Simons Hour Talks

Upcoming Talks

Simons Hour Talk
Title TBSL
Thu, Jul 18, 2024, 10:00 am11:00 am

Abstract: TBSL

Talk time in other timezones: AEST 12:00 AM Fri 19 Jul, JST 11:00 PM Thu 18 Jul, CEST 4:00 PM Thu 18 Jul, BST 3:00 PM Thu 18 Jul, UTC 14:00 Thu 18 Jul, EDT 10:00 AM Thu 18 Jul, CDT 9:00 AM Thu 18 Jul, MDT 8:00 AM Thu 18 Jul, MST/PDT 7:00 AM Thu 18 Jul
Speaker
Simons Hour Talks - TBA
Thu, Aug 1, 2024, 10:00 am11:00 am

A Virtual Simons Hour Talk: TBA

Simons Hour Talk
NEA Topics (TBR)
Thu, Aug 15, 2024, 10:00 am11:00 am

Abstract: TBSL

Talk time in other timezones: AEST 12:00 AM Fri 16 Aug, JST 11:00 PM Thu 15 Aug, CEST 4:00 PM Thu 15 Aug, BST 3:00 PM Thu 15 Aug, UTC 14:00 Thu 15 Aug, EDT 10:00 AM Thu 15 Aug, CDT 9:00 AM Thu 15 Aug, MDT 8:00 AM Thu 15 Aug, MST 7:00 AM Thu 15 Aug, PDT 7:00 AM Thu 15 Aug
Speaker
Simons Hour Talk
Flux Volume Formula (TBR)
Thu, Aug 29, 2024, 10:00 am11:00 am

Abstract: TBSL

Talk time in other timezones: AEST 12:00 AM Fri 30 Aug, JST 11:00 PM Thu 29 Aug, CEST 4:00 PM Thu 29 Aug, BST 3:00 PM Thu 29 Aug, UTC 14:00 Thu 29 Aug, EDT 10:00 AM Thu 29 Aug, CDT 9:00 AM Thu 29 Aug, MDT 8:00 AM Thu 29 Aug, MST 7:00 AM Thu 29 Aug, PDT 7:00 AM Thu 29 Aug
Speaker
Simons Hour Talk
Efficiently Using Computational Resources by Exploiting Problem-Specific Knowledge In Derivative-Free Optimization
Thu, Sep 12, 2024, 10:00 am11:00 am

Abstract: We start with a high-level presentation comparing various methods for optimizing computationally expensive functions that lack reliable gradient information. We highlight algorithms that utilize the structure of common problems and demonstrate their efficiency on relevant problems from particle physics and fusion…

Past Talks

Simons Hour Talk
Multifidelity Linear Regression for Scientific Machine Learning From Scarce Data
Jun 20, 2024, 10:00 am
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Towards Scientific Machine Learning Reduced Models for Nonlinear, Chaotic Plasma Turbulence Simulations
Jun 6, 2024, 10:00 am
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Optimization in the Presence of Chaos
May 23, 2024, 10:00 am
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Optimization of Gyrokinetic Microstability Using Adjoint Methods
May 9, 2024, 10:00 am
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Parametric Design and Analysis of High Field Stellarator Coils
Apr 25, 2024, 10:00 am
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Should we Derive or Let the Data Drive? A Symbiotic Approach
Apr 11, 2024, 10:00 am
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Simons Hour Talk
Overview of Shape Optimization with Finite Element Methods
Mar 28, 2024, 10:00 am
Simons Hour Talk
Spatial Dynamics Formulation of Magnetohydrostatics
Feb 29, 2024, 10:00 am
Simons Hour Talk
Stellarator Coil Optimization Supporting Multiple Magnetic Configurations
Feb 15, 2024, 10:00 am
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Simons Hour Talk
Exploration of Non-Resonant Divertor Features in the Compact Toroidal Hybrid
Feb 1, 2024, 10:00 am
Simons Hour Talk
Some Midsize Research Stellarator Options for the US
Jan 18, 2024, 10:00 am
Simons Hour Talk
Improved Stellarator Permanent Magnet Designs Through Combined Discrete and Continuous Optimizations
Jan 4, 2024, 10:00 am
Simons Hour Talk
Near-Axis QI
Dec 21, 2023, 10:00 am
Simons Hour Talk
Magnetic Fields with General Omnigenity
Nov 9, 2023, 10:00 am
Speaker
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SciDAC / Eurofusion collaboration / Simons discussion
Oct 12, 2023, 10:00 am
Simons Hour Talk
Development of the First Non-Planar REBCO Stellarator Coil Using VIPER cable
Sep 28, 2023, 10:00 am
Simons Hour Talk
ITER’s Assembly Tolerances, Translating Physics Limits to Millimetres
Sep 14, 2023, 10:00 am
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Large-Scale Derivative-Free Optimization Using Random Subspace Methods
Aug 31, 2023, 7:00 pm
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Simons Hour Talk
STAR_Lite Stellarator - Plans and Status
Aug 17, 2023, 10:00 am
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Optimizing phase-space barriers for alpha particles via fast classification
Aug 3, 2023, 10:00 am
Simons Hour Talk
Finding Invariant Circles from a Single Trajectory
Jul 20, 2023, 10:00 am
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Simons Hour Talk
Weighted Birkhoff Averages: a Tool to Identify Invariant Tori
Jul 6, 2023, 10:00 am
Simons Hour Talk
Linear Equations for Stellarator Local MHD Equilibria
Jun 22, 2023, 10:00 am
Simons Hour Talk
Trinity+GX for Stellarator Profile Prediction
Jun 8, 2023, 10:00 am
Simons Hour Talk
Linearized Ideal Magnetohydrodynamic Stability in Stellarators
May 25, 2023, 10:00 am
Speaker
Simons Hour Talk
Efficient Calculation of Internal Magnetic Field & Self-Force for Electromagnetic Coils
May 11, 2023, 7:00 pm
Simons Hour Talk
Existence of Global Symmetries of Divergence-Free Fields with First Integrals
Apr 13, 2023, 7:00 pm
Simons Hour Talk
Direct Optimization of Fast-Ion Confinement in Stellarators
Mar 30, 2023, 10:00 am
Simons Hour Talk
History of the HSX Optimization and Design
Mar 16, 2023, 7:00 pm
Simons Hour Talk
Introduction to Quadratic Flux Minimizing Surfaces and Ghost Surfaces
Mar 2, 2023, 10:00 am
Simons Hour Talk
Aerodynamic Shape Optimization
Feb 16, 2023, 7:00 pm
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Alpha Particle Confinement / Zonal-Flow Activation
Jan 19, 2023, 7:00 pm
Simons Hour Talk
On the Distribution of Heat in Integrable and Non-Integrable Magnetic Fields
Jan 5, 2023, 10:00 am
Speaker
Simons Hour Talk
Coil Optimization
Dec 22, 2022, 7:00 pm
Simons Hour Talk
Strong Nonlinearity of MHD Stability in Stellarators
Dec 8, 2022, 10:00 am
Simons Hour Talk
History of the HSX and QPS Stellarator Designs
Nov 10, 2022, 10:00 am
Simons Hour Talk
Tutorial on Turnstiles
Oct 27, 2022, 7:00 pm
Simons Hour Talk
Update on Isodrasticity
Oct 13, 2022, 10:00 am
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Simons Hour Talk
Optimization under Stability Constraints
Sep 29, 2022, 7:00 pm
Speaker
Simons Hour Talk
On The Construction Of 3D MHD Equilibria In General Bounded Domains
Sep 15, 2022, 10:00 am
Simons Hour Talk
Coarse-Grained Gyrokinetics For The Critical Ion Temperature Gradient In Stellarators
Sep 1, 2022, 8:00 am
Speaker
Simons Hour Talk
Omnigeneous Toroidal Plasma Equilibria
Aug 18, 2022, 8:00 am
Speaker
Simons Hour Talk
Minimizing Island Width Sensitivity to Maximize Stellarator Coil Tolerances
Aug 4, 2022, 8:00 am
Simons Hour Talk
Energetic Particle Loss Mechanisms In Reactor-Scale Equilibria Close To Quasisymmetry
Jun 9, 2022, 8:00 am
Speaker
Simons Hour Talk - Magnetic Turnstiles in Nonresonant Stellarator Divertor
Feb 17, 2022, 8:00 am
Speaker
Simons’ Hour Talk - Understanding the Space of Quasisymmetric Configurations: Phases and Phase Transitions
Jan 20, 2022, 8:00 am
Speaker
Simons’ Hour Talk - On The Non-Existence Of Stepped-Pressure Equilibria Far From Symmetry
Dec 9, 2021, 8:00 am
Speaker
Simons’ Hour Talk - Suppression of Energetic Particle-Driven Instabilities in Stellarators
Oct 28, 2021, 8:10 am
Speaker
Simons’ Hour Talk - Upper Bounds on Gyrokinetic Instabilities
Oct 14, 2021, 8:00 am
Speaker
Simons’ Hour Talk - Structure of Pressure-Driven Current Singularities
Sep 30, 2021, 8:10 am
Speaker
Simons’ Hour Talk - Quasisymmetric Magnetic Fields in Asymmetric Toroidal Domains
Sep 2, 2021, 8:00 am
Speaker
Simons’ Hour Talk - Magnetic Fields With Excellent Quasisymmetry Throughout a Volume
Aug 5, 2021, 8:00 am
Speaker
Simons’ Hour Talk - Representing The Plasma Boundary in Stellarator Optimization
Jul 22, 2021, 8:00 am
Speaker
Simons’ Hour Talk - MHD Equilibria with Non-Constant Pressure in Nondegenerate Toroidal Domains
Jun 24, 2021, 8:00 am
Speaker
Simons’ Hour Talk - Computational Studies of Magnetic Coils
May 27, 2021, 8:00 am
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Update on SIMSOPT
Apr 29, 2021, 8:00 am
Adjoint Calculation of Magnetic Island Width Sensitivity
Apr 1, 2021, 2:00 pm
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Isodrastic Magnetic Fields
Mar 18, 2021, 2:00 pm