### Eric Held

**Program Years:**1995-1999**Academic Institution:**University of Wisconsin**Field of Study:**Engineering Physics**Academic Advisor:**James Callen**Practicum(s):**

Oak Ridge National Laboratory (1996)**Degree(s):**

Ph.D. Engineering Physics, University of Wisconsin-Madison, 1999

M.S. Nuclear Engineering, and M.A. Physics, University of Wisconsin-Madison, 1997

B.A. Math, B.A. German, and B.S. Engineering Physics, South Dakota State University, 1994

#### Current Status

**Status:**Professor, Physics Department, Utah State University**Research Area:**Plasma/Fusion Theory**Personal URL:**http://www.physics.usu.edu/held/eh.htm**Contact Information:**eric.held@usu.edu

#### Publications

T. G. Jenkins and E. D. Held, ``Coupling extended magnetohydrodynamic fluidcodes with radiofrequency ray tracing codes for fusion modeling",

{em J. Comp. Phys}, {f 297}, 427 (2015).

E. D. Held, S. E. Kruger, J.-Y. Ji, E. A. Belli and B. C. Lyons,

``Verification of continuum drift kinetic equation solvers in NIMROD",

{em Phys. Plasmas}, {f 22}, 032511 (2015).

J.-Y. Ji and E. D. Held, ``A framework for moment equations for magnetized plasmas", {em Phys. Plasmas}, {f 21}, 042102 (2014).

J.-Y. Ji and E. D. Held, ``Electron parallel closures for arbitrary collisionality", {em Phys. Plasmas}, {f 21}, 122115 (2014).

M. G. Schlutt, C. C. Hegna, C. R. Sovinec, E. D. Held, and S. E. Kruger,

``Self-consistent simulations of nonlinear magnetohydrodynamics and profile

evolution in stellarator configurations",

{em Phys. Plasmas}, {f 20}, 056104 (2013).

J.-Y. Ji, E. D. Held, and H. Jhang, ``Linearly exact parallel closures for slab geometryâ€, {em Phys. Plasmas}, {f 20}, 082121 (2013).

J.-Y. Ji and E. D. Held, ``Closure and transport theory for high-collisionality

electron-ion plasmasâ€, {em Phys. Plasmas}, {f 20}, 042114 (2013).

J. Andrew Spencer, J.-Y. Ji and E. D. Held, ``A Finite Element/Fourier Treatment of the Fokker-Planck Equation", {em J. Comp. Phys}, {f 231}, 6192 (2012).

J.-Y. Ji, E. D. Held, and C. R. Sovinec, ``Moment approach to deriving

parallel heat flux for general collisionalityâ€,

{em Phys. Plasmas}, {f 16}, 022312 (2009).

J.-Y. Ji and E. D. Held, ``Collision operators and general moment equations for

an electron-ion plasmaâ€, {em Phys. Plasmas} {f 15}, 102101 (2008).

Jeong-Young Ji and Eric D. Held, "Exact Linearized Coulomb Collision Operator in the Moment Expansion", Phys. Plasmas, 13, 102103 (2006).

D. Schnack, D. C. Barnes, D.P. Brennan, C. C. Hegna, E. Held, C. C. Kim, S. E. Kruger, A. Y. Pankin, and C. R. Sovinec, "Computational Modelling of Fully Ionized Magnetized Plasmas using the Fluid Approximation", Phys. Plasmas, 13, 058103 (2006).

W. F. Edwards and E. D. Held, "Stationary Equilibria of Two Fluid Plasmas Having Significant, Internal, Static Electric Fields", Phys. Rev. Lett., 11, 255001 (2004).

E. D. Held, J. D. Callen, C. C. Hegna, C. R. Sovinec, T. A. Gianakon, and S. E. Kruger, "Nonlocal Closures for Plasma Fluid Simulations," Phys. Plasmas, 11 (2419) 2004.

S. E. Kruger, C. R. Sovinec, D. D. Schnack, and E. D. Held, "Free Boundary Simulations of a DIII-D Plasma with the NIMROD Code", Comput. Phys. Comm. 164, 34 (2004).

C. R. Sovinec, T. A. Gianakon, E. Held, S. E. Kruger, D. D. Schnack, and the NIMROD Team, "NIMROD: A Computational Laboratory for Studying Nonlinear Fusion Magnetohydrodynamics", Phys. Plasmas 10, 1727 (2003).

E. D. Held, "Unified Form for Parallel Ion Viscous Stress in Magnetized Plasmas," Phys. Plasmas, 10 (4708) 2003.

E. D. Held, J. D. Callen, and C. C. Hegna, "Conductive Electron Heat Flow along an Inhomogeneous Magnetic Field," Phys. Plasmas, 10 (3933) 2003.

E. D. Held, J. D. Callen, C. C. Hegna, and C. R. Sovinec, "Conductive Electron Heat Flow along Magnetic Field Lines," Phys. Plasmas, 8 (1171) 2001.

E. D. Held, J. N. Leboeuf and B. A. Carreras, "MHD Calculations with a Nonmonotonic q Profile and Equilibrium, Sheared Toroidal Flow," Physics of Plasmas, 6 (837) (1999).

#### Awards

DOE Junior Faculty in Plasma Physics AwardDOE Fusion Energy Postdoctoral Fellow

DOE Computational Science Graduate Fellow

NSF Math and Computer-Aided Engineering Fellow

Barry Goldwater Scholar

Huron Hockey Hall of Fame Inductee