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|a UCRL-JC-146927
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|a E 1.99:UCRL-JC-146927
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| 245 |
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|a Simulations of Underground Structures Subjected to Synamic Loading Using the Distinct Element Method.
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| 260 |
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|a Livermore, Calif :
|b Lawrence Livermore National Laboratory ;
|a Oak Ridge, Tenn. :
|b Distributed by the Office of Scientific and Technical Information, U.S. Department of Energy,
|c 2002.
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| 300 |
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|a 770 Kilobytes pages.
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| 336 |
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|a text
|b txt
|2 rdacontent
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| 337 |
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|a computer
|b c
|2 rdamedia
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| 338 |
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|a online resource
|b cr
|2 rdacarrier
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| 500 |
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|a Published through the Information Bridge: DOE Scientific and Technical Information.
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| 500 |
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|c 04/17/2002.
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| 500 |
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|a "UCRL-JC-146927"
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| 500 |
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|a The 5th International Conference on Analysis of Discontinuous Deformation, Negiv Beer Sheva (IL), 10/06/2002--10/10/2002.
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| 500 |
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|a Glenn, L.A.; Morris, J.P.; Blair, S.C.; Heuze, F.E..
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| 500 |
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|a Lawrence Livermore National Lab., CA (US)
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| 520 |
3 |
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|a The authors present results from a parameter study investigating the stability of underground structures in response to ground shock. Direct simulation requires detailed knowledge of both the facility itself and the surrounding geology. In practice, however, key details (joint spacing, joint stiffness, reinforcement) may not be available. Thus, in order to place bounds upon the predicted behavior of a given facility, an extensive series of simulations representing different realizations may be required. They will discuss the distinct element method (DEM) with particular emphasis on techniques for achieving improved computational efficiency, including the handling of contact detection and approaches to parallelization. Some continuum approaches to the simulation of underground facilities are discussed along with results from underground explosions. Finally, their DEM code is used to simulate dynamic loading of several generic subterranean facilities in hard rock for a range of joint properties and sources, demonstrating the suitability of the DEM for this application.
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| 538 |
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|a Available via the World Wide Web.
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| 500 |
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|a DOE Technical report ; UCRL-JC-146927
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| 500 |
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|a Electronic resource.
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| 650 |
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4 |
|a Deformation.
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| 650 |
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4 |
|a Detection.
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| 650 |
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4 |
|a Efficiency.
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| 650 |
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4 |
|a Geology.
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| 650 |
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4 |
|a Simulation.
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| 650 |
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4 |
|a Stability.
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| 650 |
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4 |
|a Underground Explosions.
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| 650 |
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4 |
|a Underground Facilities.
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| 650 |
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0 |
|a Earth sciences.
|0 http://id.loc.gov/authorities/subjects/sh85040468
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| 710 |
1 |
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|a United States.
|b Department of Energy.
|b Office of the Assistant Secretary for Defense Programs.
|0 http://id.loc.gov/authorities/names/n78044368
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| 710 |
2 |
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|a Lawrence Livermore National Laboratory.
|0 http://id.loc.gov/authorities/names/n81036582
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| 710 |
1 |
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|a United States.
|b Department of Energy.
|b Office of Scientific and Technical Information.
|0 http://id.loc.gov/authorities/names/n84003987
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| 856 |
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|a Michigan State University-Library of Michigan
|b Michigan State University
|c MSU Online Resource
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