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Standardized design of advanced nuclear reactors through seismic isolation

2025· article· en· W4415631130 on OpenAlex
Jianhua Xian, Tracy C. Becker

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

aboutThe title or abstract carries a Canadian signal from the geographic lexicon.
no affNo Canadian affiliation: this work is invisible to an affiliation-only frame.
No Canadian affiliation. An affiliation-only frame, the usual design, would never have seen this work. It is one of the works that make the case for inverting the frame.

Bibliographic record

VenueNuclear Engineering and Design · 2025
Typearticle
Languageen
FieldEngineering
TopicSeismic Performance and Analysis
Canadian institutionsnot available
FundersNuclear Energy University ProgramOffice of Nuclear Energy
KeywordsStandardizationNuclear powerSeismic analysisEnvelope (radar)Capital costModular designHazard analysisBuilding designHazard

Abstract

fetched live from OpenAlex

• Discusses challenges facing standardized design of advanced modular reactors, including vendor specific content and site hazards. • Implements seismic hazard binning strategy for addressing variations in site hazard for design accelerations. • Uses isolation to minimize design dependence on payloads, simultaneously minimizing the design requirements for contents and components. • Illustrates the standardization potential using nonlinear time series analysis for diverse site locations with multiple payloads. Seismic hazard poses a significant challenge to the standardized design of nuclear power plants across diverse sites. Seismic isolation has been recognized as a pathway to achieve this standardization owing to its capability for reducing the seismic demand and capital cost. This study seeks to develop a general approach for the standardized design of nuclear power plants through seismic isolation, across a wide range of seismic regions and reactor vendors. To standardize the seismic hazard, the response spectra for 7044 United States and Canadian sites are explored and divided into multiple representative site groups. The envelope response spectrum for each site group is utilized for the isolation system design and the reactor building design, and such a design envelope can be adopted wherever the local response spectrum is below the envelope response spectrum at all frequencies. A reactor building design envelope without major equipment information is developed for each site group, allowing different reactor venders/technologies to install their own components and equipment within a standardized framework. A case study is investigated to demonstrate the feasibility of the present approach to achieve standardization. It is found that a standardized reactor building design envelope developed for a specified site group is sufficient to be constructed at two local sites of the same group, and installing two different sets of major equipment does not need to change the reactor building design and the isolator design.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: Simulation or modeling
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.808
Threshold uncertainty score0.692

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.009
GPT teacher head0.204
Teacher spread0.195 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it