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Elastic Wave Propag...
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Bazargan, MohsenUppsala universitet,Geofysik,Rock Engineering, Geosigma Part of Rejlers; WSL Institute for Snow and Avalanche Research SLF
(författare)
Elastic Wave Propagation in a Stainless-Steel Standard and Verification of a COMSOL Multiphysics Numerical Elastic Wave Toolbox
- Artikel/kapitelEngelska2022
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2022-05-17
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MDPI AG,2022
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LIBRIS-ID:oai:DiVA.org:uu-469798
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-469798URI
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https://doi.org/10.3390/resources11050049DOI
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Språk:engelska
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Sammanfattning på:engelska
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Laboratory-based elastic wave measurements are commonly used to quantify the seismic properties of Earth’s crust and upper mantle. Different types of laboratory apparatuses are available for such measurements, simulating seismic properties at different pressure and temperature. To complement such laboratory measurements, we present a numerical toolbox to investigate the seismic properties of rock samples. The numerical model is benchmarked against experimental results from a multi-anvil apparatus, using measurements of a stainless steel calibration standard. Measured values of the mean compressional- and shear-wave velocities at room conditions of the steel block were 6.03 km/s and 3.26 km/s, respectively. Calculated numerical results predicted 6.12 km/s and 3.30 km/s for compressional and shear-wave velocities. Subsequently, we measured Vp and Vs up to 600 MPa hydrostatic confining pressure and 600 °C. These measurements, at pressure and temperature, were then used as the basis to predict numerical wave speeds. There is, in general, good agreement between measurement and predicted numerical results. The numerical method presented in this study serves as a flexible toolbox, allowing for the easy setup of different model geometries and composite materials.
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Almqvist, Bjarne S. G.Uppsala universitet,Geofysik(Swepub:uu)bjaal351
(författare)
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Motra, Hem Bahadur
(författare)
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Broumand, Pooyan
(författare)
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Schmiedel, TobiasUppsala universitet,Mineralogi, petrologi och tektonik(Swepub:uu)tobsc370
(författare)
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Hieronymus, Christoph F.,1967-Uppsala universitet,Geofysik(Swepub:uu)chrhi266
(författare)
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Uppsala universitetGeofysik
(creator_code:org_t)
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Ingår i:Resources: MDPI AG11:52079-9276
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