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AWASP: An Acoustic Wave Analysis and Simulation Program

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A report on the preliminary version of a general purpose computer program for the analysis and simulation of two-dimensional acoustic spaces under steady-state sinusoidal conditions. The program employs finite element methods to predict the sound pressure magnitude and phase in an arbitrary region at any desired frequency. AWASP is similar to concept and usage to well known electronic circuit analysis programs such as ECAP and SPICE. The program has wide application in the analysis and design of a large number of electro-acoustic situations including: sound in ducts, horn propagation, sound in enclosures, diffraction effects, etc. Appications analyzed include: sound in straight and bent pipes, sound in a live room, and simulation of a Helmholtz resonator.

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