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On the change of natural frequencies of a sloshing liquid by movable devices

Zur Änderung der Eigenfrequenzen einer schwingenden Flüssigkeit durch bewegliche Vorrichtungen

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Summary

The present paper investigates the effectiveness of a movable device (mat), which is either immersed in an ideal fluid or covers the liquid free surface, to change the natural frequencies of a sloshing liquid in a circular cylindrical rigid tank. It is demonstrated that such a device reduces the frequencies of the free oscillations of the liquid substantially.

Zusammenfassung

Vorliegende Arbeit untersucht die Wirksamkeit einer beweglichen Dämpfungs-vorrichtung (Matte) zur Herabsetzung der Eigenfrequenzen einer schwingenden reibungslosen Flüssigkeit mit freier Oberfläche in einem kreiszylindrischen starren Tank. Die Matte ist entweder in die Flüssigkeit eingebettet oder bedeckt deren Oberfläche. Es wird gezeigt, daß eine solche Vorrichtung die Frequenzen der freien Flüssigkeitsschwingungen wesentlich reduziert.

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References

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Authors and Affiliations

  1. Institut für Mechanik, Technische Hochschule Darmstadt, D-61, Darmstadt, BRD

    J. Siekmann

  2. School of Engineering Science and Mechanics, Georgia Institute of Technology, 30332, Atlanta, GA, USA

    Shih-Chih Chang

Authors
  1. J. Siekmann
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  2. Shih-Chih Chang
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Siekmann, J., Chang, SC. On the change of natural frequencies of a sloshing liquid by movable devices. Acta Mechanica 11, 73–86 (1971). https://doi.org/10.1007/BF01368119

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  • DOI: https://doi.org/10.1007/BF01368119

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