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Journal Articles

Proper Orthogonal Decomposition-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses

Francesco D'Alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. January 2024, 146(1): 011013.
Paper No: GTP-23-1345
https://doi.org/10.1115/1.4063519
Published Online: October 26, 2023
View Article titled, Proper Orthogonal Decomposition-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses
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Topics: Approximation, Damping, Experimental design, Finite element model, Metamodeling, Rotors, Simulation, Stators, Design, Rotordynamics
Proceedings Papers

POD-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses

Francesco D’Alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu
Proc. ASME. GT2023, Volume 11B: Structures and Dynamics — Emerging Methods in Engineering Design, Analysis, and Additive Manufacturing; Fatigue, Fracture, and Life Prediction; Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V11BT26A002, June 26–30, 2023
Publisher: American Society of Mechanical Engineers
Paper No: GT2023-100656
https://doi.org/10.1115/GT2023-100656
View Paper titled, POD-Based Surrogate Modeling Approximation for Aeroengines Nonlinear Unbalance Responses
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Topics: Approximation, Metamodeling, Finite element model, Rotors, Calibration, Computer simulation, Damping, Design, Event history analysis, Experimental design
Journal Articles

Paradox of Optimal Learning: An Info-Gap Perspective

Yakov Ben-Haim, Scott Cogan
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. September 2023, 9(3): 031203.
Paper No: RISK-22-1069
https://doi.org/10.1115/1.4062511
Published Online: June 6, 2023
View Article titled, Paradox of Optimal Learning: An Info-Gap Perspective
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Topics: Robustness, Uncertainty, Design
Proceedings Papers

A Dedicated Model Reduction Method for Turbo-Machines Using a Critical Speed Subspace

Francesco D’Alessandro, Hugo Festjens, Gael Chevallier, Scott Cogan, Tariq Benamara, Caroline Sainvitu
Proc. ASME. GT2022, Volume 8B: Structures and Dynamics — Probabilistic Methods; Rotordynamics; Structural Mechanics and Vibration, V08BT26A002, June 13–17, 2022
Publisher: American Society of Mechanical Engineers
Paper No: GT2022-79691
https://doi.org/10.1115/GT2022-79691
View Paper titled, A Dedicated Model Reduction Method for Turbo-Machines Using a Critical Speed Subspace
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Topics: Turbomachinery, Finite element model, Degrees of freedom, Engineering simulation, Machinery, Modeling, Shapes, Simulation
Proceedings Papers

New Approaches for Identifying Structural Models

Scott Cogan, Gérard Lallement, Laetitia Sanseigne
Proc. ASME. DETC95, Volume 3C: 15th Biennial Conference on Mechanical Vibration and Noise — Vibration Control, Analysis, and Identification, 1157-1162, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0690
https://doi.org/10.1115/DETC1995-0690
View Paper titled, New Approaches for Identifying Structural Models
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Topics: Elastodynamics, Excitation, Finite element model
Journal Articles

Experimental Validation of an Info-Gap Uncertainty Model for a Robustness Analysis of Structural Responses

Antoine Kuczkowiak, Scott Cogan, Morvan Ouisse, Emmanuel Foltête, Mathieu Corus
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. September 2020, 6(3): 030905.
Paper No: RISK-19-1078
https://doi.org/10.1115/1.4047096
Published Online: May 20, 2020
View Article titled, Experimental Validation of an Info-Gap Uncertainty Model for a Robustness Analysis of Structural Responses
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Topics: Robustness, Uncertainty
Journal Articles

Special Section on Uncertainty Management in Complex Multiphysics Structural Dynamics

Sifeng Bi, Michael Beer, Morvan Ouisse, Scott Cogan
Journal: ASCE-ASME J Risk and Uncert in Engrg Sys Part B Mech Engrg
Publisher: ASME
Article Type: Guest Editorial
ASME J. Risk Uncertainty Part B. September 2020, 6(3): 030301.
Paper No: RISK-20-1045
https://doi.org/10.1115/1.4047097
Published Online: May 14, 2020
View Article titled, Special Section on Uncertainty Management in Complex Multiphysics Structural Dynamics
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Topics: Structural dynamics, Uncertainty, Modeling
Proceedings Papers

A Contribution to the Reduced-Order Analysis of Bladed Disks Using Combined Approximations for Quick Campbell Diagrams Assessment

Jean de Cazenove, Moustapha Mbaye, Jean-Philippe Ousty, Scott Cogan
Proc. ASME. GT2015, Volume 7B: Structures and Dynamics, V07BT32A030, June 15–19, 2015
Publisher: American Society of Mechanical Engineers
Paper No: GT2015-43701
https://doi.org/10.1115/GT2015-43701
View Paper titled, A Contribution to the Reduced-Order Analysis of Bladed Disks Using Combined Approximations for Quick Campbell Diagrams Assessment
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Topics: Approximation, Disks, Computation, Modeling, Polynomials, Stiffness
Proceedings Papers

Finite-Element Modelling of an Experimental Mistuned Bladed Disk and Experimental Validation

Jean de Cazenove, Scott Cogan, Moustapha Mbaye
Proc. ASME. GT2013, Volume 7B: Structures and Dynamics, V07BT31A016, June 3–7, 2013
Publisher: American Society of Mechanical Engineers
Paper No: GT2013-95985
https://doi.org/10.1115/GT2013-95985
View Paper titled, Finite-Element Modelling of an Experimental Mistuned Bladed Disk and Experimental Validation
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Topics: Disks, Finite element analysis, Modeling, Blades, Finite element model, Computer simulation, Machining, Rotors, Vacuum, Wear