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Division Spotlight
Mathematics & Computation
Division members promote the advancement of mathematical and computational methods for solving problems arising in all disciplines encompassed by the Society. They place particular emphasis on numerical techniques for efficient computer applications to aid in the dissemination, integration, and proper use of computer codes, including preparation of computational benchmark and development of standards for computing practices, and to encourage the development on new computer codes and broaden their use.
Meeting Spotlight
International Conference on Mathematics and Computational Methods Applied to Nuclear Science and Engineering (M&C 2025)
April 27–30, 2025
Denver, CO|The Westin Denver Downtown
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Science and Engineering
June 2025
Nuclear Technology
May 2025
Fusion Science and Technology
Latest News
Sam Altman steps down as Oklo board chair
Advanced nuclear company Oklo Inc. has new leadership for its board of directors as billionaire Sam Altman is stepping down from the position he has held since 2015. The move is meant to open new partnership opportunities with OpenAI, where Altman is CEO, and other artificial intelligence companies.
Technical Session|Space Nuclear Propulsion
Tuesday, May 6, 2025|3:15–4:55PM CDT|SPOC B (Space & Rocket Center)
Session Chair:
Valerie Lawdensky (NASA Marshall Space Flight Center)
Alternate Chair:
Jhonathan Rosales (NASA Marshall Space Flight Center)
Track Organizer:
Harold Gerrish (NASA Marshall Space Flight Center)
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A Space Propulsion Concept Based on Inertial Confinement for Nuclear Fusion Using a Polywell Geometry
3:15–3:21PM CDT
Preeti Nair (Univ. North Dakota), Marcos Fernandez-Tous (Univ. North Dakota), Sreejith Vidhyadharan (Univ. North Dakota)
Paper
Impact of Carbon Stoichiometry on (U,Zr)C Thermophysical Properties
3:21–3:27PM CDT
Joseph Schaeperkoetter (LANL), Scarlett Widgeon Paisner (LANL), Kenneth J. McClellan (LANL), Joshua T. White (LANL), Brian D. Taylor (NASA), Jhonathan Rosales (NASA Marshall Space Flight Center), Erofili Kardoulaki (LANL)
Performance of Zrc at Conditions Relevant to Space Nuclear Propulsion
3:27–3:33PM CDT
Eddie Lopez Honorato (ORNL), Katherine I. Montoya (ORNL), Wesley Jones (ORNL), Ryan Heldt (ORNL), Bryan Conry (ORNL), Brandon A. Wilson (ORNL), Emily N. Hutchins (Univ. Tennessee, Knoxville), N. Dianne B. Ezell (ORNL)
Nuclear Thermal Propulsion (NTP) Engine Ground Testing Status
3:33–3:39PM CDT
Lindsey Holmes (AMA), Marcus Neeley (Amentum), James Rector (New Horizons 5)
Application of Transient Fission Chain Matrix Methodology to Multiphysics Analysis of Nuclear Thermal Rockets
3:39–3:45PM CDT
Jacob Stonehill (AMA)
Synthesis and Microstructure Evolution of Transition Element Mixed Actinide Carbides for Nuclear Thermal Propulsion
3:45–3:51PM CDT
Geronimo Robles (LANL), Shane Mann (LANL), Benjamin Walusiak (LANL), Erofili Kardoulaki (LANL), Najeb Abdul-Jabbar (LANL)
Overcoming Barriers for Reuseable Ground to Orbit Thermal Nuclear Rocketry
3:51–3:57PM CDT
Adrian Tymes (CubeCab), Trevor Hehn (Hehn Law), Troy Howe (Howe Industries), Stylianos Chatzidakis (Purdue Univ.)
The Evolution of Inadvertent Criticality Analyses from Project Rover to Today.
3:57–4:03PM CDT
Russell C. Johns (LANL), Andrew Prince (LANL)
Reduced-Order Neutronics: Bridging Speed and Fidelity for Real-Time Nuclear Propulsion Simulations
4:03–4:09PM CDT
Robert J. Demuth (Univ. South Carolina), Travis Knight (Univ. South Carolina)
ZrC-NbC-TaC Solid Solutions for Carbon-Carbon Heat Exchange Tubes for Nuclear Thermal Propulsion Fuel Elements
4:09–4:15PM CDT
Mark M. Opeka (Kratos SRE), Benjamin Kowalski (NASA Langley Research Center)
Evaluation of Candidate Carbide Coatings for Carbon-Carbon Heat Exchange Tubes for Nuclear Thermal Propulsion Applications
4:15–4:21PM CDT
Valerie L. Wiesner (NASA Langley Research Center), Julia E. Cline (NASA Langley Research Center), Elora Kurz (NASA Langley Research Center), Benjamin A. Kowalski (NASA Glenn Research Center), Anthony m. Calomino (NASA Headquarters), Christopher Hill (CvdTek)
Thermal-hydraulics Modeling for Nuclear Thermal Propulsion Simulator
4:21–4:27PM CDT
Jackson T. Zazzaro (Univ. South Carolina)
Artificial Intelligence - Driven Diagnostics and Prognostics for Nuclear Propulsion Systems: Enhancing Mission and Fault Management at NASA Marshall Space Flight Center
4:27–4:33PM CDT
Cameron M. Grace (Amentum Space Exploration Group), Chang Shen (NASA Marshall Space Flight Center)
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