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G. von Nessi

Researcher at Australian National University

Publications -  21
Citations -  401

G. von Nessi is an academic researcher from Australian National University. The author has contributed to research in topics: Bayesian inference & Spherical tokamak. The author has an hindex of 10, co-authored 21 publications receiving 319 citations.

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Computation of multi-region relaxed magnetohydrodynamic equilibria

TL;DR: In this paper, the authors describe the construction of stepped-pressure equilibria as extrema of a multi-region, relaxed magnetohydrodynamic (MHD) energy functional that combines elements of ideal MHD and Taylor relaxation, and which they call MRXMHD.
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Identifying the impact of rotation, anisotropy, and energetic particle physics in tokamaks

TL;DR: In this article, the effects of poloidal and toroidal rotation and anisotropy in tokamaks were investigated using a Bayesian inference framework, and it was shown that the effect of consistent pressure profile consistent with internal measurements such as charge exchange recombination spectroscopy and Thomson scattering has a much larger impact.
Journal ArticleDOI

Computation of multi-region relaxed magnetohydrodynamic equilibria

TL;DR: In this article, the authors describe the construction of stepped-pressure equilibria as extrema of a multi-region, relaxed magnetohydrodynamic (MHD) energy functional that combines elements of ideal MHD and Taylor relaxation, and which they call MRXMHD.
Journal ArticleDOI

Evidence cross-validation and Bayesian inference of MAST plasma equilibria

TL;DR: In this article, the authors jointly funded by the Australian Government through International Science Linkages Grant No.CG130047, the Australian National University, the United Kingdom Engineering and Physical Sciences Research Council under Grant No EP/G003955, and by the European Communities under the contract of Association between EURATOM and CCFE.
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Hamilton–Jacobi theory for continuation of magnetic field across a toroidal surface supporting a plasma pressure discontinuity

TL;DR: In this article, it is argued from the Birkhoff theorem that existence of such an invariant torus is also sufficient for continuation to be possible, and an important corollary is that the rotational transform of the continued field on a surface of discontinuity must, generically, be irrational.