Gregory W. Hammett     Phone: (609) 243-2495 Fax: (609) 243-2662 E-mail: hammett@pppl.gov Web: http://w3.pppl.gov/~hammett

RESEARCH INTERESTS:

• Plasma turbulence: Nonlinear 3D simulations on  parallel supercomputers
• Gyrokinetics and gyrofluids: theory of reduced descriptions of nonlinear processes
• Analysis and modeling of fusion experiments

PH.D. THESES SUPERVISED:

• Dorland, William D., "Gyrofluid Models of Plasma Turbulence" , (November, 1993).
• Beer, Michael A.,  "Gyrofluid Models of Turbulent Transport in Tokamaks" (January, 1995). 1996 Outstanding Ph.D. Thesis Award.
• Smith, Stephen A., "Dissipative Closures for Statistical Moments, Fluid Moments, and Subgrid Scales in Plasma Turbulence" , (November , 1997).
• Snyder, Philip B., "Electromagnetic gyrofluid simulations of tokamak plasma turbulence", (in progress).

RECENT PUBLICATIONS (examples):

• "Theory Based Models of Turbulence and Anomalous Transport", G.W. Hammett, invited talk, American Physical Society Centennial Meeting (Atlanta, 1999), to be submitted to Physics of Plasmas.
• "Landau fluid models of collisionless magnetohydrodynamics", P.B. Snyder, G.W. Hammett, and W. Dorland, Phys. Plasmas 4, 3974 (1997)
•  "Bounce Averaged Trapped Electron Fluid Equations for Plasma Turbulence", M. A. Beer and G. W. Hammett, Phys. Plasmas, Vol. 3, No. 11, November 1996, pages 4018-4022.
• "Quantitative Predictions of Tokamak Energy Confinement from First-Principles Simulations with Kinetic Effects", M. Kotschenreuther, W. Dorland, M. A. Beer, and G. W. Hammett, Phys. Plasmas, Vol. 2, No. 6, June 1995, pages 2381-2389.
• "Developments in the Gyrofluid Approach to Tokamak Turbulence Simulations", G. W. Hammett, M. A. Beer, W. Dorland, S. C. Cowley, and S. A. Smith, Plasma Phys. Control. Fusion , Vol. 35, 1993, pages 973-985. Invited talk at the 1993 International Sherwood Fusion Theory Conference.
• "Fluid Models of Phase Mixing, Landau Damping, and Nonlinear Gyrokinetic Dynamics," G. W. Hammett, W. Dorland and F. W. Perkins, Physics of Fluids B, 4 (2052) 1992. APS-DPP 1991 invited talk.
• "Fluid Models for Landau Damping with Application to the Ion-Temperature-Gradient Instability," G.W. Hammett and F.W. Perkins, Phys. Rev. Lett. 64, 3019 (1990).