Journal cover Journal topic
Natural Hazards and Earth System Sciences An interactive open-access journal of the European Geosciences Union
https://doi.org/10.5194/nhess-2017-459
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.
Research article
26 Jan 2018
Review status
This discussion paper is a preprint. A revision of the manuscript is under review for the journal Natural Hazards and Earth System Sciences (NHESS).
A Study of Earthquake Recurrence based on a One-body Spring-slider Model in the Presence of Thermal-pressurized Slip-weakening Friction and Viscosity
Jeen-Hwa Wang Institute of Earth Sciences, Academia Sinica, P.O. Box 1–55, Nangang, Taipei, Taiwan
Abstract. Earthquake recurrence is studied from the temporal variation in slip through numerical simulations based on the normalized equation of motion of a one-body spring-slider model in the presence of thermal-pressurized slip-weakening friction and viscosity. The major model parameters are the normalized characteristic displacement, Uc, of the friction law and the normalized damping coefficient (to represent viscosity), η. Simulation results exhibit that both friction and viscosity remarkably affect slip of the slider. The recurrence time, TR, increases with η or with decreasing Uc. The final slip, D, and the duration time of slip, τD, of an event decrease with increasing η; while τD increases with Uc. The time-predictable and slip-predictable models can describe the temporal variation in cumulative slip. Considering the effect caused by wear process, the thickness of slip zone, h, depends on the cumulated slip, S(t) = ∑D(t): h(t) = CS(t) where C is a dimensionless constant. Uc is a function of h and thus influenced by C. In the computational time period, when C< > 0.0001 the wear process influences the slip recurrence and its effect increases with C. Neither the time-predictable model nor the slip-predictable model can describe the temporal variation in cumulative slip when the wear process with high C works.
Citation: Wang, J.-H.: A Study of Earthquake Recurrence based on a One-body Spring-slider Model in the Presence of Thermal-pressurized Slip-weakening Friction and Viscosity, Nat. Hazards Earth Syst. Sci. Discuss., https://doi.org/10.5194/nhess-2017-459, in review, 2018.
Jeen-Hwa Wang
Jeen-Hwa Wang
Jeen-Hwa Wang

Viewed

Total article views: 210 (including HTML, PDF, and XML)

HTML PDF XML Total BibTeX EndNote
167 33 10 210 4 9

Views and downloads (calculated since 26 Jan 2018)

Cumulative views and downloads (calculated since 26 Jan 2018)

Viewed (geographical distribution)

Total article views: 214 (including HTML, PDF, and XML)

Thereof 212 with geography defined and 2 with unknown origin.

Country # Views %
  • 1

Saved

Discussed

Latest update: 22 May 2018
Publications Copernicus
Download
Share