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7 papers · 2 filters
A minimal model for the onset of slip pulses in frictional rupture
Kjetil Thøgersen, Einat Aharonov, Fabian Barras +1
We present a minimal one-dimensional model for the transition from crack-like to pulse-like propagation of frictional rupture. In its non-dimensional form, the model depends on onl…
Frictional anisotropy of 3D-printed fault surfaces
Tom Vincent-Dospital, Alain Steyer, François Renard +1
The surface morphology of faults controls the spatial anisotropy of their frictional properties, and hence their mechanical stability. Such anisotropy is only rarely studied in sei…
Assessing the brittle crust thickness from strike-slip fault segments on Earth, Mars and Icy Moons
Frederic-Victor Donze, Yann Klinger, Viviana Bonilla-Sierra +3
Segment lengths along major strike-slip faults exhibit a size dependency related to the brittle crust thickness. These segments result in the formation of the localized 'P-shear' d…
The RESOLVE project: a multi-physics experiment with a temporary dense seismic array on the Argentière Glacier, French Alps
Florent Gimbert, Ugo Nanni, Philippe Roux +11
Recent work in the field of cryo-seismology demonstrates that high frequency (>1 Hz) waves provide key constraints on a wide range of glacier processes such as basal friction, surf…
A Distortion Matrix Framework for High-Resolution Passive Seismic 3-D Imaging: Application to the San Jacinto Fault Zone, California
Rita Touma, Thibaud Blondel, Arnaud Derode +2
Reflection seismic imaging usually suffers from a loss of resolution and contrast because of the fluctuations of the wave velocities in the Earth's crust. In the literature, phase…
Dynamo action in sliding plates of anisotropic electrical conductivity
Thierry Alboussiere, Kamel Drif, Franck Plunian
With materials of anisotropic electrical conductivity, it is possible to generate a dynamo with a simple velocity field, of the type precluded by Cowling's theorems with isotropic…