2025 Fall Meeting
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Oral presentationIII. Fission Energy Engineering : Joint Session of Computational Science and Engineering Division and Reactor Physics Division 301-1 Reactor Physics, Utilization of Nuclear Data, Criticality Safety/301-2 Reactor Design, Nuclear Energy Strategy, Nuclear Transmutation/305-1 Computational Science and Engineering

[2N16-22]Data assimilation/Dimension Reduction/Optimization

Thu. Sep 11, 2025 4:45 PM - 6:45 PM JST
Thu. Sep 11, 2025 7:45 AM - 9:45 AM UTC
Room N(AIM3F Meeting Room 313)
Chair:Ryota Katano(JAEA)
4:45 PM - 5:00 PM JST(7:45 AM - 8:00 AM UTC)

[2N16]Construction of Data Assimilation Framework for Neutronics Design of Novel Nuclear Reactor Cores(3) Proof of Concept of the Framework

*Masahiro Tatsumi1, Yasunobu Nagaya2, Kenichi Tada2 (1. NEL, 2. JAEA)
Comment()
5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[2N17]Statistical error estimation of POD tallies in the two-dimensional C5G7 benchmark using the circular block bootstrap method

*Ryoichi Kondo1, Akio Yamamoto2, Tomohiro Endo2 (1. JAEA, 2. Nagoya Univ.)
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5:15 PM - 5:30 PM JST(8:15 AM - 8:30 AM UTC)

[2N18]Energy group structure exploration method utilizing POD(1) Theory

*Atsushi Kojima1, Go Chiba1, Tatsuya Fujita1 (1. Hokkaido University)
Comment()
5:30 PM - 5:45 PM JST(8:30 AM - 8:45 AM UTC)

[2N19]Energy group structure exploration method utilizing POD(2) Numerical result

Atsushi Kojima1, *Go Chiba1, Tatsuya Fujita1 (1. Hokkaido Univ.)
Comment()
5:45 PM - 6:00 PM JST(8:45 AM - 9:00 AM UTC)

[2N20]Comparison of Simplified Nuclide Number Density Prediction Models for Transmutation Calculations

*Sota Endo1, Junki Masuda1, Go Chiba1, Tatsuya Fujita1 (1. Hokkaido Univ.)
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6:00 PM - 6:15 PM JST(9:00 AM - 9:15 AM UTC)

[2N21]Optimization of Material Arrangement in Medical Neutron Irradiation Devices Using Generalized Perturbation Theory

*Yuta Aizawa1, Go Chiba1, Tatsuya Fujita1 (1. Hokkaido Univ.)
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6:15 PM - 6:30 PM JST(9:15 AM - 9:30 AM UTC)

[2N22]Development of core design optimization process in ARKADIA(4) Analysis of multi-objective optimization results via correlation coefficient

*Kazuki Kuwagaki1, Erina Hamase1, Kenji Yokoyama1, Norihiro Doda1, Masaaki Tanaka1 (1. JAEA)
Comment()
6:30 PM - 6:45 PM JST(9:30 AM - 9:45 AM UTC)

Time reserved for Chair

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