Tech Briefs

Modeling External Sound Field

To represent a vehicle inside an anechoic room, it is a “generally accepted best practice” to create external cavities connected to the structure to model the external sound field close to the vehicle (D). Create and connect semi-infinite fluids (SIF) all around the external cavities to represent the anechoic character of the room (E). Connect also the ground cavity faces if room is fully anechoic.

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