Status report on multigroup cross section generation code development for high-fidelity deterministic neutronics simulation system. Page: 4 of 70
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Table of Contents
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Summary .............................................................................................................................1
1. Introduction.....................................................................................................................2
2. Review of Existing Methods ..........................................................................................5
2.1 Self-shielding Factor Method ...................................................................................5
2.2 Ultra-fine Group Method...........................................................................................8
2.3 Equivalence Principle Method.................................................................................10
2.4 Subgroup Method.....................................................................................................12
2.5 Rigorous Numerical Treatment of Resonance Absorption......................................14
3. Starting Set of Methodologies.......................................................................................17
3.1 ETOE-2/M C2-2 M ethodologies...............................................................................17
3.2 Improvement Needs.................................................................................................21
4. Status of ETOE-2/IC2-2 Revision................................................................................25
4.1 Code Updates...........................................................................................................25
4.2 Processing of ENDF/B-VII.0 Data..........................................................................37
4.3 Initial Verification and Validation...........................................................................41
5. Conclusion .....................................................................................................................46
R e fe re n c e s ......................................................................................................................4 8
Appendix A....................................................................................................................51
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Yang, W. S. & Lee, C. H. (Nuclear Engineering Division). Status report on multigroup cross section generation code development for high-fidelity deterministic neutronics simulation system., report, May 16, 2008; United States. (https://digital.library.unt.edu/ark:/67531/metadc845106/m1/4/: accessed April 25, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.