Maxwell: A semi-analytic 4D code for earthquake cycle modeling of transform fault systems

Maxwell: A semi-analytic 4D code for earthquake cycle modeling of transform fault systems We have developed a semi-analytic approach (and computational code) for rapidly calculating 3D time-dependent deformation and stress caused by screw dislocations imbedded within an elastic layer overlying a Maxwell viscoelastic half-space. The maxwell model is developed in the Fourier domain to exploit the computational advantages of the convolution theorem, hence substantially reducing the computational burden associated with an arbitrarily complex distribution of force couples necessary for fault modeling. The new aspect of this development is the ability to model lateral variations in shear modulus. Ten benchmark examples are provided for testing and verification of the algorithms and code. One final example simulates interseismic deformation along the San Andreas Fault System where lateral variations in shear modulus are included to simulate lateral variations in lithospheric structure. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Computers & Geosciences Elsevier

Maxwell: A semi-analytic 4D code for earthquake cycle modeling of transform fault systems

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Publisher
Elsevier
Copyright
Copyright © 2018 Elsevier Ltd
ISSN
0098-3004
eISSN
1873-7803
D.O.I.
10.1016/j.cageo.2018.01.009
Publisher site
See Article on Publisher Site

Abstract

We have developed a semi-analytic approach (and computational code) for rapidly calculating 3D time-dependent deformation and stress caused by screw dislocations imbedded within an elastic layer overlying a Maxwell viscoelastic half-space. The maxwell model is developed in the Fourier domain to exploit the computational advantages of the convolution theorem, hence substantially reducing the computational burden associated with an arbitrarily complex distribution of force couples necessary for fault modeling. The new aspect of this development is the ability to model lateral variations in shear modulus. Ten benchmark examples are provided for testing and verification of the algorithms and code. One final example simulates interseismic deformation along the San Andreas Fault System where lateral variations in shear modulus are included to simulate lateral variations in lithospheric structure.

Journal

Computers & GeosciencesElsevier

Published: May 1, 2018

References

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