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Dynamische aeroelastische Antwortprobleme

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Grundlagen der Aeroelastik

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Zusammenfassung

Die wesentlichen physikalischen Merkmale der in dem vorausgegangenen Kapitel behandelten dynamischen aeroelastischen Stabilitätsprobleme bestanden darin, daß der oszillatorische Bewegungsablauf als Grenzfall einer stabilen Schwingung harmonisch erfolgte und nur systemabhängige Kräfte im (aeroelastischen) Wechselspiel waren. Im folgenden wollen wir uns nun noch mit jenen dynamischen aeroelastischen Vorgängen befassen, bei denen die Bewegungen eines elastischen Systems unter der Einwirkung aerodynamischer Kräfte zeitlich beliebig erfolgen können, und zwar jeweils abhängig von den Anfangsbedingungen, dem Charakter der schwingungsanregenden Luftkräfte und den elastischen Eigenschaften des Systems. Die daraus resultierenden aeroelastischen Aufgaben werden insgesamt als dynamische aeroelastische Antwortprobleme bezeichnet. Sie sind in mathematischer Hinsicht dadurch gekennzeichnet, daß die aeroelastischen Bewegungsgleichungen im Gegensatz zum Flatterproblem inhomogener Natur sind und der Bewegungsablauf folglich den Charakter einer erzwungenen bzw. (nach Aufhören der Störung) einer abklingenden Schwingung hat.

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Authors and Affiliations

  1. Instituts für Aeroelastik, Deutschen Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e. V., Deutschland

    Privatdozent Dr.-Ing. Hans Wilhelm Försching (Direktor)

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  1. Privatdozent Dr.-Ing. Hans Wilhelm Försching
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© 1974 Springer-Verlag Berlin Heidelberg

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Försching, H.W. (1974). Dynamische aeroelastische Antwortprobleme. In: Grundlagen der Aeroelastik. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-48285-4_7

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  • DOI: https://doi.org/10.1007/978-3-642-48285-4_7

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-48286-1

  • Online ISBN: 978-3-642-48285-4

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