Breakout Sessions


Tuesday, April 28


Turbulence/Neo-Classical/MHD Integration I

13:30

Choongseock Chang

Important physics phenomena from multiscale interaction of turbulence and neoclassical dynamics

13:55

Stefano Coda

Studies of turbulence and geodesic acoustic modes in variable-shape plasmas in TCV

14:20

Chris McDevitt

Mean Field Formulation of Turbulent Current Drive

14:45

Xueqiao Xu

Toward integrated multi-scale simulations for a full ELM cycle with ELM dynamics

15:10

Break

 

15:40

Alex Creely

Heat Pulse Thermal Diffusivity from Partial Sawtooth Crashes in Alcator C-Mod L-mode and I-mode Plasmas

16:05

Discussion


H-mode Power Threshold Minimum

13:30

Clarisse Bourdelle

L to H mode transition: Parametric dependencies of the temperature threshold

13:55

Lothar Schmitz

Connecting Microscopic L-H Transition Physics to the Power Threshold Scaling

14:20

Kathreen Thome

H-mode and ELM Studies at Near-Unity Aspect Ratio

14:45

Gary Staebler

Transport Modeling of Dithering H-mode Transitions

15:10

Break

 

15:40

Jerry Hughes

Access to high-confinement regimes on Alcator C-Mod and the complex influence of divertor geometry

16:05

David Russell

L-H transitions driven by ion heating in scrape-off layer turbulence (SOLT) model simulations

16:30 Discussion


Effects of Energetic Particles

13:30

Eric Bass

Quantifying the onset of “stiff” energetic particle transport by Alfvén Eigenmodes using nonlinear gyrokinetics

13:55

Nikolai Gorelenkov

Non-perturbative critical gradient model for Alfvénic fast ion relaxation using HINST code

14:20

Sterling Smith

Restoring regression testing of the ONETWO transport code and improving its neutral beam model

14:45

Mario Podestà

Validation of a new fast ion transport model for TRANSP

15:10

Break

 

15:40

Hauke Doerk

Turbulence stabilization due to high beta and fast ions in high- performance plasmas at ASDEX Upgrade and JET

16:05

William Capecchi

Energetic Particles physics in MST reversed field pinch

16:30

Discussion


Wednesday April 29


Core/edge/SOL/wall Integration I

13:30


13:50

Zehua Guo


Seung-Hoe Ku

Modeling SOL Plasma with Anisotropic Temperatures


Physical mechanisms setting the divertor heat-load width seen from the

XGC1 gyrokinetic simulations

14:10

Theresa Wilks

Effect of Ion Orbit Loss on Rotation and the Radial Electric Field in the DIII-D Edge Plasma

14:30

Break

 

15:00

Tianyang Xia

Simulations of the particle and heat fluxes during the pedestal evolution of inter-ELM phase on DIII-D with BOUT++

15:20

Discussion



Turbulence/Neo-Classical/MHD Integration II

13:30


13:50

Bernhard Schmid


James Duff

Investigation of the energy transfer to zonal flows at the stellarator TJ-K


Experimental evidence for density-gradient-driven trapped-electron

modes in improved confinement RFP plasmas

14:10

Daniel Kwak

Investigation of Intrinsic Rotation Dependencies in Alcator C-Mod using a New Data Analysis Workflow

14:30

Break

 

15:00

Giovanni Rossi

Turbulence and transport in high density, increased β LAPD plasmas

15:20

Zach Williams

Comparing Recent Experimental Observations in the Reversed-Field Pinch with Gyrokinetic Simulations

15:40

Discussion


Multi-scale/Multi-channel Integration

13:30

Nathan Howard

Cross-Scale Coupling of Ion and Electron-Scale Turbulence in Experimental Tokamak Discharges

13:50

Yang Ren

Experimental Studies of Electron-scale Turbulence on NSTX and NSTX-U: Present Status and Future Plans

14:10

Pascale Hennequin

Experimental study of plasma turbulence structure and its scaling with

ρ*

14:30

Break

 

15:00

Pengjun Sun

Experimental study of the nonlinear coupling between multi-scale turbulence and an internal kink-like coherent mode in EAST

15:20

George McKee

Core Turbulence Response to Controlled ExB Shear Variation in Advanced-Inductive Plasmas

15:40

Discussion


Thursday April 30


Understanding H- and I-mode Pedestals I

13:30


13:50

Peter Manz


John Walk

Turbulence in I-mode in ASDEX Upgrade


Impact of the Pedestal on Global Performance and Confinement

Scalings in I-mode

14:10

Keith Burrell

Understanding the Physics of EHO Generation in DIII-D Including the Role of Rotational Shear

14:30

Break

 

15:00

Chris Rost

The Effect of Input Torque Ramps on Short Wavelength Modes Generated in the QH-mode Edge on DIII-D

15:20

Discussion


3D/RMP Effects Library Zhihong Lin presiding


13:30


13:50

Donald Spong


Jim Callen

3D equilibrium effects on energetic particle instabilities


Resonant 3-D Magnetic Field Effects - penetration, resistive

reconnection, islands, transport

14:10

Michael Leconte

Drive of a mesoscale Vortex-Flow pattern by coupling to Zonal-Flows in presence of Resonant Magnetic Perturbations

14:30

Break

 

15:00

Saskia Mordijck

The effect of 3D fields on turbulence in DIII-D

15:20

Rick Moyer

Impact of Torque and Rotation on RMP Effects in ITER Baseline Discharges

15:40

Discussion


Integrated Modeling

 

13:30

Brian Grierson

Time Dependent Predictive Modeling of DIII-D ITER Baseline Scenario using Predictive TRANSP

13:50

Jani Janhunen

Integrated multi-scale simulations of ITG turbulence in XGC1-XGCa coupling framework

14:10

Arnold Kritz

Fusion Power Production in ITER Baseline H-mode Scenarios

14:30

Break

 

15:00

Orso Meneghini

Initial physics applications of the Advanced Tokamak Modeling (AToM) project

15:20

Gary Staebler

Discussion of methods and validation metrics for predictive experimental design

17:30

Discussion cont.

 


Friday May 1


Core/edge/SOL/wall Integration II

9:00 Ghassan Antar Controlling Turbulence by RF Waves

9:20 Ihor Holod Gyrokinetic particle simulations of DIII-D edge transport

9:40 Jianying Lang Investigation of KBM onset in edge pedestal plasmas using XGC1

10:00 Break

10:30 M.J. Pueschel Edge Turbulence: Mode Parity and Consequences for Transport

10:50 Discussion


Impurity Transport

9:00

Yanick Sarazin

Neoclassical impurity transport in full-f gyrokinetic simulations with GYSELA

9:20

Albert Mollen

Impurities in a non-axisymmetric plasma: transport and effect on bootstrap current

9:40

Paola Mantica

Progress in understanding W control Using ICRH in the JET-ILW tokamak

10:00

Break

 

10:30

Mark Chilenski

Bayesian inference of impurity transport coefficient profiles

10:50 Discussion


Understanding H- and I-mode Pedestals II Nathaniel’s Lothar Schmitz presiding


9:00


9:20


9:40

David Hatch

Zixi Liu

Robert Hager

Gyrokinetic Study of Electromagnetic Pedestal Transport First analysis of I-mode pedestals with the BOUT++ code

Nailing down the bootstrap current physics in steep pedestal plasma

from advanced numerical simulation

10:00

Break

 

10:30

Arkaprava Bokshi

The response of toroidal drift modes to profile evolution: a new model for small ELMs

10:50

Discussion