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Proceedings Papers

Study of Coupled Acoustic Wave Propagation in a Circular Metal Pipe for the Correlation Method

Ho-Wuk Kim, Sang-Kwon Lee, Min-Soo Kim
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 349-356, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73059
https://doi.org/10.1115/NCAD2008-73059
View Paper titled, Study of Coupled Acoustic Wave Propagation in a Circular Metal Pipe for the Correlation Method
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Topics: Acoustics, Metals, Pipes, Wave propagation, Waves, Leakage, Shells, Circular cylinders, Cylinders, Ducts
Proceedings Papers

An Equivalent-Acoustic Finite Element Method for Modeling Sound Absorbing Materials in the Automobile Passenger Compartment

Donald J. Nefske, Shung H. Sung
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 295-300, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73026
https://doi.org/10.1115/NCAD2008-73026
View Paper titled, An Equivalent-Acoustic Finite Element Method for Modeling Sound Absorbing Materials in the Automobile Passenger Compartment
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Topics: Acoustical materials, Acoustics, Automobiles, Finite element methods, Modeling, Computers, Finite element analysis, Finite element model, Materials properties
Proceedings Papers

Efficient Finite-Element Modeling With Equivalent-Fluid Porous Materials

Jeffrey L. Cipolla, Ron Gerdes, Ram Dravida
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 383-388, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73070
https://doi.org/10.1115/NCAD2008-73070
View Paper titled, Efficient Finite-Element Modeling With Equivalent-Fluid Porous Materials
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Topics: Finite element analysis, Fluids, Modeling, Porous materials, Acoustics, Aerospace industry, Damping, Engineering systems and industry applications, Insulation, Materials properties
Proceedings Papers

Application of the Vincent Circle to Noise Suppression

D. W. Herrin, G. Sampath
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 271-275, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73009
https://doi.org/10.1115/NCAD2008-73009
View Paper titled, Application of the Vincent Circle to Noise Suppression
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Topics: Noise (Sound), Stiffness, Acoustics, Computer simulation, Construction, Optimization
Proceedings Papers

Characterization of High Frequency Radiation From Panels Subject to Broadband Excitation

Donald Bliss, Linda Franzoni, Krista Michalis
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 357-361, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73063
https://doi.org/10.1115/NCAD2008-73063
View Paper titled, Characterization of High Frequency Radiation From Panels Subject to Broadband Excitation
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Topics: Excitation, Radiation (Physics), Damping, Waves, Flow (Dynamics), Mach number, Membranes, Modal analysis, Noise (Sound), Pressure
Proceedings Papers

Mode-Based Frequency Response Analysis With Frequency-Dependent Material Properties

Andrzej Bajer
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 331-334, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73051
https://doi.org/10.1115/NCAD2008-73051
View Paper titled, Mode-Based Frequency Response Analysis With Frequency-Dependent Material Properties
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Topics: Frequency response, Materials properties, Algorithms, Damping, Stiffness, Finite element analysis, Vehicles
Proceedings Papers

An Efficient Sandwich Plate Element for Predicting the Vibro-Acoustic Response of Laminated Steel Panels

Kamel Amichi, Noureddine Atalla, Robert Ruokolainen
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 389-396, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73080
https://doi.org/10.1115/NCAD2008-73080
View Paper titled, An Efficient Sandwich Plate Element for Predicting the Vibro-Acoustic Response of Laminated Steel Panels
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Topics: Acoustics, Cavities, Displacement, Excitation, Finite element analysis, Modeling, Radiation (Physics), Skin, Steel, Symmetry (Physics)
Proceedings Papers

Using the Inverse Boundary Element Method to Predict Sound Pressure in the Far Field

D. W. Herrin, J. Liu, J. Han, S. Cheah, D. J. Kato
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 277-280, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73015
https://doi.org/10.1115/NCAD2008-73015
View Paper titled, Using the Inverse Boundary Element Method to Predict Sound Pressure in the Far Field
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Topics: Boundary element methods, Sound pressure, Vibration, Generators, Particulate matter
Proceedings Papers

Sound Attenuation and Prediction of Porous Media Properties in Hybrid Ducts Utilizing Spatially Periodic Area Changes

Lisa J. Burton, Donald B. Bliss, Linda P. Franzoni
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 363-371, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73066
https://doi.org/10.1115/NCAD2008-73066
View Paper titled, Sound Attenuation and Prediction of Porous Media Properties in Hybrid Ducts Utilizing Spatially Periodic Area Changes
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Topics: Ducts, Porous materials, Acoustics, Acoustical properties, Air flow, Density, Engines, Linings (Textiles), Shapes, Silencers
Proceedings Papers

Confirmation Testing and Preliminary Dynamic Measurements of a Journal Bearing Test Rig

J. Harrison Gyurko, Stephen A. Hambric, Karl M. Reichard
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 301-309, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73028
https://doi.org/10.1115/NCAD2008-73028
View Paper titled, Confirmation Testing and Preliminary Dynamic Measurements of a Journal Bearing Test Rig
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Topics: Journal bearings, Testing, Bearings, Fluid films, Modeling, Displacement, Numerical analysis, Pressure measurement
Proceedings Papers

Design of Acoustic Cloak by Transmission Line Approach

Shu Zhang, Nicholas Fang
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 335-338, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73053
https://doi.org/10.1115/NCAD2008-73053
View Paper titled, Design of Acoustic Cloak by Transmission Line Approach
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Topics: Acoustics, Design, Transmission lines, Anisotropy, Compressibility, Density, Noise control, Simulation, Ultrasound, Wave propagation
Proceedings Papers

Noise Reduction Strategies Using Multi-Element Flexible Structures

Qinxian He, Donald B. Bliss, Linda Franzoni
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 373-382, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73069
https://doi.org/10.1115/NCAD2008-73069
View Paper titled, Noise Reduction Strategies Using Multi-Element Flexible Structures
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Topics: Acoustics, Damping, Elastic moduli, Flexible structures, Noise control, Resonance, Sound, Spectra (Spectroscopy), Waves
Proceedings Papers

Responses of Stochastic Shell Structures to Non-Gaussian Random Excitations

Cho W. S. To
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 311-318, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73030
https://doi.org/10.1115/NCAD2008-73030
View Paper titled, Responses of Stochastic Shell Structures to Non-Gaussian Random Excitations
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Topics: Random excitation, Shells, Acoustics, Finite element analysis, Radiation (Physics)
Proceedings Papers

Computing Resonant Frequencies and Coupled Mode-Shapes of Structural-Acoustic Systems Using the Finite Element Method

Rui M. Botelho
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 281-294, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73017
https://doi.org/10.1115/NCAD2008-73017
View Paper titled, Computing Resonant Frequencies and Coupled Mode-Shapes of Structural-Acoustic Systems Using the Finite Element Method
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Topics: Acoustics, Finite element methods, Mode shapes, Resonance, Finite element analysis, Fluids, Boundary-value problems, Damping, Radiation (Physics), Space
Proceedings Papers

Reconstruction of Normal Surface Velocities of a Simply-Supported Baffled Plate Using Helmholtz Equation Least Square Method

Huancai Lu, Sean F. Wu
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 397-413, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73089
https://doi.org/10.1115/NCAD2008-73089
View Paper titled, Reconstruction of Normal Surface Velocities of a Simply-Supported Baffled Plate Using Helmholtz Equation Least Square Method
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Topics: Acoustics, Geometry, Microphones, Sound pressure, Stability, Vibration
Proceedings Papers

Some Preliminary Results for Highway Noise Barrier Designs Based on Acoustic Band Gap Phenomenon

Liang-Wu Cai
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 415-421, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73090
https://doi.org/10.1115/NCAD2008-73090
View Paper titled, Some Preliminary Results for Highway Noise Barrier Designs Based on Acoustic Band Gap Phenomenon
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Topics: Acoustics, Energy gap, Highways, Noise (Sound), Design, Simulation results, Traffic, Transportation systems
Proceedings Papers

Prediction and Modification of Broadband Interior Noise in Enclosures Using Energy-Intensity BEM and Absorption Scaling

Krista Michalis, Donald Bliss, Linda Franzoni
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 339-347, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73057
https://doi.org/10.1115/NCAD2008-73057
View Paper titled, Prediction and Modification of Broadband Interior Noise in Enclosures Using Energy-Intensity BEM and Absorption Scaling
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Topics: Absorption, Boundary element methods, Noise (Sound), Acoustics, Reflection, Scaling laws (Mathematical physics)
Proceedings Papers

A Revisit of the Coupling Loss Factors in Determining Power Flows in Structures

Hongan Xu, Wen L. Li
Proc. ASME. NCAD2008, ASME 2008 Noise Control and Acoustics Division Conference, 319-329, July 28–30, 2008
Publisher: American Society of Mechanical Engineers
Paper No: NCAD2008-73048
https://doi.org/10.1115/NCAD2008-73048
View Paper titled, A Revisit of the Coupling Loss Factors in Determining Power Flows in Structures
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Topics: Flow (Dynamics), Seas, Waves, Energy conservation, Shapes