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Thursday, October 15, 2020 | History

3 edition of Strain Energy in Explosion-Generated Strain Pulses. found in the catalog.

Strain Energy in Explosion-Generated Strain Pulses.

United States. Bureau of Mines.

Strain Energy in Explosion-Generated Strain Pulses.

by United States. Bureau of Mines.

  • 133 Want to read
  • 24 Currently reading

Published by s.n in S.l .
Written in English


Edition Notes

1

SeriesReport of investigations (United States. Bureau of Mines) -- 5514
ContributionsFogelson, D., Duvall, Wilbur I., Atchison, T.
ID Numbers
Open LibraryOL21745130M

  Consider that, at a certain moment, the strain rate (shown in Fig. 1B as a displacement regarded as infinitesimal) becomes high enough for the kinetic energy of shear strain rate to suffice for creating the fractures and interface slips that separate the particles of as yet unknown size. As that happens, the particles release their local kinetic energy, slip against each other, and regain Articular cartilage is exposed to compressive strain of approximately 10% under physiological loads in vivo, and intracellular Ca 2+ signaling is one of the earliest responses in chondrocytes under this physical stimulation. However, it remains unknown whether compressive strain itself evokes intracellular Ca 2+ signaling in chondrocytes located within each layer (from surface to deep) in an //Local-Strain-Distribution-and-Increased.

  @article{osti_, title = {Pipeline response to blasting in rock}, author = {Esparza, E D}, abstractNote = {Twenty-one highway construction blasts were used to record pipeline data from production shots that consisted of small explosive arrays with delays among the explosive holes. A in pipe section and a in. pipeline in the vicinity of the highway construction work were   strain and the strain wave of low frequency had existed, these waves would have been overlooked on the account of the lack in low frequency response of instruments. Sakurai" measured the shock wave near explosion in metals and referred to the

A Gage and Recording Equipment for Measuring Dynamic Strain in Rock - Ebook written by Leonard Obert, Wilbur I. Duvall. Read this book using Google Play Books app on your PC, android, iOS devices. Download for offline reading, highlight, bookmark or take notes while you read A Gage and Recording Equipment for Measuring Dynamic Strain in ://   The ternary compound InGaAs is a promising photoconductor since it may efficiently operate with a long-wave laser pump of − μ m emitted by fiber lasers that allows for fabrication of cost-effective and portable THz emitters for the THz spectroscopy and imaging systems. 18–21 A. Brahm, A. Wilms, R. J. B. Dietz, T. Göbel, M. Schell, G. Notni, and A. Tünnermann, Opt. Express


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Strain Energy in Explosion-Generated Strain Pulses by United States. Bureau of Mines. Download PDF EPUB FB2

Strain energy in explosion-generated strain pulses (OCoLC) Material Type: Government publication, National government publication: Document Type: Book: All Authors / Contributors: David E Fogelson; Wilbur I Duvall; Thomas C Atchison; United States. Bureau of Mines, Strain energy in explosion-generated strain pulses.

Strain energy in explosion-generated strain pulses. Image. View Full Item. Created Date Description. Fogelson, David E. Strain energy in explosion-generated strain pulses. Retrieved from the Digital Public Library of America, Strain energy in explosion-generated strain pulses / by David E.

Fogelson, Wilbur I. Duvall, and Thomas C. :// Download PDF: Sorry, we are unable to provide the full text but you may find it at the following location(s): (external link) http Additional Physical Format: Online version: Atchison, Thomas C.

Effect of decoupling on explosion-generated strain pulses in rock. [Washington, D.C.]: U.S. Dept. of David Fogelson, Thomas C. Atchison, Wilbur I. Duvall; Propagation of Peak Strain and Strain Energy From Explosion-Generated Strain Pulses in :// /Propagation-of-Peak-Strain-and-Strain-Energy-From.

An explosion in pre-stressed medium is formulated as a composite source consisting of an isotropic explosion and a double-couple representing the tectonic strain release.

From the radiation patterns of Rayleigh waves and Love-to-Rayleigh wave amplitude ratios relative strength of the strain release component is ://   T. Qu, M. Zhou, in Dynamic Response and Failure of Composite Materials and Structures, Experimental investigation.

R.H. Cole, in his book Underwater Explosions [35], gives a detailed account of the shock waves generated during an explosions and the effect of these waves on ive materials are inherently unstable compounds, which undergo chemical reactions   Chapter 4 Fundamentals of Laser-Material Interaction and Application to Multiscale Surface Modification Matthew S.

Brown and Craig B. Arnold Abstract Lasers provide the ability to accurately deliver large amounts of energy into confined regions of   An explosion is defined as a large-scale, rapid and sudden release of energy.

Explosions can be catego-rized on the basis of their nature as physical, nuclear or chemical events. In physical explosions, energy may be released from the catastrophic failure of a cylinder of compressed gas, volcanic eruptions   DOI: /GSSRLA Corpus ID: Propagation of Peak Strain and Strain Energy From Explosion-Generated Strain Pulses in Rock @article{FogelsonPropagationOP, title={Propagation of Peak Strain and Strain Energy From Explosion-Generated Strain Pulses in Rock}, author={D.

Fogelson and T. Atchison and W. Duvall}, journal={Seismological Research Letters}, The shock waves generated from the explosion are abruptly attenuated with the increase of propagation distance. In the process of rock fragmentation, the stress wave plays an extremely important role.

three major peaks of the strain energy density pulses were observed in the three cases (Figure 5(a)). The distribution of the strain energy Read Volume 30 Issue 3 of Seismological Research Letters.

High‐Resolution Imaging of the M L August Earthquake in Lancashire, United Kingdom, Induced by Hydraulic Fracturing during Preston New Road PNR‐2 Operations Fogelson DE, Atchinson TC, Duvall WI () Propagation of peak strain and strain energy for explosion-generated strain pulses in rock.

In: Proceedings of the 3rd US symposium on rock mechanics, Golden, CO, 20–22 Apr Colorado School of Mines, Golden, pp – Google Scholar   SURFACE ROUGHENING MECHANISMS FOR TUNGSTEN EXPOSED TO LASER, ION, AND X-RAY PULSES Michael Andersen and Nasr M.

Ghoniem University of California Los Angeles (UCLA) Westwood Plaza/, Los Angeles, CA [email protected] Tungsten is a candidate material for a variety of applications in Magnetic and Inertial Fusion Energy roughening mechanisms for tungsten exposed. Fogelson, D.E., Atchinson, T.C.

and Duvall, W.I. () Propagation of Peak Strain and Strain Energy for Explosion-Generated Strain Pulses in Rock. Proceedings of the 3rd US Symposium on Rock Mechanics, Golden, AprilBerg Jr., J.W.

and Cook, K.L. () Energies, Magnitudes and Amplitudes of Seismic Waves from Quarry Blasts ?PaperID=   Time history of plastic strain energy obtained numerically for different immersion depths. In conclusion, mechanical response of a deeply immersed cylinder subjected to the shock wave generated by an underwater explosion may be broken down into three successive phases, illustrated in Fig.

18 for the case with D i m = m: Strain measurement is an important component in model tests of combustible internal explosions. Strain gauges are used to measure strain in traditional electrical measurement methods and have some It is a modified version of Strain Energy Impact Test System clamp in a prestressed bar to generate the tensile pulses in split Hopkinson bar set-up [5].

Under high strain rate conditions, Nicholas developed Once an impact pulse is generated and transferred from the energy bar to load frame, the stress?doi=&rep=rep1&type=pdf.

Spherical Propagation of Explosion-generated Strain Pulses in Rock: Issues - Ebook written by Wilbur I. Duvall, Benjamin Petkof. Read this book using Google Play Books app on your PC, android, iOS devices. Download for offline reading, highlight, bookmark or take notes while you read Spherical Propagation of Explosion-generated Strain Pulses in Rock: Issues.

This paper summarizes the experimental data obtained on the spherical propagation characteristics of explosion-generated strain pulses in a fine grained granite gneiss and attempts to show how the peak strain and strain energy of these pulses maybe related to certain properties of   involves the full stress-strain relationship for an elastic solid.

However, the Pand S seismic wave solutions share many characteristics with the solutions to the 1-D wave equation. They involve pulses of arbitrary shape that travel at speeds determined by the elastic properties and density of the medium, and these pulses are often~guy/sioa/Fogelson DE, Duvall WI, Atchison TC () Strain energy in explosion-generated strain pulses.

US Bureau of Mines RI Jiao YY, Zhang XL, Zhao J, Liu QS () Viscous boundary of DDA for modeling stress wave propagation in jointed rock. Int J Rock Mech Min Sci 47(7)–