Areas of expertise

• Plasma Physics; Fusion Plasmas; Electrical Discharges 020204
• Thermodynamics And Statistical Physics 020304
• Dynamical Systems In Applications 010204
• Numerical Solution Of Differential And Integral Equations 010302
• Applied Mathematics 0102
• Ordinary Differential Equations, Difference Equations And Dynamical Systems 010109
• Atomic, Molecular, Nuclear, Particle And Plasma Physics 0202
• Fluid Physics 020303

Publications

• Dewar, R, Hudson, S, Bhattacharjee, A et al 2017, 'Multi-region relaxed magnetohydrodynamics in plasmas with slowly changing boundaries --- resonant response of a plasma slab', Physics of Plasmas, vol. 24, no. 4, pp. 042507 (19pp).
• Dewar, R L, Tuen, L H & Hole, M J 2017, 'The spectrum of multi-region-relaxed magnetohydrodynamic modes in topologically toroidal geometry', Plasma Physics and Controlled Fusion, vol. 59, no. 4, pp. 044009-1--17. doi:10.1088/1361-6587/aa5b53
• Dewar, R & Hosking, R 2016, Fundamental Fluid Mechanics and Magnetohydrodynamics, Springer, Singapore.
• Dewar, R, Yoshida, Z, Bhattacharjee, A et al 2015, 'Variational formulation of relaxed and multi-region relaxed magnetohydrodynamics', Journal of Plasma Physics, vol. 81, no. 6, p. 515810604.
• Dennis, G, Hudson, S, Dewar, R et al 2014, 'Multi-region relaxed magnetohydrodynamics with anisotropy and flow', Physics of Plasmas, vol. 21, no. 7, pp. 072512/ 1-10.
• Dennis, G, Hudson, S, Dewar, R et al 2014, 'Multi-region relaxed magnetohydrodynamics with flow', Physics of Plasmas, vol. 21, no. 4, p. 9.
• Dennis, G, Hudson, S, Dewar, R et al 2013, 'The infinite interface limit of multiple-region relaxed magnetohydrodynamics', Physics of Plasmas, vol. 20, no. 3, pp. 032509/ 1-6.
• Dennis, G, Hudson, S, Terranova, D et al 2013, 'Minimally Constrained Model of Self-Organized Helical States in Reversed-Field Pinches', Physical Review Letters, vol. 111, no. 5, p. 055003.
• Dewar, R, Bhattacharjee, A, Kulsrud, R et al 2013, 'Plasmoid solutions of the Hahm-Kulsrud-Taylor equilibrium model', Physics of Plasmas, vol. 20, no. 8.
• Dewar, R, Hudson, S & Gibson, A 2013, 'Generalized action-angle coordinates defined on island chains', Plasma Physics and Controlled Fusion, vol. 55, no. 1, pp. 014004/1-5.
• Hudson, S, Dewar, R, Dennis, G et al 2012, 'Computation of multi-region relaxed magnetohydrodynamic equilibria', Physics of Plasmas, vol. 19, no. 11, pp. 112502/1-18.
• Dewar, R, Hudson, S & Gibson, A 2012, 'Action-gradient-minimizing pseudo-orbits and almost-invariant tori', Communications in Nonlinear Science and Numerical Simulation, vol. 17, no. 5, pp. 2062-2073.
• Dewar, R & Leykam, D 2012, 'Dressed test particles, oscillation centres and pseudo-orbits', Plasma Physics and Controlled Fusion, vol. 54, no. 1, p. 8.
• Barmaz, D, Cooper, W, McMillan, B et al 2012, 'Diamagnetic drift stabilized ballooning modes in a 3D heliotron', Plasma Physics and Controlled Fusion, vol. 54, no. 1, pp. 1-7.
• Hudson, S, Dewar, R, Hole, M et al 2012, 'Non-axisymmetric, multi-region relaxed magnetohydrodynamic equilibrium solutions', Plasma Physics and Controlled Fusion, vol. 54, no. 1, pp. 1-7.
• Yoshida, Z & Dewar, R 2012, 'Helical bifurcation and tearing mode in a plasma-a description based on Casimir foliation', Journal of Physics A: Mathematical and Theoretical, vol. 45, no. 36, p. 365502.
• Abdullatif, R & Dewar, R 2011, 'Derivation of the Nonlinear Schrödinger Equation by The Derivative Perturbation Expansion Method', International Journal of Basic & Applied Sciences (IJBAS-IJENS), vol. 11, no. 2, pp. 120-124.
• Bertram, J, Hole, M, Pretty, D et al 2011, 'A reduced global Alfven eigenmodes model for Mirnov array data on the H-1NF heliac', Plasma Physics and Controlled Fusion, vol. 53, no. 8, p. 14.
• Dewar, R, Hudson, S & Gibson, A 2010, 'Unified Theory of Ghost and Quadratic-Flux-Minimizing Surfaces', Journal of Plasma and Fusion Research, vol. 9, pp. 487-490.
• Hole, M, von Nessi Jr., G, Bertram, J et al 2010, 'Model Data Fusion: developing Bayesian inversion to constrain equilibrium and mode structure', Journal of Plasma and Fusion Research, vol. 9, pp. 479-486.
• Dewar, R 2010, 'The Screened Field of a Test Particle', in Bruce H J McKellar and Ken Amos (ed.), In Celebration of K C Hines, World Scientific Publishing Company, Singapore, pp. 47-73.
• Dewar, R & Detering PhD, F, eds, 2010, Complex Physical, Biophysical and Econophysical Systems, World Scientific Publishing Company, Singapore.
• McGann, M, Hudson, S, Dewar, R et al 2010, 'Hamilton-Jacobi theory for continuation of magnetic field across a toroidal surface supporting a plasma pressure discontinuity', Physics Letters A, vol. 374, no. 33, pp. 3308-3314.
• Hole, M, Mills, R, Hudson, S et al 2009, 'Relaxed MHD states of a multiple region plasma', Nuclear Fusion, vol. 49, no. 065019, p. 7.
• Hudson, S & Dewar, R 2009, 'Are ghost surfaces quadratic-flux-minimizing?', Physics Letters A, vol. 373, pp. 4409-4415.
• Dewar, R, Mills, R & Hole, M 2009, 'MHD memes', Plasma theory, wave kinetics, nonlinear dynamics: Kaufmanfest 2007, ed. IOP, Institute of Physics Publishing, USA, p. 8.
• Dewar, R & Yap, J 2009, 'Adiabatic Wave-Particle Interaction Revisited', Plasma and Fusion Research, vol. 4, no. 001, pp. 1-6.
• Mills, R, Hole, M & Dewar, R 2009, 'Magnetohydrodynamic stability of plasmas with ideal and relaxed regions', Journal of Plasma Physics, vol. 75, no. 5, pp. 637-659.
• Dewar, R, Hole, M, McGann, M et al 2008, 'Relaxed Plasma Equilibria and Entropy-Related Plasma Self-Organization Principles', Entropy, vol. 10, pp. 621-634.
• Blackwell, B, Pretty, D, Howard, J et al 2008, 'Configurational Effects on Stability and Confinement in the H-1NF Heliac', International Atomic Energy Agency Fusion Energy Conference (FEC 2008), International Atomic Energy Agency (IAEA), Geneva.
• Dewar, R, Nuehrnberg, C, Tatsuno, T et al 2007, 'Quantum Chaos? Genericity and Nongenericity in the MHD Spectrum of Nonaxisymmetric Toroidal Plasmas', Journal of the Korean Physical Society, vol. 50, no. 1, pp. 112-117.
• Dewar, R & Abdullatif, R 2007, 'Zonal Flow Generation by Modulational Instabiity', in Jim Denier & Jorgen Fredericksen (ed.), Frontiers in Turbulence and Coherent Structures: proceedings of the COSNet/CSIRO Workshop on Turbulence and Coherent Structures in Fluids, Plasmas and Nonlinear Media, World Scientific Publishing Company, New Jersey, USA, pp. 415-430.
• Numata, R, Ball, R & Dewar, R 2007, 'Bifurcation in Electrostatic Resistive Drift Wave Turbulence', Physics of Plasmas, vol. 14, pp. 102312 1-8.
• Numata, R, Ball, R & Dewar, R 2007, 'Nonlinear Simulation of Drift Wave Turbulence', in Jim Denier & Jorgen Fredericksen (ed.), Frontiers in Turbulence and Coherent Structures: proceedings of the COSNet/CSIRO Workshop on Turbulence and Coherent Structures in Fluids, Plasmas and Nonlinear Media, World Scientific Publishing Company, New Jersey, USA, pp. 431-442.
• Hole, M, Hudson, S & Dewar, R 2007, 'Equilibria and stability in partially relaxed plasma-vacuum systems', Nuclear Fusion, vol. 47, no. 8, pp. 746-753.
• Hudson, S, Hole, M & Dewar, R 2007, 'Eigenvalue problems for Beltrami fields arising in a three-dimensional toroidal magnetohydrodynamic equilibrium problem', Physics of Plasmas, vol. 14, pp. 052505 1-12.
• Hole, M, Hudson, S & Dewar, R 2006, 'Stepped Pressure Profile Equilibria in Cylindrical Plasmas via Partial Taylor Relaxation', Journal of Plasma Physics, vol. 72, no. 6, pp. 1167-1171.
• Dewar, R, Nuehrenberg, C & Tatsuno, T 2006, 'Quantum Chaos Analysis of the Ideal Interchange Spectrum in a Stellarator', Journal of Plasma Physics, vol. 72, no. 6, pp. 1239-1242.
• Hole, M, Hudson, S & Dewar, R 2006, 'Equilibria and stability in partially relaxed plasma-vacuum systems ', International Atomic Energy Agency Fusion Energy Conference (FEC 2006), Conference Organising Committee, Website.
• McMillan, B & Dewar, R 2006, 'Stellarator Stability with Respect to Global Kinetic Ballooning Modes', Nuclear Fusion, vol. 46, pp. 477-486.
• McMillan, B & Dewar, R 2005, 'Stability for Kinetic Ballooning Modes in Stellarators', National Congress Australian Institute of Physics 2005, ed. Max Colla, Australian Institute of Physics, Canberra, pp. 235-1-4.
• Dewar, R, McMillan, B & Kenny, B 2005, 'Spacing Statistics of Model Spectra Related to Farey Sequences', National Congress Australian Institute of Physics 2005, ed. Max Colla, Australian Institute of Physics, Canberra, pp. PTH 41.
• Dewar, R, Nuehrnberg, C & Tatsuno, T 2004, 'Quantum Chaos Theory and the Spectrum of Ideal-MHD Instabilities in Toroidal Plasmas', International Toki Conference (ITC 2004), ed. K. Ichiguchi, M. Yokoyama, T Hayashi, Japan Society of Plasma Science and Nuclear Fusion Research, Japan, pp. 40-44.
• Dewar, R & McMillan, B 2004, 'Finite Larmor Radius Effects and Quantum Chaos', International Congress on Plasma Physics (ICCP 2004), Conference Organising Committee, OnLine, pp. online.
• McMillan, B, Dewar, R & Storer, R 2004, 'A Comparison of Incompressible Limits for Resistive Plasmas', Plasma Physics and Controlled Fusion, vol. 46, pp. 1027-1038.
• Dewar, R, Abdullatif, R & Gnanapragasam, G 2004, 'Complex Nonlinear Lagrangian for the Hasegawa-Mima Equation', International Atomic Energy Agency Fusion Energy Conference (FEC 2004), ed. Guenter Mank & Artur Malaquias, International Atomic Energy Agency (IAEA), online, pp. P6-1.
• Dewar, R, Tatsuno, T, Yoshida, Z et al 2004, 'Statistical Characterization of the Interchange-Instability Spectrum of a Separable Ideal-Magnetohydrodynamic Model System', Physical Review E-Statistical, Nonlinear and Soft Matter Physics, vol. 70, no. 6, pp. 066409 (11).
• Dewar, R 2003, 'Spectrum of Global Ideal-magnetohydrodynamic Three-dimensional Ballooning Modes', Space Science Reviews, vol. 107, no. 1-2, pp. 349-352.
• McMillan, B, Dewar, R & Storer, R 2003, 'A Broken Degeneracy in the Resistive MHD Spectrum', in I.S. Falconer, R.L. Dewar, J. Khachan (ed.), Plasma Physics: Proceedings of the 11th International Congress on Plasma Physics, ICPP2002, American Institute of Physics (AIP), New York, pp. 577-580.
• Kendl, A, Scott, B, Ball, R et al 2003, 'Turbulent Edge Structure Formation in Complex Configurations', Physics of Plasmas, vol. 10, pp. 3684-3691.
• Ball, R, Dewar, R & Sugama, H 2003, 'Bifurcation and Metamorphosis of Plasma Turbulence-Shear Flow Dynamics: The Path to the Top of the Hill', in I.S. Falconer, R.L. Dewar, J. Khachan (ed.), Plasma Physics: Proceedings of the 11th International Congress on Plasma Physics, ICPP2002, American Institute of Physics (AIP), New York, pp. 711-714.
• Falconer, I, Dewar, R & Khachan, J, eds, 2003, Proceedings of the 11th International Congress on Plasma Physics, ICPP 2002, American Institute of Physics (AIP), New York.
• Redi, M, Johnson, J, Klasky, S et al 2002, 'Anderson Localization of Ballooning Modes, Quantum Chaos and the Stability of Compact Quasiaxially Symmetric Stellarators', Physics of Plasmas, vol. 9, no. 5, pp. 1990-1996.
• Dewar, R 2002, 'Asymptotology - A Cautionary Tale', ANZIAM Journal, vol. 44, pp. 33-40.
• Ball, R, Dewar, R & Sugama, H 2002, 'Metamorphosis of Plasma Turbulence-shear-flow Dynamics through a Transcritical Bifurcation', Physical Review E, vol. 66, no. 6, pp. 066408-1-9.
• Ball, R & Dewar, R 2001, 'A Walk in the Parameter Space of L-H Transitions without Stepping on or Through the Cracks', Journal of Plasma and Fusion Research, no. 4, pp. 266-270.
• Dewar, R, Cuthbert, P & Ball, R 2001, 'Strong "Quantum" Chaos in the Global Ballooning Mode Spectrum of Three-Dimensional Plasmas', Physical Review Letters, vol. 86, no. 11, pp. 2321-2324.
• Ball, R, Dewar, R & Sugama, H 2001, 'Symmetry and singularities in a low-dimensional model of a complex system. A back door approach to the physics of L-H transitions', IPELS-2001, ed. Sato, T., National Institute for Fusion Science, Toki, Japan, pp. 73-76.
• Dewar, R & Cuthbert, P 2000, 'Anderson Localization and Ballooning Eigenfunctions', Chinese Physics Letters, pp. 33-35.
• Cuthbert, P & Dewar, R 2000, 'Anderson-Localized Ballooning Modes in General Toroidal Plasmas', Physics of Plasmas, vol. 7, no. 6, pp. 2302-2305.
• Stewart, D & Dewar, R 2000, 'Non-Linear Dynamics', in Green, Terry R J Bossomaier & David G (ed.), Complex Systems, Cambridge University Press, Cambridge, pp. 165-249.
• Ball, R & Dewar, R 2000, 'Singularity Theory Study of Overdetermination in Models for L-H Transitions', Physical Review Letters, vol. 84, pp. 3077-3080.
• Hudson, S & Dewar, R 1999, 'Analysis of Perturbed Magnetic Fields via Construction of Nearby Integrable Fields', Physics of Plasmas, vol. 6, pp. 1532-1538.
• Dewar, R & Ciubotariu, C 1999, 'Quasilinear theory of collisionless Fermi Acceleration in a multicusp magnetic confinement geometry', Physical Review E-Statistical, Nonlinear and Soft Matter Physics, vol. 60, no. 6, pp. 7400-7411.
• Zimin, S, Cross, R & Dewar, R 1999, 'Overview of Australian Activities of Fusion Neutronics', Fusion Engineering and Design, vol. 45, pp. 117-126.

Projects and Grants

Grants information is drawn from ARIES. To add or update Projects or Grants information please contact your College Research Office.

• Multi-Region Relaxation Dynamics in Fusion and Stellar Plasmas (Primary Investigator)
• Anisotropy and flow in fast-particle dominated and burning tokamak plasmas: stability of ITER and the coming demonstration fusion power plant (Secondary Investigator)