Center for Extended MHD Modeling (CEMM)

a SciDAC activity based on extensions and applications of the NIMROD and M3D codes

**PROJECT PAGE**

- 2012 APS Poster by Linda Sugiyama on "Finite Time Lyapunov Exponents for Magnetically Confined Plasmas" Part1 Part2 Part3
- The Internal Kink Mode and Giant Sawteeth in Tokamaks--Dalton D. Schnack (updated 3/06/12)
- Preprint--ITG-like Instability in the Two-fluid Model in Slab Geometry--D.D.Schnack, D. C. Barnes, P.Zhu, C. Hegna, C. Sovinec(2011)
- Preprint--Multiple timescale calculations of sawteeth and other global macroscopic dynamics of tokamak plasmas--S. Jardin(2011)
- Report--Stability study of the cylindrical tokamak--Thomas Scaffidi(2011)
- Preprint--Fluid and Drift-Kinetic Description of a Magnetized Plasma with Low Collisionality and Slow Dynamics Orderings. II: Ion Theory--J. Ramos (2011)
- As Published--Review of Implicit Methods for the Magnetohydrodynamic Description of Magnetically Confined Plasmas--S. Jardin (2010)
- High-S Resistive MHD Calculations with M3D-C1 (2009)
- Preprint--Wall forces produced during ITER disruptions--H. Strauss, R. Paccagnella, J. Breslau (2010)
- Preprint--Ideal and Resistive Edge Stability Calculations with M3D-C1-- N. Ferraro, S. Jardin, P. Snyder (April 2010)
- Magnetic X-points, stochasticity, and Edge Loalized Modes--Linda Sugiyama (3/16/10)
- Calculating electron cyclotron current drive stabilization of resistive tearing modes in a nonlinear MHD model--T.G. Jenkins, S. E. Kruger, C.C. Hegna, D.D. Schnack, C. R. Sovinec (Aug 2009)
- Viscous Forces Due to Collisional Parallel Stresses for Extended MHD Codes-- J.D. Callen [UW-CPTC 009-6R] (Feb 2010)
- Some properties of the M3D-C1 form of the 3D MHD equations-- J. Breslau, N. Ferraro, S. Jardin (July 2009)
- Magnetic X-points, stochasticity, and Edge Localized Modes -- L. Sugiyama (SciDAC 2009)
- NF Article: " 3D MHD VDE and disruptions simulations of tokamak plasmas including some ITER scenarios" , by R. Paccagnella, H. Strauss, and J. Breslau (02/19/09)
- Non-Ideal effects on the stability and Transport of Magnetized Plasmas--PhD Thesis by Nate Ferraro (11/04/08)
- Progress report on the two-fluid theory of the tearing mode--J.J.Ramos (March 2008)
- Computational Study of the Internal Kind Mode Evolution and Associated Magnetic Reconnection Phenomena (PhD.Thesis-- V.Lukin) (Jan 2008)
- An Improved Tokamak Sawtooth Benchmark for 3D Nonlinear MHD (J. Breslau, C. Sovinec, S. Jardin, 2007)
- Axisymmetric Interchange Calculations with NIMROD (C.Sovinec 01/09/07)
- A High-Order Implicit Finite Element Method for Integrating the Extended-Magneto-Hydrodynamic Equations in Two Dimensions (PPPL-4209- S.Jardin,J.Breslau,N.Ferraro 1/08/07)
- Fluid Theory of Magnetized Plasma DYnamics at Low Collisionality (J. J. Ramos 12/14/06)
- On Pfirsch-Schluter flows in MHD codes (S.Jardin 11/07/06)
- GEM Magnetic Reconnection test problem for Code Comparison and Benchmarking
- preprint: "Finite Element Implementation of Braginskii's Gyroviscous Stress with Application to the Gravitational Instability", by N.M.Ferraro and S.C. Jardin)pdf
- Suggestions for 2-fluid Test Problems from Oct 2005 CEMM Meeting
- preprint: "Gravitational Instability as a Test Case for Extended MHD Computations" (August 2005 (revised 9/17/05)), by D. D. Schnack)pdf
- preprint: "Effect of Compressibility on the two-fluid Gravitational Interchange Instability" (10 Feb 2006), by D. D. Schnack)pdf
- MATT-523:"Interpretation of Experiments on Collisional Drift Modes", by B. Coppi, et al (1967) MATT_523
- Some supporting algebra (S.Jardin)
- "Two-fluid tearing instability in force-free magnetic cocnfiguration", by Mirnov VV, Hegna CC, Prager SC, Phys Plasmas 11 4468 (2004) paper
- preprint: "The Effect of Heat Stress on the Propagation of Sound Waves in a Uniform Magnetized Plasma within the Extended MHD Model" (August 2005, by D. D. Schnack)pdf
- preprint: "What are Closures" (August 2005, by J.D. Callen)pdf
- preprint: "General Expression of the Gyroviscous Force" (June 2005) (By , J.Ramos) pdf
- memo: "Coordinate-free form of Braginskii Gyro-viscous Stress" (Mar 2005) (By , J.Ramos) pdf
- preprint: "Dynamics of the Major Disruption of the DIII-D Plasma" (Nov 2004) (By , S.Kruger) pdf
- CEMM Proposal submitted March 19, 2004 pdf
- preprint: "Implicit solution of the 4-field extended-MHD equations using high-order high-continuity finite elements" (Nov 2004) (By , S.C. Jardin and J. Breslau) pdf
- preprint: "Gyrokinetic delta-f simulation of the collisionless and semi-collisional tearing mode instability" (8/13/04) (By , W. Wan, Y. Chen, and S. E. Parker) pdf
- preprint: "NIMROD Scaling Information for Nonlinear Tokamak Simulations using Super-LU" (8/13/04) (By , Carl Sovinec, U. Wisc.) pdf
- preprint: "Fluid Formalism for Collisionless Magnetized Plasmas" (Aug 2004) (By , Jesus J. Ramos) pdf
- preprint: "Two-Dimensional simulation of pellet ablation with atomic processes" (Aug 2004) (By , Ishizaki, Parks, Nakajima, and Okamoto)
- Review of the literature on the Sawtooth Oscillation/Instability in Tokamaks (provided by S.Jardin)PS or pdf
- Formulation of the Resistive Wall Boundary Conditions in NIMROD (by D.D. Schnack and S.E. Kruger, Jan. 2003 [posted Aug 18, 2003]) pdf
- Ordered Fluid Equations (by D.D. Schnack, Aug. 2003 [Rev 2: Aug 14]) pdf
- Ordered Fluid Equations II (by D.D. Schnack, Feb. 2004) pdf
- Some Dispersion Properties of the Gyro-Viscous Fluid Equations in a Univofm Medium (by D.D. Schnack, Jan. 2004) pdf
- NIMROD JCP paper submission (rev 2) (by C.Sovinec, et. al., Aug. 2003 [Rev 2: Aug 14]) pdf
- CEMM Challenge Problems for Advanced Numerical Algorithms (Rev 2: 8/30/03) pdf
- preprint: "A Triangular Finite Element with First-Derivative Continuity Applied to Fusion MHD Applications" (1/29/04) (By S. Jardin) pdf
- preprint: "MHD Simulations with Resistive Wall and Magnetic Separatrix " (3/19/04) (By H. Strauss, et al) pdf pdf
- Definition and status of the Original Testproblems(2001)
- CEMM Proposal submitted March 15, 2001 html or pdf
- Summary of Callen/Hegna Neoclassical Tearing Mode discussion (Nov. 2000) HTML or pdf
- Comments on the 2-fluid equations in Sugiyama and Park, Phys. Plasmas, Vol 7, page 4644 (2000) (by S.Jardin)PS or pdf
- Final Report from the FESAC Subcommittee on Integrated Modeling and Optimization of Fusion Systems. pdf version of final report and pdf version of report Appendix

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Last modified on 10 Jan 2011.
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please email contributions to jardin@pppl.gov