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Proceedings Papers

Delaying the Chaotic Onset in the Flow-Field of Flapping Foil With Flexible Aft Tail

Chhote Lal Shah, Dipanjan Majumdar, Sunetra Sarkar
Proc. ASME. IMECE2020, Volume 7A: Dynamics, Vibration, and Control, V07AT07A027, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23868
https://doi.org/10.1115/IMECE2020-23868
View Paper titled, Delaying the Chaotic Onset in the Flow-Field of Flapping Foil With Flexible Aft Tail
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Topics: Flow (Dynamics), Bifurcation, Dynamics (Mechanics), Fluid structure interaction, Navier-Stokes equations, Oscillations, Spectra (Spectroscopy), Time series, Wakes
Proceedings Papers

Nonlinear Fluid-Elastic Behavior of a Flapping Wing With Low-Order Chord-Wise Flexibility

Dipanjan Majumdar, Chandan Bose, Sunetra Sarkar
Proc. ASME. IMECE2020, Volume 7A: Dynamics, Vibration, and Control, V07AT07A028, November 16–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2020-23890
https://doi.org/10.1115/IMECE2020-23890
View Paper titled, Nonlinear Fluid-Elastic Behavior of a Flapping Wing With Low-Order Chord-Wise Flexibility
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Topics: Chords (Trusses), Fluid structure interaction, Fluids, Wings
Journal Articles

Propagation of Parametric Uncertainties in a Nonlinear Aeroelastic System Using an Improved Adaptive Sparse Grid Quadrature Routine

Harshini Devathi, Sunetra Sarkar
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. December 2018, 4(4): 041009.
Paper No: RISK-17-1095
https://doi.org/10.1115/1.4039471
Published Online: April 30, 2018
View Article titled, Propagation of Parametric Uncertainties in a Nonlinear Aeroelastic System Using an Improved Adaptive Sparse Grid Quadrature Routine
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Topics: Uncertainty, Uncertainty quantification, Flutter (Aerodynamics)
Proceedings Papers

Response Analysis of a Circular Cylinder Undergoing Vortex Induced Vibrations Along Two Degrees of Freedom in the Presence of Noise

M. S. Aswathy, Sunetra Sarkar
Proc. ASME. IMECE2017, Volume 4B: Dynamics, Vibration, and Control, V04BT05A007, November 3–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2017-71168
https://doi.org/10.1115/IMECE2017-71168
View Paper titled, Response Analysis of a Circular Cylinder Undergoing Vortex Induced Vibrations Along Two Degrees of Freedom in the Presence of Noise
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Topics: Circular cylinders, Degrees of freedom, Noise (Sound), Vortex-induced vibration, Flow (Dynamics), Modeling, Oscillations, Fluctuations (Physics), Bifurcation, Chaos
Journal Articles

Transient and Stable Chaos in Dipteran Flight Inspired Flapping Motion

Chandan Bose, Vikas Reddy, Sayan Gupta, Sunetra Sarkar
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. February 2018, 13(2): 021014.
Paper No: CND-17-1359
https://doi.org/10.1115/1.4038447
Published Online: December 14, 2017
View Article titled, Transient and Stable Chaos in Dipteran Flight Inspired Flapping Motion
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Topics: Attractors, Bifurcation, Chaos, Dynamics (Mechanics), Flight, Flow (Dynamics), Fluid structure interaction, Transients (Dynamics), Motors, Wings
Journal Articles

Stochastic Bifurcations of a Nonlinear Acousto-Elastic System

W. Dheelibun Remigius, Sunetra Sarkar
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Research-Article
ASME J. Risk Uncertainty Part B. March 2018, 4(1): 011007.
Paper No: RISK-17-1035
https://doi.org/10.1115/1.4037460
Published Online: September 7, 2017
View Article titled, Stochastic Bifurcations of a Nonlinear Acousto-Elastic System
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Topics: Acoustics, Bifurcation, Chaos, Damping, Disks, Fluids, Flutter (Aerodynamics), Rotation, Polynomials, Oscillations
Journal Articles

Acousto-Elastic Interactions in High-Pressure CO 2 Centrifugal Compressors

Jithin Jith, Sunetra Sarkar
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. December 2017, 139(6): 061013.
Paper No: VIB-17-1105
https://doi.org/10.1115/1.4036931
Published Online: August 2, 2017
View Article titled, Acousto-Elastic Interactions in High-Pressure CO 2 Centrifugal Compressors
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Topics: Carbon dioxide, Cavities, Compressors, Fluids, Geometry, Impellers, Pressure, Equations of state, Acoustics, Density
Proceedings Papers

Bifurcations and Uncertainty Quantifications in Nonlinear Acousto-Elastic Systems

W. Dheelibun Remigius, Sunetra Sarkar
Proc. ASME. IMECE2016, Volume 13: Acoustics, Vibration, and Wave Propagation, V013T01A003, November 11–17, 2016
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2016-66367
https://doi.org/10.1115/IMECE2016-66367
View Paper titled, Bifurcations and Uncertainty Quantifications in Nonlinear Acousto-Elastic Systems
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Topics: Bifurcation, Uncertainty quantification, Acoustics, Chaos, Fluids, Rotation, Damping, Flutter (Aerodynamics), Oscillations, Polynomials
Proceedings Papers

Model Order Reduction of Visco-Thermal Acousto-Elastic Interaction in High-Pressure Centrifugal Compressors

Jithin Jith, Sunetra Sarkar
Proc. ASME. GTINDIA2015, ASME 2015 Gas Turbine India Conference, V001T01A020, December 2–3, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GTINDIA2015-1345
https://doi.org/10.1115/GTINDIA2015-1345
View Paper titled, Model Order Reduction of Visco-Thermal Acousto-Elastic Interaction in High-Pressure Centrifugal Compressors
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Topics: Compressors, High pressure (Physics), Damping, Impellers, Supercritical carbon dioxide, Acoustics, Boundary layers, Carbon capture and storage, Energy dissipation, Finite element analysis
Proceedings Papers

Analysis of Aeroelastic System Under Random Gust With Parametric Uncertainties Using Polynomial Chaos Expansion

S. Venkatesh, Sunetra Sarkar, Ajit Desai
Proc. ASME. IMECE2012, Volume 4: Dynamics, Control and Uncertainty, Parts A and B, 21-29, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-87362
https://doi.org/10.1115/IMECE2012-87362
View Paper titled, Analysis of Aeroelastic System Under Random Gust With Parametric Uncertainties Using Polynomial Chaos Expansion
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Topics: Chaos, Polynomials, Uncertainty, Airfoils, Flutter (Aerodynamics), Flow (Dynamics), Oscillations, Wakes, Design, Limit cycles
Journal Articles

Uncertainty Quantification of a Nonlinear Aeroelastic System Using Polynomial Chaos Expansion With Constant Phase Interpolation

Ajit Desai, Jeroen A. S. Witteveen, Sunetra Sarkar
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research-Article
J. Vib. Acoust. October 2013, 135(5): 051034.
Paper No: VIB-11-1048
https://doi.org/10.1115/1.4024794
Published Online: July 9, 2013
View Article titled, Uncertainty Quantification of a Nonlinear Aeroelastic System Using Polynomial Chaos Expansion With Constant Phase Interpolation
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Topics: Bifurcation, Chaos, Interpolation, Polynomials, Uncertainty quantification, Uncertainty, Algorithms, Damping
Proceedings Papers

Uncertainty Quantification and Bifurcation Behavior of an Aeroelastic System

Ajit Desai, Sunetra Sarkar
Proc. ASME. FEDSM2010, ASME 2010 7th International Symposium on Fluid-Structure Interactions, Flow-Sound Interactions, and Flow-Induced Vibration and Noise: Volume 3, Parts A and B, 1177-1187, August 1–5, 2010
Publisher: American Society of Mechanical Engineers
Paper No: FEDSM-ICNMM2010-30050
https://doi.org/10.1115/FEDSM-ICNMM2010-30050
View Paper titled, Uncertainty Quantification and Bifurcation Behavior of an Aeroelastic System
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Topics: Bifurcation, Uncertainty quantification, Chaos, Polynomials, Uncertainty, Blades, Density, Design, Flutter (Aerodynamics), Military aircraft
Proceedings Papers

Stall Induced Vibration and Flutter in a Symmetric Airfoil

Sunetra Sarkar, Hester Bijl
Proc. ASME. PVP2006-ICPVT-11, Volume 9: 6th FSI, AE and FIV and N Symposium, 359-369, July 23–27, 2006
Publisher: American Society of Mechanical Engineers
Paper No: PVP2006-ICPVT-11-93806
https://doi.org/10.1115/PVP2006-ICPVT-11-93806
View Paper titled, Stall Induced Vibration and Flutter in a Symmetric Airfoil
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Topics: Airfoils, Flutter (Aerodynamics), Vibration, Stability, Bifurcation, Oscillations, Dynamics (Mechanics), Rotors, Wind turbines
Journal Articles

Dynamics of Flexible Structures With Nonlinear Joints

Sunetra Sarkar, Graduate Student, Kartik Venkatraman, Assistant Professor, B. Dattaguru, Professor
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. January 2004, 126(1): 92–100.
https://doi.org/10.1115/1.1596548
Published Online: February 26, 2004
View Article titled, Dynamics of Flexible Structures With Nonlinear Joints
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Topics: Algorithms, Bifurcation, Degrees of freedom, Dynamics (Mechanics), Excitation, Flexible structures, Nonlinear dynamical systems, Stability