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A. A. Jafari
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Proceedings Papers

Non-Linear Vibrations and Asymmetry in Coupled Tandem Hot Rolling Mills

A. A. Jafari, A. K. Tieu, A. Basu
Proc. ASME. DETC93, 14th Biennial Conference on Mechanical Vibration and Noise: Vibration of Rotating Systems, 203-211, September 19–22, 1993
Paper No: DETC1993-0194
DOI: https://doi.org/10.1115/DETC1993-0194
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Topics: Hot rolling, Vibration, Computer simulation, Damping, Grinding, Intermediate steel products, Linear vibration, Simulation, Slabs, Stiffness
Proceedings Papers

Asymmetrical Rolling and Self Excited Vibrations in a Hot Roughing Mill

A. A. Jafari, A. K. Tieu, A. Basu
Proc. ASME. DETC93, 14th Biennial Conference on Mechanical Vibration and Noise: Vibration of Rotating Systems, 193-202, September 19–22, 1993
Paper No: DETC1993-0193
DOI: https://doi.org/10.1115/DETC1993-0193
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Topics: Grinding, Vibration, Simulation, Damping, Intermediate steel products, Rolling mills, Stiffness
Journal Articles

Simulation and Experimentation of a Precise Nonlinear Tracking Control Algorithm for a Rotary Servo-Hydraulic System With Minimum Sensors

M. H. Toufighi, S. H. Sadati, F. Najafi, A. A. Jafari
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Research-Article
J. Dyn. Sys., Meas., Control. November 2013, 135(6): 061004.
Paper No: DS-11-1161
DOI: https://doi.org/10.1115/1.4024799
Published Online: August 23, 2013
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Topics: Algorithms, Control equipment, Design, Hydraulic drive systems, Servomechanisms, Simulation, Statistical process control, Tracking control, Valves, Sensors
Journal Articles

A Novel and Accurate Ritz Formulation for Free Vibration of Rectangular and Skew Plates

S. A. Eftekhari, A. A. Jafari
Journal: Journal of Applied Mechanics
Article Type: Technical Briefs
J. Appl. Mech. November 2012, 79(6): 064504.
DOI: https://doi.org/10.1115/1.4006804
Published Online: September 17, 2012
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Topics: Boundary-value problems, Free vibrations, Plates (structures), Corners (Structural elements)
Journal Articles

Coupling Ritz Method and Triangular Quadrature Rule for Moving Mass Problem

S. A. Eftekhari, A. A. Jafari
Journal: Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. March 2012, 79(2): 021018.
DOI: https://doi.org/10.1115/1.4005577
Published Online: February 24, 2012
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Topics: Algorithms, Pavement live loads, Stress, Vibration, Damping, Errors, Stability, Inertia (Mechanics), Algebra, Approximation
Journal Articles

A New Mixed Finite Element–Differential Quadrature Formulation for Forced Vibration of Beams Carrying Moving Loads

A. A. Jafari, S. A. Eftekhari
Journal: Journal of Applied Mechanics
Article Type: Research Papers
J. Appl. Mech. January 2011, 78(1): 011020.
DOI: https://doi.org/10.1115/1.4002037
Published Online: October 26, 2010
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Topics: Algebra, Finite element analysis, Pavement live loads, Stability, Vibration, Simply supported beams, Finite element methods, Iterative methods, Algorithms
Journal Articles

An Adjustable Model Reference Adaptive Control for a Flexible Launch Vehicle

A. M. Khoshnood, J. Roshanian, A. A. Jafari, A. Khaki-Sedigh
Journal: Journal of Dynamic Systems, Measurement, and Control
Article Type: Research Papers
J. Dyn. Sys., Meas., Control. July 2010, 132(4): 041010.
DOI: https://doi.org/10.1115/1.4001709
Published Online: June 18, 2010
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Topics: Adaptive control, Algorithms, Control systems, Design, Filters, Stability, Vehicles, Vibration, Yaw, Flight