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Mikhail Dorf edited this page Oct 8, 2025 · 39 revisions

Publications

  1. Semi-implicit continuum kinetic modeling of weakly collisional parallel transport in a magnetic mirror M. Dorf, M. Dorr, V. Geyko, D. Ghosh, M. Umansky, and J. Angus, Phys. Plasmas 32, 103903 (2025).
  2. Implicit full-F simulations of neoclassical ion transport M. Dorf, M. Dorr, D. Ghosh, M. Umansky, and V. Soukhanovskii, Phys. Plasmas 32, 083904 (2025).
  3. A COGENT case study: Supporting Applications with Chombo D. Martin, M. Dorr, M. Dorf, and L. Ricketson, arXiv:2508.00375 (2025).
  4. Drift kinetic electrostatic simulations of the edge localized mode heat pulse V. I. Geyko, I. Joseph, M. A. Dorf, D. Ghosh, and M. R. Dorr, Phys. Plasmas 31, 123903 (2024).
  5. Development of an implicit electromagnetic capability for a hybrid gyrokinetic ion - fluid electron model M. Dorf, M. Dorr, and D. Ghosh, Contrib. Plasma Phys. (2024); e202300114. https://doi.org/10.1002/ctpp.202300114
  6. A hybrid gyrokinetic ion – fluid electron model for edge plasma simulations M. Dorf, M. Dorr, D. Ghosh, and M. Umansky, 29th IAEA Fusion Energy Conference (FEC 2023), October 16-21, London, UK.
  7. Implementation and verification of a model linearized multi-species collision operator in the COGENT code A.R. Knyazev, M. Dorf, and S.I. Krasheninnikov, Comput. Phys. Commun. 291, 108829 (2023).
  8. Modelling of electrostatic ion-scale turbulence in divertor tokamaks with the gyrokinetic code COGENT M. Dorf and M. Dorr, Contrib. Plasma Phys. (2022); e202100162. https://doi.org/10.1002/ctpp.202100162
  9. On Preconditioning for the Two-Field Neutral Model J. Christopher, A. Davis, D. Ghosh, M. Dorf, M. Dorr, L. Ricketson, and X. Gao AIAA Paper 2022-1108, AIAA SCITECH 2022 Forum, January 3-7, 2022 San Diego, CA & Virtual. https://doi.org/10.2514/6.2022-1108
  10. Continuum Gyrokinetic Simulations of Edge Plasmas in Single-Null Geometries M. Dorf and M. Dorr, Phys. Plasmas, 28, 032508 (2021).
  11. Gyrokinetic and extended-MHD simulations of a flow shear stabilized Z-pinch experiment V. Geyko, J. Angus, and M. Dorf, Phys. Plasmas, 28, 052113 (2021).
  12. Progress with the 5D full-F continuum gyrokinetic code COGENT M. Dorf and M. Dorr, Contrib. Plasma Phys. (2020); e201900113. https://doi.org/10.1002/ctpp.201900113.
  13. Gyrokinetic simulations of m=0 mode in sheared flow Z-pinch plasmas V. Geyko, M. Dorf, and J. Angus, Phys. Plasmas, 26, 062114 (2019).
  14. Simulation of edge localized mode heat pulse using drift-kinetic ions and Boltzmann electrons I. Joseph, M. A. Dorf and M. R. Dorr, Nucl. Mater. Energy 19, 330 (2019).
  15. Simulation of cross-separatrix edge plasma transport with the continuum gyrokinetic code COGENT M. Dorf, M. Dorr, D. Ghosh, J. Hittinger, M. Umansky, J. Angus, and A. Pankin, 27th IAEA Fusion Energy Conference (FEC 2018), October 22-27, Gandhinagar, India.
  16. Continuum kinetic modeling of cross-separatrix plasma transport in a tokamak edge including self-consistent electric fields M. Dorf and M. Dorr, Contrib. Plasma Phys. 58, 434 (2018).
  17. Verification of 5D continuum gyrokinetic code COGENT: Studies of kinetic drift wave instability W. Lee M. A. Dorf M. R. Dorr R. H. Cohen T. D. Rognlien J. A. F. Hittinger M. V. Umansky S. I. Krasheninnikov Contrib. Plasma Phys. 58, 445 (2018).
  18. Implicit-Explicit Time Integration for the Vlasov-Fokker-Planck Equations D. Ghosh, M. Dorf, J. Hittinger, M. Dorr, AIAA Paper 2017-4016, 48th AIAA Plasmadynamics and Lasers Conference, June 5-9, 2017, Denver, CO, doi:10.2514/6.2017-4016
  19. Kinetic Simulation of Collisional Magnetized Plasmas with Semi-Implicit Time Integration D. Ghosh, M. A. Dorf, M. R. Dorr, and J. Hittinger, J. Sci. Comput. 77, 2 (2018), pp. 819-849, doi.org/10.1007/s10915-018- 0726-6.
  20. High-order Discretization of a Gyrokinetic Vlasov Model in Edge Plasma Geometry M. R. Dorr, P. Colella, M. A. Dorf, D. Ghosh, J. A. F. Hittinger, and P. O. Schwartz, J. Comput. Phys. 373, 15 (2018), pp. 605-630, doi.org/10.1016/j.jcp.2018.07.008.
  21. High-order finite-volume modeling of drift waves M. Dorf, M. Dorr, J. Hittinger, W. Lee, and D. Ghosh, J. Comput. Phys. 373, 15 (2018), pp. 446-545, doi.org/10.1016/j.jcp.2018.07.009.
  22. Continuum kinetic modeling of the tokamak plasma edge M. A. Dorf, M. R. Dorr, J. A. Hittinger, R. H. Cohen, and T. D. Rognlien, Phys. Plasmas 23, 056102 (2016).
  23. High-order finite-volume methods for hyperbolic conservation laws on mapped multiblock grids P. McCorquodale, M. R. Dorr, J. A. F. Hittinger, and P. Colella, J. Comput. Phys. 288, 181 (2015).
  24. Progress with the COGENT Edge Kinetic Code: Implementing the Fokker-Planck Collision Operator M. A. Dorf, R. H. Cohen, M. Dorr, J. Hittinger, and T. D. Rognlien, Contrib. Plasma Phys. 54, 517 (2014).
  25. On the applicability of the standard approaches for evaluating a neoclassical radial electric field in a tokamak edge region M. A. Dorf, R. H. Cohen, A. N. Simakov, and I. Joseph, Phys. Plasmas 20, 082515 (2013).
  26. Simulation of neoclassical transport with the continuum gyrokinetic code COGENT M. A. Dorf, R. H. Cohen, M. Dorr, T. Rognlien, J. Hittinger, J. Compton, P. Colella, D. Martin, and P. McCorquodale, Phys. Plasmas 20, 012513 (2013).
  27. Numerical modelling of geodesic acoustic mode relaxation in a tokamak edge M. A. Dorf, R. H. Cohen, M. Dorr, T. Rognlien, J. Hittinger, J. Compton, P. Colella, D. Martin, and P. McCorquodale, Nucl. Fusion 53, 063015 (2013).
  28. Reduced Electron Models for Edge Simulation R. H. Cohen, M. A. Dorf, and M. Dorr, Contrib. Plasma Phys. 52, 529 (2012).
  29. Progress with the COGENT Edge Kinetic Code: Collision Operator Options M. A. Dorf, R. H. Cohen, J. Compton, M. Dorr, J. Compton, T. Rognlien, J. Angus, S. Krasheninnikov, P. Colella, D. Martin, and P. McCorquodale, Contrib. Plasma Phys. 52, 518 (2012).
  30. High-order, finite-volume methods in mapped coordinates P. Colella, M. R. Dorr, J. A. F. Hittinger, and D. F. Martin, J. Comput. Phys. 230, 2952 (2011).
  31. Numerical Simulation of Phase Space Advection in Gyrokinetic Models of Fusion Plasmas M. R. Dorr, R. H. Cohen, P. Colella, M. A. Dorf, J. A. F. Hittinger, and D. F. Martin, in Proceedings of the SciDAC 2010 Conference, Tennessee, 2010

PhD Theses

  1. Topics in kinetics of tokamak edge plasma and laser-plasma interactions A. Knyazev, PhD thesis, University of California, San Diego (2023).
  2. Electromagnetic and Kinetic Effects on Blob-filamentary Plasma Structures in Magnetic Confinement Devices W. Lee, PhD thesis, University of California, San Diego (2017).
  3. On Anomalous Plasma Transport in The Edge of Magnetic Confinement Devices J. Angus, PhD thesis, University of California, San Diego (2012).

Selected presentations

  1. Implicit simulations of collisional transport in magnetized plasmas with the continuum gyrokinetic code COGENT M. Dorf, M. Dorr, D. Ghosh, M. Umansky, V. Geyko, J. Angus, and V. Soukhanovskii, Sherwood Fusion Theory Conference, 2025.
  2. A semi-implicit gyrokinetc ion – fluid electron hybrid model for edge plasma simulations M. Dorf, M. Dorr, and D. Ghosh, PASC Conference, 2024.
  3. Progress in High-Resolution Methods for Continuum Kinetic Models in COGENT L. Ricketson, M. Dorr, M. Dorf, D. Ghosh, P. Tranquilli, D. Martin, P. Colella, and C. Bozhart, DOE ASCR PI meeting, 2024.
  4. A hybrid gyrokinetic ion – fluid electron model for edge plasma simulations M. Dorf, M. Dorr, D. Ghosh, and M. Umansky, 29th IAEA FEC, 2023.
  5. Continuum kinetic simulations of tokamak edge plasmas with COGENT L. Ricketson, M. Dorr, M. Dorf, and D. Ghosh, PASC Conference, 2022.
  6. Continuum Gyrokinetic Simulations of Edge Plasmas in Single-Null Geometries M. Dorf, 62nd APS-DPP meeting (invited), 2020.
  7. Gyrokinetic Simulations of Drift-Wave Instabilities in Flow-Stabilized Z-pinch plasmas M. Dorf, J. Angus, and D. Ghosh 45th ICOPS conference, 2018.
  8. Continuum kinetic modeling of the tokamak plasma edge M. Dorf, 57th APS-DPP meeting (invited), 2015.

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