MODELLING AND EXPERIMENTAL MEASUREMENT IN ACOUSTICS

Le Monde En Tique

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Ouvrage 1-85312-975-5 : MODELLING AND EXPERIMENTAL MEASUREMENT IN ACOUSTICS
Table of Contents: Section 1: Ambient noise problems
Evaluation of the audibility of acoustics signals in industrial areas; Analysis of the acoustic climate along main streets in Villa San Giovanni; An angular diffusivity geometrical model to predict urban sound diffusion
Section 2: Environmental noise
Acoustic map of Pamplona, Spain. Percentile of people affected by environmental noise; A study case of noise coming from road yard machines: experimental tests and theoretical formulas to evaluate sound impact on people; A methodology for impact assessment and acoustic monitoring of quarry activities; Diffraction of sound around barriers: comparison between procedures of forecasting in sound propagation in a quarry; A study about the acoustical impact in high traffic urban streets
Section 3: Building acoustics
A proposal to improve the acoustics in Fernandina churches. The example of Magdalena Church in CĒrdoba (Spain); Sound field in several theatres of C diz, before and after its restoration; Acoustics of domestic boilers; Comparison of acoustic insulation provided by infinite plane versus circular closed walls Laboratory simulation of diffuse pressure fields; An intensimetric method to localize secondary sources
Section 4: Industrial noise and vibrations
Evaluation of the Lep,d index in a dairy of Rome; Application of the modal expansion technique to improve the results of FEM/BEM acoustic radiation; Aerosol coagulation on nonlinear oscillations in a closed tube
Section 5: Sound absorption barriers
Sound absorbing concrete barrier; Some interesting features of the interaction of a bounded ultrasonic beam with a doubly corrugated interface between a solid and a liquid; Sound absorption coefficient changes of acoustical plates made of expanded perlite in moist environment
Section 6: Sound reproduction and visualisation The integration of experimental models in a real-time virtual car sound engineering environment; Application of Wiener series for assessment of the quality of the NARMAX model of dynamic loudspeakers; Visualizing diffraction of a loudspeaker enclosure
Section 7: Aero- and hydro- acoustics
Active noise control in fuselage design; Vibroacoustic loads on spacecraft antennae: analysis and test correlations
Section 8: Underwater acoustics
A new normal mode program SWAMP as a tool for modeling scattering effects in oceanic waveguides; Sediment interface and volume reverberation modeling with the parabolic approximation
Section 9: Detection systems
Application of fast predictive bearing algorithm in 3D wideband signal tracking; An exploration of vibration during interaction with polarized texture
Section 10: Acoustics modelling studies
Experimental validation of analytically computed sound transmission through single and double glazing; Analytical solutions for the acoustic insulation provided by multi-layer systems; Acoustical identification of passenger cabin of vehicles; Balcony form; an approach to reduce sound pressure level into the building façade; Accelerating FEM and BEM acoustic solutions; Multilevel algorithms for the fast evaluation of integral transform in acoustics
Section 11: Wave propagation
Acoustical Wave Propagator method for two-dimensional sound propagation; A PC simulation of the propagation of the Lamb waves in pipes
Section 12: Advanced applications
Physical and biological aspects in active sound and vibration control; Cavitational tissue erosion by therapeutic ultrasound


Auteur : ALMORZA
Editeur : COMPUTATIONAL MECHANICS PUBLIC
Nombre de pages : 350
Date de publication : 05 2003

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