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- SimulationsA. M. Dimits, Michael A. Beer, +16 authors John Mandrekas
- 1999

The predictions of gyrokinetic and gyrofluid simulations of ion-temperature-gradient (ITG) instability and turbulence in tokamak plasmas as well as some tokamak plasma thermal transport models, whichâ€¦ (More)

- Andris M. Dimits, Chiaming Wang, Russel E. Caflisch, Bruce I. Cohen, Yanghong Huang
- J. Comput. Physics
- 2009

We investigate the accuracy of and assumptions underlying the numerical binary Monte Carlo collision operator due to Nanbu [K. Nanbu, Phys. Rev. E 55 (1997) 4642]. The numerical experiments thatâ€¦ (More)

- Carl R. Sovinec, Bruce I. Cohen, Gemma Cone, E. Bickford Hooper, H S McLean
- Physical review letters
- 2005

Nonlinear plasma simulations of the Sustained Spheromak Physics Experiment demonstrate the role of transient effects in establishing a toroidal magnetic structure that confines internal energy.â€¦ (More)

- Russel E. Caflisch, Chiaming Wang, Giacomo Dimarco, Bruce I. Cohen, Andris M. Dimits
- Multiscale Modeling & Simulation
- 2008

If the collisional time scale for Coulomb collisions is comparable to the characteristic time scales for a plasma, then simulation of Coulomb collisions may be important for computation of kineticâ€¦ (More)

A new electromagnetic kinetic electron d f particle simulation model has been demonstrated to work well at large values of plasma b times the ion-to-electron mass ratio @Y. Chen and S. E. Parker, J.â€¦ (More)

Two-dimensional Vlasov simulations of nonlinear electron plasma waves are presented, in which the interplay of linear and nonlinear kinetic effects is evident. The plasma wave is created with anâ€¦ (More)

- Bruce I. Cohen, Andris M. Dimits, David J. Strozzi
- J. Comput. Physics
- 2013

- Bruce I. Cohen, Andris M. Dimits, Alex Friedman, Russel E. Caflisch
- IEEE Transactions on Plasma Science
- 2010

The accuracy of first-order Euler and higher-order time-integration algorithms for grid-based Langevin equations collision models in a specific relaxation test problem is assessed. We show thatâ€¦ (More)

- M. S. Rosin, L. F. Ricketson, Andris M. Dimits, Russel E. Caflisch, Bruce I. Cohen
- J. Comput. Physics
- 2014

Article history: Received 16 October 2013 Received in revised form 20 May 2014 Accepted 22 May 2014 Available online 29 May 2014

- Andris M. Dimits, Bruce I. Cohen, Russel E. Caflisch, M. S. Rosin, L. F. Ricketson
- J. Comput. Physics
- 2013

Article history: Received 31 August 2012 Accepted 26 January 2013 Available online 8 February 2013