2025 Annual Review: Fast Reactors

May 29, 2025

Opening remarks, NEAMS Overview, and Research Plan

David Henderson, DOE & David Andersson, LANL

Technical Area: Multiphysics Applications

Introduction to Multiphysics Applications Technical Area

Emily Shemon, ANL & Cody Permann, INL

Impact of uncertainties on peak temperatures using high fidelity multiphysics simulation

Yiqi Yu, ANL

Progress on an integrated multiphysics approach to predict reactivity feedback due to core bowing

Nick Wozniak, ANL

Initial progress on NEAMS tool validation using Southwest Experimental Oxide Fast Reactor(SEFOR) experimental data

Donny Hartanto, ORNL

Technical Area: Reactor Physics

Introduction to Reactor Physics Technical Area

Matthew Jessee, ORNL & Javier Ortensi, ORNL

Overview of Griffin R&D activities for Fast Reactorsystems

Shikhar Kumar, ANL

Overview of Shift R&D activities for Fast Reactorsystems

Friederike Bostelmann, ORNL

Technical Area: Thermal Fluids

Introduction to Thermal Fluids Technical Area

Elia Merzari, ANL & Rui Hu, ANL

Development of an advanced 1-D mixing model in SAM

Eric Cervi, ANL

High-fidelity simulations using Nek and NACIE-UP benchmark

Dillon Shaver, ANL

Subchannel capability and CDAP model development

Aydin Karahan, ANL

Technical Area: Fuel Performance

Introduction to Fuel Performance Technical Area

Stephen Novascone, INL & Michael Cooper, LANL

BISON capabilities for metallic and nitride Fast Reactor fuels

 Topher Matthews, LANL

Historical database implementation with FIPD and OPTD

Yinbin Miao, ANL

Improved FCCI predictions via mechanistic modeling

Jake Hirschhorn, INL

Technical Area: Structural Materials and Chemistry

Introduction to Structural Materials and Chemistry Technical Area

Benjamin Spencer, INL & Ted Besmann, USC

Longterm stress relaxation modeling of Alloy 709 for accelerated qualification

Mark Messner, ANL

Release of NEML2 high-performance constitutive modeling library

Gary Hu, ANL

Incorporating irradiation effects in predictive models of Grade 91 alloy

Laurent Capolungo, LANL