𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Electro-acoustic horn

Book ID
103440491
Publisher
Elsevier Science
Year
1969
Tongue
English
Weight
251 KB
Volume
7
Category
Article
ISSN
0041-624X

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The shape of an acoustic horn is optimized with respect to its ability to provide impedance matching to the surrounding air. The resulting minimization problem is solved using a BFGS quasi-Newton algorithm. The wave propagation is modeled by a finite-element approximation of the Helmholtz equation,