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Further study of Saint-Venant's principle in linear viscoelasticity

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Summary

For a viscoelastic beam loaded at one end and otherwise traction-free, it is shown that a certain integral measure of the strain in that portion of the beam at a distance greater than or equal tos decays exponentially with increasings. This is a different integral decay estimate from that obtained previously by Edelstein [2] and leads immediately to a pointwise decay estimate for strains.

Zusammenfassung

Für einen viskoelastischen Balken, der am einen Ende belastet ist, wird gezeigt, dass ein gewisses Integralmass der Verzerrung in Entfernungen, die grösser oder gleichs sind, mit zunehmendems exponentiell abnimmt. Es handelt sich dabei um eine andere Integral-Abschätzung, als sie früher von Edelstein [2] aufgestellt wurde. Sie führt direkt zu einer punktweisen Abschätzung für die Verzerrungen.

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References

  1. R. A. Toupin,Saint-Venant's Principle, Arch. Ratl. Mech. Anal.,18, 83–96 (1965).

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  2. W. S. Edelstein,On Saint-Venant's Principle in Linear Viscoelasticity, Arch. Ratl. Mech. Anal.36, 366–380 (1970).

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Submitted by R.E.N. as a partial fulfillment of the requirements for the Ph.D. degree at Illinois Institute of Technology, Chicago, Illinois 60616.

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Neapolitan, R.E., Edelstein, W.S. Further study of Saint-Venant's principle in linear viscoelasticity. Journal of Applied Mathematics and Physics (ZAMP) 24, 823–837 (1973). https://doi.org/10.1007/BF01590792

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  • DOI: https://doi.org/10.1007/BF01590792

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