
Paper No: IMECE2009-11169
DOI: https://doi.org/10.1115/IMECE2009-11169
View Paper titled, Global Active Control of Transmitted Sound Into Acoustic Cavity With Speakers and Piezoelectric Patch Actuators
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Topics: Acoustics, Actuators, Cavities, Modeling, Mode shapes, Noise (Sound), Pistons, Potential energy, Waves
Proceedings Papers

Vibrations of Partially Fluid-Filled Functionally Graded Cylindrical Shells

Mahdi Saeidifar, Abdolreza Ohadi
Proc. ASME. IMECE2009, Volume 15: Sound, Vibration and Design, 377-387, November 13–19, 2009
Paper No: IMECE2009-11108
DOI: https://doi.org/10.1115/IMECE2009-11108
View Paper titled, Vibrations of Partially Fluid-Filled Functionally Graded Cylindrical Shells
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Topics: Fluids, Functionally graded materials, Pipes, Vibration