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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
ANS Student Conference 2025
April 3–5, 2025
Albuquerque, NM|The University of New Mexico
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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March 2025
Nuclear Technology
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February 2025
Latest News
NDA funds Plutonium Ceramics Academic Hub with U.K. universities
The United Kingdom’s Nuclear Decommissioning Authority has announced that it will establish a Plutonium Ceramics Academic Hub with the Universities of Manchester and Sheffield. The announcement follows a decision by the U.K. government in January to immobilize the country’s inventory of civil separated plutonium at the Sellafield nuclear site, mitigating the material’s long-term safety and security risks.
Technical Session|Methods
Wednesday, April 24, 2024|1:30–3:15PM PDT|Continental Ballroom 1
Session Chair:
Ken-ichi Tada (Japan Atomic Energy Agency)
Alternate Chair:
Marie-Anne Descalle (LLNL)
Session Organizer:
Go Chiba (Hokkaido University)
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Neutron Shielding Calculation with the ACE-FRENDY-CBZ Sequence
1:30–1:50PM PDT
Go Chiba (Hokkaido Univ.)
Paper
Multigroup Cross-Section Data Processing for Deterministic Electron-Transport Calculation
1:50–2:10PM PDT
Xiaoying Li (Xi’an Jiaotong Univ.), Yunzhao Li (Xi’an Jiaotong Univ.), Ruizhi Shao (Xi’an Jiaotong Univ.), Ning Xu (Xi’an Jiaotong Univ.), Liangzhi Cao (Xi’an Jiaotong Univ.), Tiejun Zu (Xi’an Jiaotong Univ.), Yilin Liang (Xi’an Jiaotong Univ.), Junwei Qin (Xi’an Jiaotong Univ.), Wei Shen (CANDU Owners Group)
Analytic Sensitivity Coefficients for General Multigroup Infinite Medium k-Eigenvalue Problems
2:10–2:30PM PDT
Colin A. Weaver (LANL), Michael E. Rising (LANL), Joel A. Kulesza (LANL), Christopher M. Perfetti (Univ. New Mexico), Pablo A. Vaquer (LANL)
Presentation Slides (Visible to Attendees)
Leveraging the Tensor Train Format for Many Energy Groups Deterministic Neutron Transport
2:30–2:50PM PDT
Mario I. Ortega (LANL), Duc P. Truong (LANL)
Impact of the Multigroup Velocity Approximation in the Evaluation of the Effective Neutron Lifetime
2:50–3:10PM PDT
Giorgio Valocchi (CEA), Jean Tommasi (CEA)
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