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Gary H. Koopmann
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Proceedings Papers

Development and Evaluation of a Surface Acoustic Intensity Probe

Patricia L. Driesch, Gary H. Koopmann
Proc. ASME. IMECE98, Noise Control and Acoustics, 445-451, November 15–20, 1998
Publisher: American Society of Mechanical Engineers
Paper No: IMECE1998-0540
https://doi.org/10.1115/IMECE1998-0540
View Paper titled, Development and Evaluation of a Surface Acoustic Intensity Probe
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Topics: Acoustic intensity, Probes, Microphones, Calibration, Design, Accelerometers, Cavities, Performance evaluation, Piezoelectric actuators
Proceedings Papers

Optimum Stiffener Design to Reduce Broadband Vibration and Sound Radiation

Dongjai Lee, Ashok D. Belegundu, Gary H. Koopmann
Proc. ASME. IMECE2001, Noise Control and Acoustics, 249-254, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/NCA-23527
https://doi.org/10.1115/IMECE2001/NCA-23527
View Paper titled, Optimum Stiffener Design to Reduce Broadband Vibration and Sound Radiation
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Topics: Design, Sound, Vibration, Acoustics, Finite element analysis, Optimization, Density, Design methodology, Kinetic energy, Structural dynamics
Proceedings Papers

Acoustic Control in a 2D Enclosure Using Two Optimally Designed Helmholtz Resonators

Patricia L. Driesch, Gary H. Koopmann
Proc. ASME. IMECE2001, Noise Control and Acoustics, 235-241, November 11–16, 2001
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2001/NCA-23525
https://doi.org/10.1115/IMECE2001/NCA-23525
View Paper titled, Acoustic Control in a 2D Enclosure Using Two Optimally Designed Helmholtz Resonators
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Topics: Acoustics, Design, Design methodology, Eigenvalues, Modeling, Noise (Sound), Optimization, Potential energy
Proceedings Papers

Design and Modeling of a Piezoelectric Actuator for Minimally Invasive Surgery

Ben Edinger, Mary Frecker, Gary H. Koopmann
Proc. ASME. IMECE2000, Adaptive Structures and Material Systems, 299-305, November 5–10, 2000
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2000-1718
https://doi.org/10.1115/IMECE2000-1718
View Paper titled, Design and Modeling of a Piezoelectric Actuator for Minimally Invasive Surgery
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Topics: Design, Modeling, Piezoelectric actuators, Surgery, Actuators, Engineering prototypes, Manufacturing, Needles, Grippers, Piezoelectric ceramics
Proceedings Papers

Quieting Plate Modes With Optimally Sized Point Masses: A Volume Velocity Approach

Hans-Walter Wodtke, Gary H. Koopmann
Proc. ASME. DETC95, Volume 3B: 15th Biennial Conference on Mechanical Vibration and Noise — Acoustics, Vibrations, and Rotating Machines, 647-654, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0456
https://doi.org/10.1115/DETC1995-0456
View Paper titled, Quieting Plate Modes With Optimally Sized Point Masses: A Volume Velocity Approach
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Topics: Acoustic intensity, Acoustics, Radiation (Physics), Resonance, Vibration
Proceedings Papers

The Use of Radiation Resistance Measurements to Assess the Noise Characteristics of Machines

Everett H. Paddock, Gary H. Koopmann
Proc. ASME. DETC95, Volume 3B: 15th Biennial Conference on Mechanical Vibration and Noise — Acoustics, Vibrations, and Rotating Machines, 655-662, September 17–20, 1995
Publisher: American Society of Mechanical Engineers
Paper No: DETC1995-0457
https://doi.org/10.1115/DETC1995-0457
View Paper titled, The Use of Radiation Resistance Measurements to Assess the Noise Characteristics of Machines
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Topics: Machinery, Noise (Sound), Radiation (Physics), Valves, Acoustics, Engineering prototypes, Engines, Probes, Computation, Design
Proceedings Papers

Optimization of a Resonant Bimorph Actuator Drive

Eric M. Mockensturm, Gary H. Koopmann, Jeremy Frank, George A. Lesieutre
Proc. ASME. IDETC-CIE2001, Volume 6B: 18th Biennial Conference on Mechanical Vibration and Noise, 1583-1592, September 9–12, 2001
Publisher: American Society of Mechanical Engineers
Paper No: DETC2001/VIB-21487
https://doi.org/10.1115/DETC2001/VIB-21487
View Paper titled, Optimization of a Resonant Bimorph Actuator Drive
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Topics: Actuators, Optimization, Resonance, Engineering prototypes, Rollers, Adaptive structures, Design, Oscillations, Rotation, Smart structures
Proceedings Papers

Weak Radiator Design Using Dimples

Wen Nan Cheng, Chih Chun Cheng, Gary H. Koopmann
Proc. ASME. ESDA2010, ASME 2010 10th Biennial Conference on Engineering Systems Design and Analysis, Volume 2, 53-59, July 12–14, 2010
Publisher: American Society of Mechanical Engineers
Paper No: ESDA2010-24188
https://doi.org/10.1115/ESDA2010-24188
View Paper titled, Weak Radiator Design Using Dimples
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Topics: Design, Design methodology, Finite element methods, Modal assurance criterion, Optimization, Radiation (Physics), Shapes, Sound, Vibration
Proceedings Papers

An Acoustic Superposition Method for Computing Structural Radiation in Spatially Digitized Domains

Brian C. Zellers, Gary H. Koopmann, Michael L. Jonson
Proc. ASME. IMECE2007, Volume 12: New Developments in Simulation Methods and Software for Engineering Applications, 105-121, November 11–15, 2007
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2007-41313
https://doi.org/10.1115/IMECE2007-41313
View Paper titled, An Acoustic Superposition Method for Computing Structural Radiation in Spatially Digitized Domains
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Topics: Acoustics, Radiation (Physics)
Journal Articles

Axial Fan Blade Tone Cancellation Using Optimally Tuned Quarter Wavelength Resonators

Lee Gorny, Gary H. Koopmann
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Research Papers
J. Vib. Acoust. April 2009, 131(2): 021002.
https://doi.org/10.1115/1.2980369
Published Online: February 13, 2009
View Article titled, Axial Fan Blade Tone Cancellation Using Optimally Tuned Quarter Wavelength Resonators
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Topics: Blades, Flow (Dynamics), Pressure, Noise (Sound), Acoustics
Proceedings Papers

Attenuation of High Amplitude Vibrations With Particle Dampers

Michael Y. Yang, Gary H. Koopmann, George A. Lesieutre, Stephen A. Hambric
Proc. ASME. IMECE2002, Noise Control and Acoustics, 113-118, November 17–22, 2002
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2002-32689
https://doi.org/10.1115/IMECE2002-32689
View Paper titled, Attenuation of High Amplitude Vibrations With Particle Dampers
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Topics: Dampers, Particulate matter, Vibration, Friction, Damping, Design, Excitation, Damage, Energy dissipation, Fluids
Proceedings Papers

Optimal Design of an Acoustic Enclosure for Minimal Broadband Sound Radiation

Dongjai Lee, Gary H. Koopmann, Ashok D. Belegundu
Proc. ASME. IMECE2005, Noise Control and Acoustics, 61-70, November 5–11, 2005
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2005-82943
https://doi.org/10.1115/IMECE2005-82943
View Paper titled, Optimal Design of an Acoustic Enclosure for Minimal Broadband Sound Radiation
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Topics: Acoustics, Design, Sound, Optimization, Springs, Displacement, Engineering design, Fittings, Fluids, Noise (Sound)
Journal Articles

Active Control of Low-Frequency Sound Radiation From Vibrating Panel Using Planar Sound Sources

Kean Chen, Gary H. Koopmann
Journal: Journal of Vibration and Acoustics
Publisher: ASME
Article Type: Technical Papers
J. Vib. Acoust. January 2002, 124(1): 2–9.
https://doi.org/10.1115/1.1420197
Published Online: July 1, 2001
View Article titled, Active Control of Low-Frequency Sound Radiation From Vibrating Panel Using Planar Sound Sources
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Topics: Sound, Acoustics, Radiation (Physics)