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Computing the Time-Averaged Nuclide Inventory Using the Chebyshev Rational Approximation Method.

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Title: Computing the Time-Averaged Nuclide Inventory Using the Chebyshev Rational Approximation Method.
Authors: Whitmer, Charles1 (AUTHOR) chuckwh@terrapower.com, Zimmerman, George2 (AUTHOR)
Source: Nuclear Science & Engineering. Jun2026, Vol. 200 Issue 6, p1455-1469. 15p.
Subject Terms: *Chebyshev approximation, *Fuel burnup (Nuclear engineering), *Isotopes
Abstract: The Chebyshev Rational Approximation Method (CRAM) algorithm has become the method of choice for modern nuclear depletion calculations. A simple modification of the CRAM yields not only depleted nuclide amounts but also time-averaged nuclide amounts, with little additional calculation cost. [ABSTRACT FROM AUTHOR]
Database: Energy & Power Source
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  Availability: 0
Header DbId: enr
DbLabel: Energy & Power Source
An: 193364452
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
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  Data: Computing the Time-Averaged Nuclide Inventory Using the Chebyshev Rational Approximation Method.
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  Data: <searchLink fieldCode="AR" term="%22Whitmer%2C+Charles%22">Whitmer, Charles</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> chuckwh@terrapower.com</i><br /><searchLink fieldCode="AR" term="%22Zimmerman%2C+George%22">Zimmerman, George</searchLink><relatesTo>2</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Nuclear+Science+%26+Engineering%22">Nuclear Science & Engineering</searchLink>. Jun2026, Vol. 200 Issue 6, p1455-1469. 15p.
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  Data: *<searchLink fieldCode="DE" term="%22Chebyshev+approximation%22">Chebyshev approximation</searchLink><br />*<searchLink fieldCode="DE" term="%22Fuel+burnup+%28Nuclear+engineering%29%22">Fuel burnup (Nuclear engineering)</searchLink><br />*<searchLink fieldCode="DE" term="%22Isotopes%22">Isotopes</searchLink>
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  Data: The Chebyshev Rational Approximation Method (CRAM) algorithm has become the method of choice for modern nuclear depletion calculations. A simple modification of the CRAM yields not only depleted nuclide amounts but also time-averaged nuclide amounts, with little additional calculation cost. [ABSTRACT FROM AUTHOR]
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=enr&AN=193364452
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1080/00295639.2025.2526955
    Languages:
      – Code: eng
        Text: English
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      Pagination:
        PageCount: 15
        StartPage: 1455
    Subjects:
      – SubjectFull: Chebyshev approximation
        Type: general
      – SubjectFull: Fuel burnup (Nuclear engineering)
        Type: general
      – SubjectFull: Isotopes
        Type: general
    Titles:
      – TitleFull: Computing the Time-Averaged Nuclide Inventory Using the Chebyshev Rational Approximation Method.
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          Name:
            NameFull: Whitmer, Charles
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            NameFull: Zimmerman, George
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            – D: 01
              M: 06
              Text: Jun2026
              Type: published
              Y: 2026
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              Value: 00295639
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              Value: 200
            – Type: issue
              Value: 6
          Titles:
            – TitleFull: Nuclear Science & Engineering
              Type: main
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