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Record W4391464770 · doi:10.1002/9781119815426.ch3

Level III Assessment of Corrosion Anomalies on Pipelines

2024· other· en· W4391464770 on OpenAlex
Y. Frank Cheng

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.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

Venuenot available
Typeother
Languageen
FieldEngineering
TopicStructural Integrity and Reliability Analysis
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsCorrosionPipeline transportForensic engineeringEnvironmental scienceEngineeringMaterials scienceMetallurgyEnvironmental engineering

Abstract

fetched live from OpenAlex

While Levels I and II techniques have been developed for defect assessment on pipelines based on definition of the defect geometry and dimension and inclusion of the interaction between adjacent defects, the Level III method is proposed by considering the nonlinearity associated with the pipelines containing corrosion defects. The Level III defect assessment method represents the most accurate level for pipeline FFS determination and failure prediction by solving various nonlinear functions when assessing a single or multiple corrosion defects on pipelines which experience stresses from various sources. The involved computation is complicated, and finite element analysis is usually used for modeling and calculations. The Level III assessment method is also applicable for corrosion defect contained in a pipeline under mechanical vibration resulting from the ILI tool running, simulating the effect of cyclic loading on defect assessment. In addition to defect assessment on straight pipelines, the Level III assessment technique can be used for burst prediction of pipeline elbow containing corrosion defect. Finally, the interaction between internal and external corrosion defects on pipelines is assessed by the Level III method, determining failure pressure of the corroded pipelines.

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 categoriesInsufficient payload (model declined to judge)
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Not applicable · Consensus signal: Not applicable
GenreCandidate signal: Other · Consensus signal: Other
Teacher disagreement score0.079
Threshold uncertainty score0.995

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)0.0060.000

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 head0.025
GPT teacher head0.285
Teacher spread0.260 · 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