Andris Dimits

Research Staff
Physics Division
Email: dimits1@llnl.gov
Phone: +19254220211

Education

  • Postdoctoral Research Associate, University of Maryland, College Park, MD, 1988–1990
  • Postdoctoral Appointee, Lawrence Livermore National Lab, 1990–1992
  • Ph.D., Astrophysical Sciences, Princeton University, 1988
  • M.A., Astrophysical Sciences, Princeton University, 1984
  • B.Sc. with Honours, Physics, Melbourne University, 1981

Research Interests

Andris Dimits is a theoretical and computational physicist and one of the originators of the δf method with interests and experience in

  • Direct simulation and turbulence closures for fluids
  • High energy density physics including instabilities in radiative hydrodynamics
  • Kinetic and fluid simulation techniques for plasmas including derivation, implementation, and application of gyrokinetic models
  • Magnetic fusion plasmas
  • Nonlinear plasma dynamics 

Selected Publications

  1. A.M. Dimits and W.W. Lee, "Partially Linearized Algorithms in Gyrokinetic Particle Simulation", J. Comput. Phys. 107, 309 (1993).
  2. A.M. Dimits and B.I. Cohen,"Collision Operators for Partially Linearized Particle Simulation Codes", Phys. Re. E49, 709 (1994).
  3. A.M. Dimits, G. Bateman, et al., "Comparisons and Physics Basis of Tokamak Transport Models and Turbulence Simulations", Phys. Plasmas, 7, 969, (2000).
  4. A.M. Dimits, B.I. Cohen, W.M. Nevins, D.E. Shumaker, "Parameter Dependences of Ion Thermal Transport due to Toroidal ITG Turbulence", Nucl. Fusion, 41, 1725, (2001).
  5. G. Dimonte, D.L. Youngs, A.M. Dimitset al., "A Comparative Study of the Turbulent Rayleigh Taylor Instability using High Resolution Three Dimensional Numerical Simulations: The Alpha Group Collaboration", Phys. Fluids, 16, 1668, (2004).
  6. W.M. Nevins, G.W. Hammett, A.M. Dimits, W. Dorland, D.E. Shumaker, "Discrete Particle Noise in Particle in Cell Simulations of Plasma Microturbulence", Phys. Plasmas, 12, 122305, (2005).
  7. W.M. Nevins, J. Candy, S. Cowley, T. Dannert, A. Dimitset al., "A Gyrokinetic Benchmarking of Electron Temperature Gradient Turbulence", Phys. Plasmas 13, 122306 (2006).
  8. A.M. Dimits, W.M. Nevins, et al., "Gyrokinetic Simulations of ETG and ITG Turbulence", Nuclear Fusion 47, 817 (2007).
  9. R. Caflisch, C.M. Wang, G. Dimarco, B. Cohen, and A. Dimits, "A Hybrid Method for Accelerated Simulation of Coulomb Collisions in a Plasma", Multiscale Modeling and Simulation 7, 865 (2008).
  10. A.M. Dimits, C.M. Wang, R. Caflisch, B. Cohen and Y. Huang, "Understanding the accuracy of Nanbu's numerical Coulomb collision operator", J. Comput. Phys. 228, 4881 (2009).