Energy based prediction models for building acoustics

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    Abstract

    In order to reach robust and simplified yet accurate prediction models, energy based principle are commonly used in many fields of acoustics, especially in building acoustics. This includes simple energy
    flow models, the framework of statistical energy analysis (SEA) as well as more elaborated principles as, e.g., wave intensity analysis (WIA). The European standards for building acoustic predictions, the EN
    12354 series, are based on energy flow and SEA principles. In the present paper, different energy based prediction models are discussed and critically reviewed. Special attention is placed on underlying basic assumptions, such as diffuse fields, high modal overlap, resonant field being dominant, etc., and the consequences of these in terms of limitations in the theory and in the practical use of the models.
    Original languageEnglish
    Title of host publicationProceedings of the joint Baltic-Nordic Acoustics Meeting 2012
    Number of pages8
    Publication date2012
    Publication statusPublished - 2012
    EventJoint Baltic-Nordic Acoustics Meeting 2012 - Odense, Denmark
    Duration: 18 Jun 201220 Jun 2012

    Conference

    ConferenceJoint Baltic-Nordic Acoustics Meeting 2012
    Country/TerritoryDenmark
    CityOdense
    Period18/06/201220/06/2012

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