Theory and Calculation for Displacements and Stresses at an Earthquake Source

Abstract

The progress report describes the method of calculation of ground motions near an earthquake source, and outlines the research which has led to ten-fold improvements over the previous computational methods. It is shown that surface waves are likely to contribute strongly to near-source ground-motions. A scalar problem is described, in terms of which one may better appreciate the essential difficulties of relating dislocation and traction on a rupturing fault surface.

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Document Details

Document Type
Technical Report
Publication Date
Apr 30, 1974
Accession Number
AD0779814

Entities

People

  • Paul G. Richards

Organizations

  • Lamont–Doherty Earth Observatory

Tags

Communities of Interest

  • Air Platforms
  • Weapons Technologies

DTIC Thesaurus Topics

  • Air Force
  • Analogs
  • Computational Science
  • Computations
  • Contracts
  • Dislocations
  • Displacement
  • Earthquakes
  • Equations
  • Group Velocity
  • Integral Equations
  • Mechanics
  • Near Field
  • Phase Velocity
  • Stresses
  • Surface Waves
  • Waves

Readers

  • Materials Science (Mechanical Engineering).
  • Seismology
  • Systems Analysis and Design