Research Projects

High-Energy Density Physics: The objective of the HEDP initiative is to add capabilities to the FLASH code to make it a highly capable toolset for the academic HEDP community. The initiative is jointly funded by the U.S. Department of Energy (DOE) Advanced Simulation and Computing Program in the National Nuclear Security Administration and the (DOE) Office of Advanced Scientific Computing Research in the Office of Science.


Thermonuclear-Powered Supernovae: Type Ia (thermonuclear-powered) supernovae are among the brightest explosions in the universe. Observations using them as "cosmic yardsticks" led to the discovery of dark energy. The goal of the Flash Center's Type Ia supernova project is to understand these explosions better, and by doing so, help observers use them to determine the properties of dark energy. This project is funded by the National Science Foundation.


Fluid-Structure Interaction: The object of this project is to develop petascale tools applicable to multi-body, fluid-structure interactions in laminar and turbulent flows. In particular the project will target applications in dense suspensions of deformable particles, such as whole-blood simulations from first principles. It is an NSF-funded collaborative project involving a multidisciplinary team from the University of Maryland and the University of Chicago with expertise in computational mechanics, multiscale modeling and parallel computing.


Implicit Solvers: The aim of this NSF-funded project is to implement a fully implicit solver in FLASH for stiff hyperbolic and parabolic systems. Such "stiff" systems arise in many nonlinear physics involving wide ranges of both length and time scales that are challenging to simulate.

Recent Publications
The Biermann Catastrophe in Numerical MHD
Graziani, C. ; Tzeferacos, P. ; Lee, D. ; Lamb D.~Q. ; Weide, K. ; Fatenejad, M. ; Miller, J.
Astrophysical Journal
2015
Emission from Pair-instability Supernovae with Rotation
Chatzopoulos, E. ; van Rossum, D.~R. ; Wheeler, J.~C. ; Whalen, D.~J. ; Smidt, J. ; Wiggins, B.
Astrophysical Journal
799
18
2015
FLASH MHD Simulations of Experiments that Study Shock-generated Magnetic Fields
Tzeferacos, P. ; Fatenejad, M. ; Flocke, N. ; Graziani, C. ; Gregori, G. ; Lamb, D.Q. ; Lee, D. ; Meinecke, J. ; Scopatz, A. ; Weide, K.
High Energy Density Physics
2014
Characterizing the Convective Velocity Fields in Massive Stars
Chatzopoulos, E. ; Graziani, C. ; Couch, S.~M.
Astrophysical Journal
795
92
2014
Radiation Transport for Explosive Outflows: Opacity Regrouping
Wollaeger, R.~T. ; van Rossum, D.~R.
Astrophysical Journal
214
28
2014
Turbulent Amplification of Magnetic Fields in Laboratory Laser-produced Shock Waves
Meinecke, J. ; Doyle, H.~W. ; Miniati, F. ; Bell, A.~R. ; Bingham, R. ; Crowston, R. ; Drake, R.~P. ; Fatenejad, M. ; Koenig, M. ; Kuramitsu, Y. ; Kuranz, C.~C. ; Lamb, D.~Q. ; Lee, D. ; MacDonald, M.~J. ; Murphy, C.~D. ; Park, H-S. ; Pelka, A. ; Ravasio, A. ; Sakawa, Y. ; Schekochihin, A.~A. ; Scopatz, A. ; Tzeferacos, P. ; Wan, W.~C. ; Woolsey, N.~C. ; Yurchak, R. ; Reville, B. ; Gregori, G.
Nature Physics
10
520-524
2014
Equation of State Measurements of Warm Dense Carbon Using Laser-driven Shock and Release Technique
Falk, K. ; Gamboa, E.~J. ; Kagan, G. ; Montgomery, D.~S. ; Srinivasan, B. ; Tzeferacos, P. ; Benage, J.~F.
Physical Review Letters
112
2014
Experimental Demonstration of an Inertial Collimation Mechanism in Nested Outflows
Yurchak, R. ; Ravasio, A. ; Pelka, S. ; Pikuz, Jr., S. ; Falize, E. ; Vinci, T. ; Koenig, M. ; Loupias, B. ; Benuzzi-Mounaix, A. ; Fatenejad, M. ; Tzeferacos, P. ; Lamb, D.~Q. ; Blackman, E.~G.
Physical Review Letters
112
2014
The Post-merger Magnetized Evolution of White Dwarf Binaries: The Double-degenerate Channel of Sub-Chandrasekhar Type Ia Supernovae and the Formation of Magnetized White Dwarfs
Ji, S. ; Fisher, R.~T. ; Garcia-Berro, E. ; Tzeferacos, P. ; Jordan, G. ; Lee, D. ; Loren-Aguilar, P. ; Cremer, P. ; Behrends, J.
Astrophysical Journal
773
136
2013
FLASH Hydrodynamic Simulations of Experiments to Explore the Generation of Cosmological Magnetic Fields
Scopatz, A. ; Fatenejad, M. ; Flocke, N. ; Gregori, G. ; Koenig, M. ; Lamb, D.~Q. ; Lee, D. ; Meinecke, J. ; Ravasio, A. ; Tzeferacos, P. ; Weide, K. ; Yurchak, R.
High Energy Density Physics
9
75-81
2013
FLASH Magnetohydrodynamic Simulations of Shock-generated Magnetic Field Experiments
Tzeferacos, P. ; Fatenejad, M. ; Flocke, N. ; Gregori, G. ; Lamb, D.~Q. ; Lee, D. ; Meinecke, J. ; Scopatz, A. ; Weide, K.
High Energy Density Physics
8
322-328
2012
Radiation Energy-Balance Method for Calculating the Time Evolution of Type Ia Supernovae During the Post-Explosion Phase
van Rossum, D.~R.
Astrophysical Journal
2011
Aspherical Supernova Shock Breakout and the Observations of Supernova 2008D
Couch, S.~M. ; Pooley, D. ; Wheeler, J.~C. ; Milosavljevic, M.
Astrophysical Journal
727
104-+
2011
GRBs as standard candles: There is no "circularity problem" (and there never was)
Graziani, C.
New Astronomy
16
57-64
2011
Progress Toward HEDP in FLASH's Unsplit Staggered Mesh MHD Solver
D. Lee ; G. Xia ; C. Daley ; A. Dubey ; S. Gopal ; C. Graziani ; D. Lamb ; K. Weide
An International Journal of Astronomy, Astrophysics and Space Science
2011
Cosmological MHD simulations of cluster formation with anisotropic thermal conduction
Ruszkowski, M. ; Lee, D. ; Br\"uggen, M. ; Parrish, I. ; Oh, P.
Journal of Astrophysics
2011
The excitation of 5-min oscillations in the solar corona
Zaqarashvili, T. V. ; Murawski, K. ; Khodachenko, M. L. ; Lee, D.
Astronomy \& Astrophysics
529
2011
Numerical Simulations of the Attenuation of the\ Fundamental Slow Magnetoacoustic Standing Mode in a Gravitationally Stratified Solar Coronal Arcade
Konkol, P. ; Murawski, K. ; Lee, D. ; Weide, K.
Astronomy & Astrophysics
521
A34+
2010