Search Results - "JARDIN, S"

Self-Organized Stationary States of Tokamaks by Jardin, S C, Ferraro, N, Krebs, I

“…We demonstrate that in a 3D resistive magnetohydrodynamic simulation, for some parameters it is possible to form a stationary state in a tokamak where a…”
Get full text

Ideal MHD Limited Electron Temperature in Spherical Tokamaks by Jardin, S. C., Ferraro, N. M., Guttenfelder, W., Kaye, S. M., Munaretto, S.

“…It is well documented that the central electron temperature in the national spherical torus experiment (NSTX) remains largely unchanged as the external heating…”
Get full text

Review of implicit methods for the magnetohydrodynamic description of magnetically confined plasmas by Jardin, S.C.

“…Implicit algorithms are essential for predicting the slow growth and saturation of global instabilities in today’s magnetically confined fusion plasma…”
Get full text

Calculations of two-fluid magnetohydrodynamic axisymmetric steady-states by Ferraro, N.M., Jardin, S.C.

“…M3D- C 1 is an implicit, high-order finite element code for the solution of the time-dependent nonlinear two-fluid magnetohydrodynamic equations [S.C. Jardin,…”
Get full text

A high-order implicit finite element method for integrating the two-fluid magnetohydrodynamic equations in two dimensions by Jardin, S.C., Breslau, J., Ferraro, N.

“…We describe a new method for solving the time-dependent two-fluid magnetohydrodynamic (2F-MHD) equations in two dimensions that has significant advantages over…”
Get full text

A triangular finite element with first-derivative continuity applied to fusion MHD applications by Jardin, S.C.

“…We describe properties of the reduced quintic triangular finite element. The expansion used in the element will represent a complete quartic polynomial in two…”
Get full text

Design Details of the Transient CHI Plasma Start-up System on NSTX-U by Raman, Roger, Jarboe, T. R., Nelson, B. A., Mueller, D., Jardin, S. C., Neumeyer, C., Ono, M., Menard, J. E.

“…Elimination of the central solenoid would simplify the engineering design of a fusion nuclear science facility and tokamak based devices. The method of…”
Get full text

Modeling of lithium granule injection in NSTX with M3D-C1 by Fil, A., Kolemen, E., Bortolon, A., Ferraro, N., Jardin, S., Parks, P.B., Lunsford, R., Maingi, R.

“…•A new ablation model for Li granules is implemented in the MHD code M3D-C1.•2D simulations of Li granule injections in NSTX realistic H-mode plasmas are…”
Get full text

On 1D diffusion problems with a gradient-dependent diffusion coefficient by Jardin, S.C., Bateman, G., Hammett, G.W., Ku, L.P.

Get full text

3D adaptive mesh refinement simulations of pellet injection in tokamaks by Samtaney, R., Jardin, S.C., Colella, P., Martin, D.F.

“…We present results of Adaptive Mesh Refinement (AMR) simulations of the pellet injection process, a proven method of refueling tokamaks. AMR is a…”
Get full text

Plasma profile and shape optimization for the advanced tokamak power plant, ARIES-AT by Kessel, C.E., Mau, T.K., Jardin, S.C., Najmabadi, F.

“…An advanced tokamak plasma configuration is developed based on equilibrium, ideal MHD stability, bootstrap current analysis, vertical stability and control,…”
Get full text

Physics basis for the advanced tokamak fusion power plant, ARIES-AT by Jardin, S.C., Kessel, C.E., Mau, T.K., Miller, R.L., Najmabadi, F., Chan, V.S., Chu, M.S., LaHaye, R., Lao, L.L., Petrie, T.W., Politzer, P., St.John, H.E., Snyder, P., Staebler, G.M., Turnbull, A.D., West, W.P.

“…The advanced tokamak is considered as the basis for a fusion power plant. The ARIES-AT design has an aspect ratio of A ≡ R / a = 4.0 , an elongation and…”
Get full text

A flux-limited numerical method for solving the MHD equations to simulate propulsive plasma flows by Sankaran, K., Martinelli, L., Jardin, S. C., Choueiri, E. Y.

“…For numerical simulations to be effective tools in plasma propulsion research, a high‐order accurate solver that captures MHD shocks monotonically and works…”
Get full text

ITER cold VDEs in the limit of a perfectly conducting first wall by Clauser, C. F, Jardin, S. C

“…Physics of Plasmas 28, 012511 (2021) Recently, it has been shown that a vertical displacement event (VDE) can occur in ITER even when the walls are perfect…”
Get full text

Approach to nonlinear magnetohydrodynamic simulations in stellarator geometry by Zhou, Yao, Ferraro, N. M, Jardin, S. C, Strauss, H. R

“…Nucl. Fusion 61, 086015 (2021) The capability to model the nonlinear magnetohydrodynamic (MHD) evolution of stellarator plasmas is developed by extending the…”
Get full text

MHD simulations with resistive wall and magnetic separatrix by Strauss, H.R., Pletzer, A., Park, W., Jardin, S., Breslau, J., Sugiyama, L.

“…A number of problems in resistive MHD magnetic fusion simulations describe plasmas with three regions: the core, the halo region, and the resistive boundary…”
Get full text

Symmetric solution in M3D by Chen, J., Breslau, J., Fu, G., Jardin, S., Park, W.

“…The coefficient matrices in M3D are reformed here to have symmetric structures. They are further categorized into 3 types: weak diagonally-dominant matrix,…”
Get full text

A parallel algorithm for global magnetic reconnection studies by Breslau, J.A., Jardin, S.C.

“…A new algorithm is presented for the computation of two-dimensional magnetic reconnection in plasmas. Both resistive magnetohydrodynamic (MHD) and two-fluid…”
Get full text

Modeling of carbon pellets disruption mitigation in an NSTX-U plasma by Clauser, C. F, Jardin, S. C, Raman, R, Lyons, B. C, Ferraro, N. M

“…Single carbon pellet disruption mitigation simulations using M3D-C1 were conducted in an NSTX-U-like plasma to support the electromagnetic pellet injection…”
Get full text

Linear and nonlinear benchmarks between the CLT code and the M3D-C1 code for the 2/1 resistive tearing mode and the 1/1 resistive kink mode by Zhang, W., Jardin, S.C., Ma, Z.W., Kleiner, A., Zhang, H.W.

“…The linear and nonlinear benchmarks between the CLT code and the M3D-C1 code for the 2/1 resistive tearing mode and the 1/1 resistive kink mode are presented…”
Get full text