TSVV-B Annual Workshop 2026

Name: TSVV-B Annual Workshop 2026
Start: 2026-09-30T08:30:00+02:00
End: 2026-10-02T12:30:00+02:00
Location: IPP Prague, U Slovanky 2525/1a, 182 00 Praha 8, Czechia

30 Sept 2026, 08:30 → 2 Oct 2026, 12:30 Europe/Berlin

NHB-4-421, 4th floor (IPP Prague, U Slovanky 2525/1a, 182 00 Praha 8, Czechia)

NHB-4-421, 4th floor

IPP Prague, U Slovanky 2525/1a, 182 00 Praha 8, Czechia

Description

VC link: https://cesnet.zoom.us/j/95609986772?pwd=ybFbkYib2b0QNIM7JC9srGtWZBwNVD.1

Meeting ID: 956 0998 6772, Passcode: 264504

Wednesday 30 September
- Meeting opening
  - 1
    
    Arrival and setup
  - 2
    
    Project status and prospects
    
    Speaker: Patrick Tamain (CEA)
    
    TSVVB_workshop_30092026_intro.pptx
- LH transition physics (Task 2)
  - 3
    
    Short update on L-H transition physics in GBS simulations
    
    Davide in name of Brenno
    
    Speaker: Davide Mancini (EPFL)
  - 4
    
    Analysis of Er well formation in SOLEDGE3X mean-field and turbulence simulations
    
    Speaker: Michele Lambresa
  - 5
    
    Discussion on next steps for L-H transition physics
- 10:30
  
  Coffee break
- Turbulence in dissipative divertor regimes (Task 1)
  - 6
    
    Modelling of TCVX23 with GRILLIX + update on latest GRILLIX developments
    
    Speaker: Andreas Stegmeir (MPG)
    
    TSVV-B_Prague_26.pdf
  - 7
    
    First evaluation light impurity turbulent transport in 3D edge turbulence simulation
    
    Speaker: Patrick Tamain (CEA)
    
    TSVVB_workshop_30092026_impurity_turbulent_tranport_S3X.pptx
  - 8
    
    Turbulence simulations with baffle in GBS
    
    Speaker: Davide Mancini (EPFL)
    
    CurvilinearGrid-TSVVB.pdf
- 12:20
  
  Lunch break
- Turbulence in dissipative divertor regimes (Task 1) and neutrals physics improvements (Task 6)
  - 9
    
    Update on the status of KINDNESS
    
    Speaker: Davide Mancini (EPFL)
    
    KINDNES-TSVVB.pdf
  - 10
    
    Progress in modelling of fluid neutrals in SOLEDGE3X
    
    Speaker: Bridget McGibbon
  - 11
    
    Update and discussion on advancement of modularization and sharing of neutrals models
    
    Speaker: Patrick Tamain (CEA)
- 15:00
  
  Coffee break
- Validation against scaling laws (task 5) + FELTOR code update (cross-tasks)
  - 12
    
    Dependence of the SOL width on key parameters in SOLEDGE3X
    
    Speaker: Hugo Corvoysier
  - 13
    
    FELTOR code update - CANCELLED, replaced by rapid discussion with Anders N.
  - 14
    
    Contingency for discussion (discussion on particle balance time scales?)
Thursday 1 October
- Progress in upstream and reduced models (task 6)
  - 15
    
    Status of collisional sheath modelling with He and recent developments of BIT1 code
    
    Speaker: David Tskhakaya (IPP-CR)
    
    Workshop_TSVVB_2026_DTskhakaya.pdf
  - 16
    
    Updates on k-epsilon turbulence models with applications on SolEdge-HDG
    
    Speaker: Yakumo Kunimoto
    
    Workshop_TSVVB_2026_YKunimoto.pdf
  - 17
    
    RANS model developments based on COMPASS electrostatic turbulence simulations
    
    Speaker: Olivier Renders (LPP-ERM-KMS)
    
    WorkShop_2026_10_01_reducedTurbModels.pptx
- 10:30
  
  Coffee break
- Progress on codes performances (task 7) & compliance to EUROfusion requests (task 8)
  - 18
    
    Soledge3X Code Optimization and GPU Production Computing for the WEST Tokamak
    
    Speaker: Mathieu Peybernes (EPFL)
  - 19
    
    Implicit Solver Performance: Bottlenecks and Optimizations in GBS
    
    Speaker: Nicola Varini (EPFL)
  - 20
    
    Open discussion on software compliance, including IMAS: difficulties, reluctances, progress…
- 12:30
  
  Lunch break
- Progress in upstream and reduced models (task 6)
  - 21
    
    Application of RANS model to TCVX23 experiments and comparison to SOL scaling laws
    
    Speaker: Wouter Dekeyser (LPP-ERM-KMS)
    
    TSVVB_RANS_models_TCVX23_scaling_laws.pdf
  - 22
    
    Discussion on RANS and sheath models
- 23
  
  Overview of TSVV-C (gyrokinetic edge modelling) effort
  
  Speaker: Daniel Told (IPP)
  
  TSVV-B Annual Meeting 2026 - final.pdf
- 14:45
  
  Coffee break
- Turbulence and transport in realistic geometries (task 3)
  - 24
    
    Numerical investigation of turbulence in MAST-U and comparison to experiments
    
    Speaker: Anders Nielsen (DTU)
  - 25
    
    Effect of divertor leg length on profile widening in TCV
    
    Speaker: Sergio Garcia Herreros (EPFL)
    
    TSVV workshop - Sergio García Herreros.pptx
  - 26
    
    Dependence of turbulent transport on the divertor flux expansion in ASDEX Upgrade
    
    Speaker: Dr Wladimir Zholobenko (IPP)
    
    Zholobenko_TSVVB_workshop_2026.pdf
  - 27
    
    GRILLIX simulations of COMPASS-U and JET with GRILLIX
    
    Speaker: Petr Macha (IPP.CR)
  - 28
    
    Contingency for discussion
Friday 2 October
- Edge plasma turbulence in stellarators (task 4)
  - 29
    
    Update of stellarator modelling with GBS
    
    Speaker: Zeno Tecchiolli (EPFL)
    
    TSVV_stell.pdf
  - 30
    
    Updates on modelling of 3D configurations with SOLEDGE3X
    
    In name of Raffael Düll
    
    Speaker: Hugo Bufferand (CEA)
  - 31
    
    Advances in 3D ripple tokamak simulations with SolEdge-HDG: isothermal modelling and preconditioner development toward anisothermal simulations
    
    Speaker: Marcello Capasso
    
    Workshop_TSVVB_2026_MCapasso.pdf
  - 32
    
    Stellarator modelling with GRILLIX
    
    Speaker: Christoph Pitzal
- 11:00
  
  Coffee break
- 33
  
  Discussion on project trajectory in 2027 and beyond, preparation of meeting summary