In this thesis, the behaviour of a weakly nonlinear acoustic signal near a coustic surface has been determined for a special class of specified inconing signals. This problem arises in various contexts, including the propagation of sonic booms generated by supersonic aircraft. The analysis depends on a complicated mapping of hodograph-like solutions to the physical plane. The maximum amplification for this class of signals of fixed amplitude depends on the width of the incoming signal. The solutions contain reflected shock waves that satisfy the Rankine-Hugoniot jump conditions. A set of solutions, characterized by a single parameter in the hodograph plane, is proposed that should allow one to find solutions for incoming signal widths other than those found acceptable here.


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    Title :

    Shock wave formation at a caustic


    Additional title:

    Bildung von Schockwellen bei Ueberschallknall


    Contributors:
    Fung, K. (author)

    Publication date :

    1976


    Size :

    73 Seiten


    Type of media :

    Theses


    Type of material :

    Print


    Language :

    English




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