A specialized boundary element algorithm developed to calculate the state of stress in the Anza Gap, San Jacinto Fault Zone, Southern, CA

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Description

The widely-used algorithm of Crouch and Starfield is unstable when used to solve our mixed boundary equation problem of interest. Altering the boundary conditions and correspondingly rearranging the system of equations to utilize double-sided boundary elements overcomes this drawback. The new algorithm described here is more physically realistic as in that it allows for rotation of the fault segments in the strain field resulting from satisfying the fault static shear strength condition. Preliminary test results indicate that a fault trifurcation gap model may describe the non-strike slip components to some of the seismicity.

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11 p.

Creation Information

Aster, R.; Flores, R. & Fehler, M. June 1, 1995.

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This report is part of the collection entitled: Office of Scientific & Technical Information Technical Reports and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. More information about this report can be viewed below.

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Authors

  • Aster, R.
  • Flores, R. New Mexico Inst. of Mining and Technology, Socorro, NM (United States)
  • Fehler, M. Los Alamos National Lab., NM (United States)

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Description

The widely-used algorithm of Crouch and Starfield is unstable when used to solve our mixed boundary equation problem of interest. Altering the boundary conditions and correspondingly rearranging the system of equations to utilize double-sided boundary elements overcomes this drawback. The new algorithm described here is more physically realistic as in that it allows for rotation of the fault segments in the strain field resulting from satisfying the fault static shear strength condition. Preliminary test results indicate that a fault trifurcation gap model may describe the non-strike slip components to some of the seismicity.

Physical Description

11 p.

Notes

OSTI as DE95012956

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Source

  • Other Information: PBD: [1995]

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Identifier

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  • Other: DE95012956
  • Report No.: LA-SUB--95-59
  • Grant Number: W-7405-ENG-36
  • DOI: 10.2172/82527 | External Link
  • Office of Scientific & Technical Information Report Number: 82527
  • Archival Resource Key: ark:/67531/metadc780196

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Creation Date

  • June 1, 1995

Added to The UNT Digital Library

  • Dec. 3, 2015, 9:30 a.m.

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  • July 28, 2016, 7:40 p.m.

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Aster, R.; Flores, R. & Fehler, M. A specialized boundary element algorithm developed to calculate the state of stress in the Anza Gap, San Jacinto Fault Zone, Southern, CA, report, June 1, 1995; New Mexico. (digital.library.unt.edu/ark:/67531/metadc780196/: accessed August 22, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.