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Chris K. Mechefske
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Proceedings Papers

Computational Modal Analysis of an Aircraft Hydraulic Pump Support Structure

Simon T. Kersten, Chris K. Mechefske
Proc. ASME. IDETC-CIE2023, Volume 12: 35th Conference on Mechanical Vibration and Sound (VIB), V012T12A014, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-114951
https://doi.org/10.1115/DETC2023-114951
View Paper titled, Computational Modal Analysis of an Aircraft Hydraulic Pump Support Structure
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Topics: Aircraft, Finite element analysis, Frequency response, Hydraulic pumps, Modal analysis
Proceedings Papers

Frequency Response Based Optimization of an Aircraft Hydraulic Pump Support Structure

Simon T. Kersten, Chris K. Mechefske
Proc. ASME. IDETC-CIE2023, Volume 12: 35th Conference on Mechanical Vibration and Sound (VIB), V012T12A015, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-114957
https://doi.org/10.1115/DETC2023-114957
View Paper titled, Frequency Response Based Optimization of an Aircraft Hydraulic Pump Support Structure
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Topics: Aircraft, Frequency response, Hydraulic pumps, Optimization
Proceedings Papers

Experimental Modal Analysis of Half-Scale Business Jet Aft Fuselage Section

John M. Sekijoba, Chris K. Mechefske
Proc. ASME. IDETC-CIE2023, Volume 12: 35th Conference on Mechanical Vibration and Sound (VIB), V012T12A016, August 20–23, 2023
Publisher: American Society of Mechanical Engineers
Paper No: DETC2023-116820
https://doi.org/10.1115/DETC2023-116820
View Paper titled, Experimental Modal Analysis of Half-Scale Business Jet Aft Fuselage Section
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Topics: Modal analysis, Engines, Aircraft, Noise (Sound), Vibration, Excitation, Finite element model, Testing, Breakwaters, Construction
Proceedings Papers

Natural Frequency Based Topology Optimization of an Aircraft Engine Support Frame

Braden T. Warwick, Chris K. Mechefske, Il Yong Kim
Proc. ASME. IDETC-CIE2020, Volume 7: 32nd Conference on Mechanical Vibration and Noise (VIB), V007T07A012, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22286
https://doi.org/10.1115/DETC2020-22286
View Paper titled, Natural Frequency Based Topology Optimization of an Aircraft Engine Support Frame
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Topics: Aircraft engines, Optimization, Topology, Design, Engines, Excitation, Geometry, Aerospace industry, Safety, Stiffness
Proceedings Papers

Experimental Modal Analysis of Business Jet Fuselage Tail Section Sub-Assemblies

Ian A. Donaldson, Chris K. Mechefske
Proc. ASME. IDETC-CIE2020, Volume 7: 32nd Conference on Mechanical Vibration and Noise (VIB), V007T07A013, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22314
https://doi.org/10.1115/DETC2020-22314
View Paper titled, Experimental Modal Analysis of Business Jet Fuselage Tail Section Sub-Assemblies
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Topics: Modal analysis, Computer simulation, Testing, Aircraft, Construction, Data acquisition, Dynamic response, Excitation, Mode shapes
Proceedings Papers

Computational Modal Analysis of Half Scale Generic Business Jet Substructures

Chris B. Lam, Chris K. Mechefske
Proc. ASME. IDETC-CIE2020, Volume 7: 32nd Conference on Mechanical Vibration and Noise (VIB), V007T07A014, August 17–19, 2020
Publisher: American Society of Mechanical Engineers
Paper No: DETC2020-22317
https://doi.org/10.1115/DETC2020-22317
View Paper titled, Computational Modal Analysis of Half Scale Generic Business Jet Substructures
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Topics: Aerospace industry, Aircraft, Computer simulation, Finite element model, Modal analysis, Mode shapes, Plates (structures), Skin, Stiffness, Stress
Journal Articles

Effect of Bulkhead Pressurization on the Vibro-Acoustic Properties of an Aft-Fuselage-Mounted Twin-Engine Aircraft

Braden T. Warwick, Chris K. Mechefske, Il Yong Kim
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. February 2020, 142(1): 011001.
Paper No: VIB-19-1093
https://doi.org/10.1115/1.4044864
Published Online: October 16, 2019
View Article titled, Effect of Bulkhead Pressurization on the Vibro-Acoustic Properties of an Aft-Fuselage-Mounted Twin-Engine Aircraft
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Topics: Acoustics, Aircraft, Breakwaters, Engines, Modal analysis, Noise (Sound), Frequency response
Journal Articles

Train Internal Noise Due to Wheel-Rail Interaction

Wenjun Luo, Junnan Jiang, Wennian Yu, Chris K. Mechefske
Journal: Journal of Testing and Evaluation
Publisher: ASTM International
Article Type: Technical Papers
J. Test. Eval.. May 2019, 47(3): 2313–2335.
Paper No: JTE20170635
https://doi.org/10.1520/JTE20170635
Published Online: May 1, 2019
View Article titled, Train Internal Noise Due to Wheel-Rail Interaction
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Journal Articles

Multi-Objective Model Updating Optimization Considering Orthogonality

Braden T. Warwick, Il Yong Kim, Chris K. Mechefske
Journal: Journal of Computational and Nonlinear Dynamics
Publisher: ASME
Article Type: Research-Article
J. Comput. Nonlinear Dynam. June 2019, 14(6): 061009.
Paper No: CND-18-1525
https://doi.org/10.1115/1.4043086
Published Online: April 8, 2019
View Article titled, Multi-Objective Model Updating Optimization Considering Orthogonality
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Topics: Degrees of freedom, Errors, Mode shapes, Optimization, Pareto optimization, Algorithms, Modal assurance criterion, Finite element model, Stiffness, Design
Proceedings Papers

Effect of Stiffener Configuration on Bulkhead Modal Parameters

Braden T. Warwick, Chris K. Mechefske, Il Yong Kim
Proc. ASME. IDETC-CIE2018, Volume 8: 30th Conference on Mechanical Vibration and Noise, V008T10A007, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85385
https://doi.org/10.1115/DETC2018-85385
View Paper titled, Effect of Stiffener Configuration on Bulkhead Modal Parameters
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Topics: Breakwaters, Optimization, Aircraft engines, Boundary-value problems, Density, Engines
Proceedings Papers

Experimental and Computational Methods for Investigating Automotive Door Closure Sounds

Giuseppe T. V. Garro, Chris K. Mechefske
Proc. ASME. IDETC-CIE2018, Volume 8: 30th Conference on Mechanical Vibration and Noise, V008T10A010, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85628
https://doi.org/10.1115/DETC2018-85628
View Paper titled, Experimental and Computational Methods for Investigating Automotive Door Closure Sounds
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Topics: Computational methods, Doors, Sound pressure, Acoustics, Computation, Condensers (steam plant), Experimental methods, Microphone arrays, Transients (Dynamics), Wavelet transforms
Proceedings Papers

Modal Analysis of Magnetic Resonance Imaging (MRI) Scanner Support Structure

Geneviève Rodrigue, Chris K. Mechefske
Proc. ASME. IDETC-CIE2018, Volume 8: 30th Conference on Mechanical Vibration and Noise, V008T10A011, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85651
https://doi.org/10.1115/DETC2018-85651
View Paper titled, Modal Analysis of Magnetic Resonance Imaging (MRI) Scanner Support Structure
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Topics: Magnetic resonance imaging, Modal analysis, Eigenvalues, Design, Excitation, Machinery, Mode shapes, Resonance, Vibration, Vibration isolation
Proceedings Papers

Cutting Tool Wear Estimation Using a Genetic Algorithm Based Long Short-Term Memory Neural Network

Wennian Yu, Chris K. Mechefske, Il Yong Kim
Proc. ASME. IDETC-CIE2018, Volume 8: 30th Conference on Mechanical Vibration and Noise, V008T10A037, August 26–29, 2018
Publisher: American Society of Mechanical Engineers
Paper No: DETC2018-85253
https://doi.org/10.1115/DETC2018-85253
View Paper titled, Cutting Tool Wear Estimation Using a Genetic Algorithm Based Long Short-Term Memory Neural Network
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Topics: Artificial neural networks, Cutting tools, Genetic algorithms, Wear, Errors, Condition monitoring, Milling, Optimization, Product quality, Time series
Journal Articles

Predictive Compressor Wash Optimization for Economic Operation of Gas Turbine

Houman Hanachi, Jie Liu, Ping Ding, Il Yong Kim, Chris K. Mechefske
Journal: Journal of Engineering for Gas Turbines and Power
Publisher: ASME
Article Type: Research-Article
J. Eng. Gas Turbines Power. December 2018, 140(12): 121006.
Paper No: GTP-18-1117
https://doi.org/10.1115/1.4041168
Published Online: October 8, 2018
View Article titled, Predictive Compressor Wash Optimization for Economic Operation of Gas Turbine
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Topics: Compressors, Fuel consumption, Gas turbines, Optimization
Proceedings Papers

Computational Modal Analysis of a Twin-Engine Rear Fuselage Mounted Aircraft Support Frame

Braden T. Warwick, Chris K. Mechefske, Il Yong Kim
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A007, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67365
https://doi.org/10.1115/DETC2017-67365
View Paper titled, Computational Modal Analysis of a Twin-Engine Rear Fuselage Mounted Aircraft Support Frame
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Topics: Aircraft, Engines, Modal analysis, Density, Aircraft engines, Blades
Proceedings Papers

Experimental Modal Analysis of a Half-Scale Model Twin-Engine Aircraft Rear Fuselage Engine Mount Support Frame

Diego A. Chamberlain, Chris K. Mechefske
Proc. ASME. IDETC-CIE2017, Volume 8: 29th Conference on Mechanical Vibration and Noise, V008T12A008, August 6–9, 2017
Publisher: American Society of Mechanical Engineers
Paper No: DETC2017-67389
https://doi.org/10.1115/DETC2017-67389
View Paper titled, Experimental Modal Analysis of a Half-Scale Model Twin-Engine Aircraft Rear Fuselage Engine Mount Support Frame
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Topics: Aircraft, Engines, Modal analysis, Testing, Mode shapes, Aerospace industry, Curve fitting, Frequency response, Hammers
Proceedings Papers

FEM-BEM Modeling and Experimental Verification of the Vibro-Acoustic Behaviour of a Section of Aircraft Fuselage

Viken N. Koukounian, Chris K. Mechefske
Proc. ASME. IDETC-CIE2016, Volume 8: 28th Conference on Mechanical Vibration and Noise, V008T10A005, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59163
https://doi.org/10.1115/DETC2016-59163
View Paper titled, FEM-BEM Modeling and Experimental Verification of the Vibro-Acoustic Behaviour of a Section of Aircraft Fuselage
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Topics: Acoustics, Aircraft, Boundary element methods, Finite element methods, Finite element model, Modeling, Data acquisition systems, Absorption, Aerodynamics, ASTM International
Proceedings Papers

A Comparison of Several SDOF Models of Gear Dynamics

Wennian Yu, Chris K. Mechefske, Markus Timusk
Proc. ASME. IDETC-CIE2016, Volume 8: 28th Conference on Mechanical Vibration and Noise, V008T10A023, August 21–24, 2016
Publisher: American Society of Mechanical Engineers
Paper No: DETC2016-59161
https://doi.org/10.1115/DETC2016-59161
View Paper titled, A Comparison of Several SDOF Models of Gear Dynamics
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Topics: Dynamics (Mechanics), Gears, Stiffness, Clearances (Engineering), Damping, Degrees of freedom, Design, Error functions, Errors, Friction
Journal Articles

Evaluating the Bending Response of Two Osseointegrated Transfemoral Implant Systems Using 3D Digital Image Correlation

Melanie L. Thompson, David Backman, Rickard Branemark, Chris K. Mechefske
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research Papers
J Biomech Eng. May 2011, 133(5): 051006.
https://doi.org/10.1115/1.4003871
Published Online: April 28, 2011
View Article titled, Evaluating the Bending Response of Two Osseointegrated Transfemoral Implant Systems Using 3D Digital Image Correlation
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Topics: Artificial limbs, Deformation, Failure, Manufacturing, Prostheses, Stress, Torque, Design, Data collection, Geometry
Proceedings Papers

Bearing Fault Diagnosis Based on Embedded Multiple Sensors

Yimin Shao, Liang Ge, Chris K. Mechefske, Jieping Fang
Proc. ASME. IDETC-CIE2009, Volume 1: 22nd Biennial Conference on Mechanical Vibration and Noise, Parts A and B, 111-115, August 30–September 2, 2009
Publisher: American Society of Mechanical Engineers
Paper No: DETC2009-86856
https://doi.org/10.1115/DETC2009-86856
View Paper titled, Bearing Fault Diagnosis Based on Embedded Multiple Sensors
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Topics: Bearings, Fault diagnosis, Sensors, Signals, Flaw detection, Temperature, Vibration