This is a Preprint and has not been peer reviewed. The published version of this Preprint is available: https://doi.org/10.1002/2014JB011286. This is version 1 of this Preprint.

Vibrational modes of hydraulic fractures: Inference of fracture geometry from resonant frequencies and attenuation
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Abstract
Oscillatory seismic signals arising from resonant vibrations of hydraulic fractures are observed in many geologic systems, including volcanoes, glaciers and ice sheets, and hydrocarbon and geothermal reservoirs. To better quantify the physical dimensions of fluid‐filled cracks and properties of the fluids within them, we study wave motion along a thin hydraulic fracture waveguide. We present a linearized analysis, valid at wavelengths greater than the fracture aperture, that accounts for quasi‐static elastic deformation of the fracture walls, as well as fluid viscosity, inertia, and compressibility. In the long‐wavelength limit, anomalously d... more
DOI
https://doi.org/10.31223/osf.io/s4qpv
Subjects
Earth Sciences, Environmental Sciences, Geophysics and Seismology, Glaciology, Physical Sciences and Mathematics, Volcanology
Keywords
Seismology, hydraulic fracture, crevasse, fracture resonance, glacier hydrology
Dates
Published: 2018-05-28 04:23
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