Struphy perturbation · physical basis

RestelliAnalyticSolutionVelocity

Coordinate slices

The sampled perturbation value across the three logical coordinate planes.

Perturbation value ueta1–eta2 · 1.29e+0 to 8.12e+1

Perturbation value ueta1–eta3 · 8.66e-1 to 5.15e+0

Perturbation value ueta2–eta3 · 2.59e-1 to 5.59e+0

eta1 · other coordinates fixed at 0.5

eta2 · other coordinates fixed at 0.5

eta3 · other coordinates fixed at 0.5

Parameter	Value	Description
`a`	`1`	Minor radius of torus (default: 1.).
`R0`	`2`	Major radius of torus (default: 2.).
`B0`	`10`	On-axis (r=0) toroidal magnetic field (default: 10.).
`Bp`	`12.5`	Poloidal magnetic field (default: 12.5).
`alpha`	`0.1`	(default: 0.1)
`beta`	`1`	(default: 1.0)
`comp`	`0`	Which component (0, 1 or 2) of vector is perturbed (=0 for scalar-valued functions) References ---------- [1] Juan Vicente Gutiérrez-Santacreu, Omar Maj, Marco Restelli: Finite element discretization of a Stokes-like model arising in plasma physics, Journal of Computational Physics 2018.