Physical Acoustics
- PA00 - Physical Acoustics, REGULAR (not structured)
Description: Contributed session on the topic. - PA01 - Acoustic landmine detection
Joint with: SP
Org. by James Sabatier & Keith Attenborough
Description: This session ties in the three landmine detection technologies and signal processing to enhance the performance. - PA02 - Acoustic probes of planetary environments
Org. by Andi Petculescu & Martin Towner
Description: The session is intended as a forum to bring together the acoustics and planetary science communities in an effort to disseminate and discuss the potential that acoustics has to offer in the study of planetary environments, ranging from acoustic instruments to sound propagation characteristics to gravity waves. - PA03 - Acoustically activated bubble dynamics and applications
Joint with: AO, BB
Org. by Carr Everbach & Joachim Holzfuss
Description: Acoustical activation of bubbles in medicine, industry, materials processing, and other applications including all types of bubbly flows, as well as single bubbly dynamics, cavitation and sonoluminescence. - PA04 - Ultrasonics under extreme conditions
Org. by Albert Migliori & Frederic Decremps
Description: Measurements of ultrasonic properties under extreme conditions including temperature, pressure, shock and more. - PA05 - Infrasound
Org. by Henry Bass & Alexis Le Pichon
Description: Atmospheric sources of infrasound and propagation. - PA06 - Sonic, ultrasonic, and megasonic cleaning
Org. by Ralph Muehleisen & Claus-Dieter Ohl
Description: This session will present papers on advances in the theory or application of megasonic (high intensity) or ultrasonic (high frequency) sound waves for cleaning or treatment of wafers, membranes, filters or other similar materials. - PA07 - Nonlinear acoustics of unconsolidated granular media
Org. by Paul Johnson & Vitalyi Gusev
Description: Physical mechanisms of acoustic nonlinearity and nonlinear wave phenomena in unconsolidated disordered granular packings, in chains of beads and in granular phononic crystals. - PA08 - Nonlinear acoustics of consolidated materials and non destructive testing
Org. by James TenCate & Koen Van Den Abeele
Description: Most consolidated materials (e.g., rocks, concretes, or even high explosives) and materials with cracks do not behave like traditional solids. They all share a unique elastic nonlinearity which includes memory and hysteresis effects as well. Understanding and quantifying these types of nonlinearity are the focus of this session. The session welcomes contributions dealing with the use of nonlinear signatures and nonlinearity based techniques (Elastic Wave Spectroscopy, Laser Vibrometry, Air-coupled Ultrasound, etc.) for the characterization, detection and localization of damage and defects (nonlinear scatterers) in solid materials. - PA09 - Time reversal acoustics for nonlinear imaging
Org. by Alexander Sutin & Serge Dos Santos
Description: The session covers various aspects of nonlinear effects in Time Reversal Acoustics with emphasizing on application of TRA for nonlinear imaging, including: nonlinear imaging of cracks, land mines, measurements of nonlinear properties of tissues. - PA10 - Nonlinear acoustics in earthquake processes and other earth processes
Org. by Paul Johnson & Fabrice Cotton
Description: The objective of this session is to bring together scientists studying instability (granular flow, avalanche) in granular and other Earth materials in the laboratory, and geophysicists studying earthquake and other processes that may be influenced by seismic/acoustic waves, e.g., dynamic earthquake triggering, debris flow. - PA11 - Outdoor sound propagation and uncertainties
Org. by Keith Wilson & Michel Bérengier
Description: Uncertainties and predictive skill limitations for outdoor sound propagation resulting from incomplete knowledge of the atmosphere and terrain environment, and from idealized propagation models. - PA12 - Phononic crystals
Org. by Pierre Deymier & Jérôme Vasseur
Description: Groups doing work on physical acoustics, ultrasonic imaging, acoustic MEMS, etc. would be interested in discussing their research efforts on phononic crystals. - PA13 - Photoacoustics
Org. by Gerald Diebold & Christ Glorieux
Description: This session covers a wide range of techniques and their applications to material characterization and testing where audible sound or ultrasound is generated by laser light and/or optically detected in a frequency range of Hz-GHz, and for the investigation of phenomena on mm to sub-nm scale. - PA14 - Acoustics of porous media
Org. by Walter Lauriks & Keith Attenborough
Description: This session aims to bring together the latest modeling and data concerned with the acoustical properties of porous media. - PA15 - Thermoacoustics
Org. by Steven Garrett & Philippe Blanc-Benon
Description: The latest developments in modeling, measurement, devices and systems. - PA16 - Ultrafast acoustics
Org. by David Hurley & Clément Rossignol
Description: The ultrafast acoustics technical session will focus on emerging subjects: micro and nanophononics - this involves the control of the spectral and spatial distribution of GHz and THz acoustic fields in micro and nano structures. - PA17 - Diffraction of waves on periodical structures: Acoustic, ultrasonic and acousto-optical diffraction phenomena
Org. by Nico Declercq & Nataliya Polikarpova
Description: This session will bring together scientists interested in diffraction effects: acoustic waves diffracted on periodically corrugated walls, staircases or theater seats, but also optical diffraction on ultrasonic waves. The physics behind all these effects follows the same natural principles and it would be really interesting to form an interactive session in this area. - PA18 - Combustion noise and thermo-acoustics
Org. by Tim Lieuwen, Maria Heckl & Rafael Piscoya
Description: Modeling of the acoustic source processes based on CFD, LES, RANS and analytical methods. Sound propagation in the combustion zone. Interactions between the acoustic field with structural components of the combustion system. Effects of elevated mean gas pressure and temperature. Entropy waves. Active control of combustion noise and thermo-acoustic instabilities.
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Organ Concert by Daniel Roth