Matthew SweeneyPostdoctoral Research Associate EES-16/CNLS Computational Subsurface Hydrology Office: TA-3, Bldg 1690, Room 138 Mail Stop: B258 Phone: (505) 665-2306 Fax: msweeney2796@lanl.gov home page Research highlightRecent work on upscaling properties of discrete fracture networks and porous matrix to 3-D continuum:
| | Educational Background/Employment:- 2018 - present, Postdoctoral Research Associate, LANL
- Ph.D. (2018) Geology (Volcanology), University at Buffalo
- M.S. (2014) Geology (Volcanology), University at Buffalo
- B.S. (2012) Applied Mathematics, University of Vermont
- B.S. (2012) Geology, University of Vermont
Research Interests: - Computational fluid dynamics with a focus on geological and geophysical flows
- Eulerian-Eulerian multiphase models
- Discrete fracture network and discrete fracture matrix modeling
- Numerical methods for modeling subsurface flow
- Computational geometry
- Compressible flow
- Physical volcanology
- Numerical methods for tracking moving interfaces
Selected Recent Publications: Google Scholar Homepage
- Sweeney MR, Hyman JD, Stress effects on flow and transport in three-dimensional fracture networks, Journal of Geophysical Research: Solid Earth, submitted
- Sweeney MR, Gable CW, Karra S, Stauffer PH, Pawar RJ, Hyman JD, Upscaled discrete fracture matrix model (UDFM): an octree-refined continuum representation of fractured porous media, Computational Geosciences, accepted
- Sweeney MR, Grosso Z, Valentine GA, Topographic controls on a phreatomagmatic maar-diatreme eruption (Holocene Dotsero volcano, Colorado, USA): field and numerical results, Bulletin of Volcanology 80:78 (2018)
- Valentine GA, Sweeney MR, Compressible flow phenomena at inception of lateral density currents fed by collapsing gas-particle mixtures, Journal of Geophysical Research: Solid Earth 123 (2018)
- Sweeney MR, Valentine GA, Impact zone dynamics of dilute mono- and polydisperse jets and their implications for initial conditions of pyroclastic density currents, Physics of Fluids 29:093304 (2017)
- Sweeney MR, Valentine GA, Transport and mixing dynamics from explosions in debris-filled volcanic conduits: Numerical results and implications for maar-diatreme volcanoes, Earth and Planetary Science Letters 425:64-76 (2015)
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