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An Experimental Study of Longitudinal Strain Pulse Propagation in Wide Rectangular Bars

Jones, Orval and Ellis, Albert T. (1961) An Experimental Study of Longitudinal Strain Pulse Propagation in Wide Rectangular Bars. California Institute of Technology , Pasadena, CA. (Unpublished) http://resolver.caltech.edu/CaltechAUTHORS:20150511-105940240

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Abstract

The plane-stress theory presented in Part I is shown to qualitatively predict the warping of plane sections observed in transient fringe patterns obtained using birefringent coatings and in dynamic photoelastic pictures obtained by other investigators. Measurements using conventional techniques are described in which wide rectangular bars were subjected to a longitudinal step-function pressure loading produced by a shock tube. Comparisons show that the gross features of the experimental records for the head of the pulse are qualitatively predicted by the theory. Both theory and experiment show that short-wavelength second mode disturbances arrive very early. Experimentally it is observed that these disturbances are accompanied by thickness mode activity which cannot be accounted for by the plane-stress theory.


Item Type:Report or Paper (Technical Report)
Additional Information:Department of the Navy Naval Ordnance Test Station Contract N123(60530)24917A. Report No. E-108.15. Financial support from the following sources made this study possible: 1. U . S. Naval Ordnance Test Station Contract Nl23(60530)24917A. 2. National Science Foundation Grant G-2586.
Group:Hydrodynamics Laboratory
Funders:
Funding AgencyGrant Number
Naval Ordnance Test StationN123(60530)24917A
NSFG-2586
Record Number:CaltechAUTHORS:20150511-105940240
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20150511-105940240
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:57411
Collection:CaltechAUTHORS
Deposited By: Kristin Buxton
Deposited On:11 May 2015 21:50
Last Modified:11 May 2015 21:50

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