A three dimensional finite element solution of the acoustic vibration problem in a solid propellant rocket motor is presented. The solution yields the natural circular frequencies of vibration and the corresponding acoustic pressure mode shapes, considering the coupled response of the propellant grain to the acoustic oscillations occurring in the motor cavity. The near incompressibility of the solid propellant is taken into account in the formulation. A relatively simple example problem is solved in order to illustrate the applicability of the analysis and the developed computer code.


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    Titel :

    Three-dimensional finite element analysis of acoustic instability of solid propellant rocket motors


    Beteiligte:
    Hackett, R. M. (Autor:in) / Juruf, R. S. (Autor:in)


    Erscheinungsdatum :

    01.01.1976


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




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