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M. T. Rahmati
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Journal Articles

Turbulent Flows Inside Pipes Equipped With Novel Perforated V-Shaped Rectangular Winglet Turbulators: Numerical Simulations

M. Erfanian Nakhchi, M. T. Rahmati
Journal: Journal of Energy Resources Technology
Article Type: Research Papers
J. Energy Resour. Technol. November 2020, 142(11): 112106.
Paper No: JERT-20-1244
DOI: https://doi.org/10.1115/1.4047319
Published Online: June 12, 2020
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Topics: Generators, Heat exchangers, Heat transfer, Pipes, Turbulence, Vortices, Flow (Dynamics), Computational fluid dynamics, Thermal efficiency, Computer simulation
Proceedings Papers

Decision Support Tools for Selection of External Protective Coating for Pipelines

S. Yasseri, H. Bahai, M. T. Rahmati
Proc. ASME. OMAE2017, Volume 5B: Pipelines, Risers, and Subsea Systems, V05BT04A032, June 25–30, 2017
Paper No: OMAE2017-62610
DOI: https://doi.org/10.1115/OMAE2017-62610
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Topics: Coating processes, Coatings, Corrosion, Durability, Health risk assessment, Maintenance, Pipelines, Protective coatings, Surveillance
Proceedings Papers

Periodic and Fixed Boundary Conditions for Multi-Scale Finite Element Analysis of Flexible Risers

M. T. Rahmati, G. Alfano, H. Bahai
Proc. ASME. OMAE2016, Volume 5: Pipelines, Risers, and Subsea Systems, V005T04A006, June 19–24, 2016
Paper No: OMAE2016-54360
DOI: https://doi.org/10.1115/OMAE2016-54360
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Topics: Boundary-value problems, Finite element analysis, Flexible risers, Finite element model, Pipeline risers, Pipes, Risers (Casting)
Proceedings Papers

Frequency and Time Domain Methods for Forced Vibration Analysis of an Oscillating Cascade

M. T. Rahmati
Proc. ASME. OMAE2016, Volume 2: CFD and VIV, V002T08A015, June 19–24, 2016
Paper No: OMAE2016-55054
DOI: https://doi.org/10.1115/OMAE2016-55054
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Topics: Cascades (Fluid dynamics), Vibration analysis, Unsteady flow, Flow (Dynamics), Casting, Elasticity, Modeling
Journal Articles

The Blade Profile Orientations Effects on the Aeromechanics of Multirow Turbomachines

M. T. Rahmati, L. He, Y. S. Li
Journal: Journal of Engineering for Gas Turbines and Power
Article Type: Research-Article
J. Eng. Gas Turbines Power. June 2016, 138(6): 062606.
Paper No: GTP-15-1128
DOI: https://doi.org/10.1115/1.4030569
Published Online: November 25, 2015
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Topics: Blades, Flow (Dynamics), Pressure, Reflection, Rotors, Stators, Turbines, Turbomachinery, Compressors, Vibration
Proceedings Papers

Experimental and Numerical Study of the Bending Behavior of a Flexible Riser Model

M. T. Rahmati, S. Norouzi, H. Bahai, G. Alfano
Proc. ASME. OMAE2015, Volume 5A: Pipeline and Riser Technology, V05AT04A049, May 31–June 5, 2015
Paper No: OMAE2015-41816
DOI: https://doi.org/10.1115/OMAE2015-41816
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Topics: Flexible risers, Pipes, Tendons, Armor, Finite element analysis, Manufacturing, Ocean engineering, Pipeline risers, Risers (Casting), Steel
Proceedings Papers

Small-Scale FE Modelling for the Analysis of Flexible Risers

M. T. Rahmati, G. Alfano, H. Bahai
Proc. ASME. OMAE2015, Volume 5A: Pipeline and Riser Technology, V05AT04A051, May 31–June 5, 2015
Paper No: OMAE2015-41825
DOI: https://doi.org/10.1115/OMAE2015-41825
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Topics: Flexible risers, Modeling, Pipes, Boundary-value problems, Armor, Constitutive equations, Dynamics (Mechanics), Finite element analysis, Finite element model, Fluid structure interaction
Journal Articles

Nonlinear Time and Frequency Domain Methods for Multirow Aeromechanical Analysis

M. T. Rahmati, L. He, D. X. Wang, Y. S. Li, R. G. Wells, S. K. Krishnababu
Journal: Journal of Turbomachinery
Article Type: Research-Article
J. Turbomach. April 2014, 136(4): 041010.
Paper No: TURBO-13-1091
DOI: https://doi.org/10.1115/1.4024899
Published Online: September 26, 2013
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Topics: Blades, Cascades (Fluid dynamics), Compressors, Flow (Dynamics), Pressure, Rotors, Stators, Unsteady flow, Vibration, Turbines
Proceedings Papers

Non-Linear Time and Frequency Domain Methods for Multi-Row Aeromechanical Analysis

M. T. Rahmati, L. He, D. X. Wang, Y. S. Li, R. G. Wells, S. K. Krishnababu
Proc. ASME. GT2012, Volume 7: Structures and Dynamics, Parts A and B, 1473-1485, June 11–15, 2012
Paper No: GT2012-68723
DOI: https://doi.org/10.1115/GT2012-68723
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Topics: Blades, Boundary-value problems, Damping, Numerical analysis, Pressure, Reflection, Rotors, Waves
Proceedings Papers

Interface Treatment for Harmonic Solution in Multi-Row Aeromechanic Analysis

M. T. Rahmati, L. He, R. G. Wells
Proc. ASME. GT2010, Volume 6: Structures and Dynamics, Parts A and B, 1253-1261, June 14–18, 2010
Paper No: GT2010-23376
DOI: https://doi.org/10.1115/GT2010-23376
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Topics: Blades, Damping, Flow (Dynamics), Fourier transforms, Rotors, Stators, Time series
Proceedings Papers

Investigating a Power-Obsorber Wave Energy Converter

M. T. Rahmati, A. P. McCabe, G. A. Aggidis, R. V. Chaplin
Proc. ASME. POWER2008, ASME 2008 Power Conference, 699-705, July 22–24, 2008
Paper No: POWER2008-60119
DOI: https://doi.org/10.1115/POWER2008-60119
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Topics: Wave energy converters, Waves, Climate, Oceans, Seabed, Spectra (Spectroscopy), Wave forces