Acoustic Modelling

Seppo Pohjolainen, Antti Suutala

    Research output: Chapter in Book/Report/Conference proceedingChapterScientificpeer-review

    Abstract

    Let us examine the behaviour of sound in a gas or in a liquid medium. From a physical point of view, the sound we hear is created by the pressure change in the medium surrounding us that is sensed by our ears. The equations describing the behaviour of a liquid or a gas are based on well-known equations of fluid mechanics. Therefore in acoustics, they are often referred to as fluids. In the following sections we present a simple wave equation, which is the simplest of (linear) equations used to model acoustical phenomena. Even though the wave equation is quite a simplified model, it has proven to be extremely useful for describing the behaviour of sound in the most common fluid we face every day, namely air.
    Original languageEnglish
    Title of host publicationMathematical Modelling
    EditorsSeppo Pohjolainen
    Place of PublicationSwitzerland
    PublisherSpringer
    Pages185-205
    Number of pages21
    ISBN (Electronic)978-3-319-27836-0
    ISBN (Print)978-3-319-27834-6
    DOIs
    Publication statusPublished - 30 Jun 2016
    Publication typeA3 Part of a book or another research book

    Publication forum classification

    • Publication forum level 2

    ASJC Scopus subject areas

    • Applied Mathematics
    • Modelling and Simulation
    • Acoustics and Ultrasonics

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