Simons Hour Talks
| Date / Time | Speaker | Topic Title |
|---|---|---|
| Sep 16, 2021 8:00-9:00 EDT |
A. Giuliani
F. Law |
Optimization For Quasi-Symmetry on Surfaces in Single-Stage Coil Design In this talk, we'll give an update on our single-stage approach to optimizing for quasi-symmetry on surfaces. Previously, we've presented our new technique for computing surfaces in Boozer coordinates, currently available in SIMSOPT. In this talk, we'll give addition details and describe how these surfaces can be used in a gradient-based approach to optimize for quasi-symmetry. Multifidelity Monte Carlo Estimation of Energetic Particle Confinement in Stellarators In the design of Stellarators, energetic particle confinement is a critical point of concern which remains challenging to analyze from a numerical point of view. Due to the absence of fully reliable proxy functions in quantifying the energetic particle confinement properties of magnetic configurations, studies are typically based on a standard Monte Carlo analysis. (Video Recording of Talk) |
| Sep 2, 2021 8:00-9:00 EDT |
N. Soto | Quasisymmetric Magnetic Fields in Asymmetric Toroidal Domains (Video Recording of Talk) |
| Aug 5, 2021 8:00-9:00 EDT |
M. Landreman | Magnetic Fields With Excellent Quasisymmetry Throughout a Volume (Video Recording of Talk) |
| July 22, 2021 8:00-9:00 EDT |
S. Henneberg | Representing The Plasma Boundary in Stellarator Optimization (Video Recording of Talk) |
| July 8, 2021 8:00-9:00 EDT |
R. White | Particle Resonances in Toroidal Plasmas (Video Recording of talk) |
| Jun 24, 2021 8:00-9:00 EDT |
D. Peralta-Salas | MHD Equilibria with Non-Constant Pressure in Nondegenerate Toroidal Domains (Video Recording of talk) |
| May 27, 2021 8:00-9:00 EDT |
A. Carlton-Jones E. Stenson |
Computing The Shape Gradient of Stellarator Coil Complexity With Respect to the Plasma Boundary (Video recording of Carlton-Jonestalk) Computational Studies of Mu-Breaking in a Magnetic Dipole and Other Simple Coil Configurations (Video recording of Stenson talk) |
| Apr 29, 2021 8:00-9:00 EDT |
M. Landreman | Update on SIMSOPT (Video recording of Landreman talk) |
| Apr 15, 2021 8:00-9:00 EDT |
Y-M. Huang | Numerical Approach to ∂-function Current Sheets Arising From Resonant Magnetic Perturbations (Video recording of Huang talk) |
| Apr 1, 2021 2:00-3:00 EDT |
A. Geraldini | Adjoint Calculation of Magnetic Island Width Sensitivity (Video recording of Geraldini talk) |
| Mar 18, 2021 2:00-3:00 EDT |
R. MacKay / J. Burby |
Isodrastic Magnetic Fields (Video recording of MacKay talk) |
| Mar 4, 2021 2:00-3:00 EST |
J. Lion | Generalization of the Systems Code PROCESS to Stellarators |
| Feb 18, 2021 2:00-3:00 EST |
F. Wechsung | Single-Stage Gradient-Based Stellarator Coil Design |
| Feb 4, 2021 2:00-3:00 EST |
S. Henneberg | Algorithms for Combined Plasma and Coil optimization |
| Jan 7, 2021 2:00-3:00 EST |
N. Duignan | A Presymplectic View of Magnetic Fields |
| Dec 11, 2020 9:10-10:00 EST |
W. Sengupta | Obtaining exact quasisymmetry on a single flux surface: a near-surface expansion approach |
| Nov 20, 2020 9:10-10:00 EST |
A. Guiliani | Single-stage gradient-based stellarator coil design: Optimization for near-axis quasi-symmetry |
| Oct 30, 2020 9:20-10:00 EDT |
E. Rodriguez | Avoiding the problem of overdetermination in quasisymmetric near-axis |
| Oct 2, 2020 9:20-10:00AM EDT |
J. -F. Lobsien | Stochastic Stellarator Coil Optimization |
| July 24, 2020 9:30-10:00AM EDT |
N. McGreivy | Finite-Build Stellarator Coil Design & Automatic Differentiation |
| June 26, 2020 9:20-10:00AM EDT |
T. Pedersen | Introduction to (Stellarator) Divertors |
| June 12, 2020 9:20-10:00AM EDT |
J. Burby | Grad-Shafranov Equation For Non-Axisymmetric MHD Equilibria (slides) https://arxiv.org/pdf/2005.13664.pdf (paper) |
| May 29, 2020 9:00-9:20AM EDT |
A. Bhattacharjee | Summer School 2020 Schedule |
| May 29, 2020 9:20-10:00AM EDT |
R. Granetz | Applying High Temperature Superconductor Technology to Stellarators |
| May 15, 2020 9:00-10:00AM EDT |
B. Khesin | Madelung Transform and Binormal Flows in the Euler Hydrodynamics |
| May 1, 2020 9:05-9:30AM EDT |
E. Rodriguez | Constructing Quasisymmetry |
| May 1, 2020 9:35-10:00AM EDT |
N. Kallinikos | Approximate Quasisymmetry |
| Apr. 17, 2020 9:00-10:00AM EDT |
S. Glas | Optimization Under Uncertainty |
| Apr. 6, 2020 3:00‑4:00PM EDT |
D. Ginsberg | Quasisymmetric Equilibria |
| Mar. 23, 2020 3:00‑4:00PM EDT |
P. Helander | Stellarators with Permanent Magnets |
| Mar. 9, 2020 3:00‑4:00PM ET |
A. Bader | Stellarator Optimization in Practice And Where We Can Improve |
| Mar. 2, 2020 3:00‑4:00PM ET |
D. Malhotra | Integral Equation Methods for Calculating Stepped-Pressure Equilibrium in Stellarators |
| Feb. 24, 2020 3:00‑4:00PM ET |
A. Giuliani | Adjoint-Based Vacuum-Field Stellarator Optimization |
| Feb. 10, 2020 3:00‑4:00PM ET |
E. Paul | Efficient Stellarator Shape Optimization and Sensitivity Analysis |
| Jan. 27, 2020 3:00‑4:00PM ET |
R. Dewar and Z. Qu |
MRxMHD With Flow |
| Jan. 10, 2020 9:00‑10:00AM ET |
M. Landreman | SIMSOPT phase 1: MANGO |
| Dec. 13, 2019 9:00‑10:00AM ET |
F. Hindenlang | GVEC: A newly developed 3D ideal MHD Galerkin Variational Equilibrium Code |
| Nov. 29, 2019 9:00‑10:00AM ET |
J. Loizu | Direct Prediction of Nonlinearly Saturated Tearing Modes with SPEC |
| Nov. 15, 2019 9:00‑10:00AM ET |
B. Faber | Stellarator Optimization at the University of Wisconsin-Madison |
| Nov. 8, 2019 8:30‑9:30AM ET |
Special Discussion on SIMSOPT | |
| Nov. 1, 2019 9:00‑10:00AM ET |
R. Jorge | Near-Axis Expansion Framework at Arbitrary Order in the Distance to the Magnetic Axis |
| Sep. 20, 2019 9:00‑10:00AM ET |
Dhariya Malhotra | Higher-Order Integration for Singular Integrals in Magnetostatics |
| Sep. 6, 2019 9:00‑10:00AM ET |
Allen Boozer | Curl-free Magnetic Fields for Stellarator Optimization |
| Aug. 5, 2019 3:00‑4:00PM ET |
David Bindel | Surrogate Optimization |
| May 13, 2019 3:00‑4:00PM ET |
Georg Stadler | Optimization |
| Apr. 29, 2019 3:00‑4:00PM ET |
Amitava Bhattacharjee | Summer School Schedule |
| Mar. 18, 2019 3:00‑4:00PM ET |
Amitava Bhattacharjee | Team meeting in PCTS, Annual Meeting at Simons Foundation |