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Record W2000722624 · doi:10.1002/2013jb010920

Prediction of the mechanical response of hydrate‐bearing sands

2014· article· en· W2000722624 on OpenAlex

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

VenueJournal of Geophysical Research Solid Earth · 2014
Typearticle
Languageen
FieldEnvironmental Science
TopicMethane Hydrates and Related Phenomena
Canadian institutionsUniversity of Calgary
Fundersnot available
KeywordsHydratePermafrostGeologyGeotechnical engineeringSubmarine pipelineMethaneClathrate hydrateBearing (navigation)Constitutive equationThermodynamicsChemistryFinite element methodOceanography

Abstract

fetched live from OpenAlex

Abstract In recent years there has been an increasing interest in production of methane gas from hydrate‐bearing sediments, located below the permafrost in arctic regions and offshore within the continental margins. In order to simulate the geomechanical response of the hydrate accumulation during gas production, comprehensive evaluation of the sediments' properties is imperative. This paper presents an analysis of the mechanical properties of methane‐hydrate‐bearing sediments determined through numerical simulation of drained triaxial compression tests on three different sand types. The adjustment of the numerical to the experimental results was performed for the entire stress‐strain curves and therefore enables a good understanding of the material constitutive relations. New constitutive relations are suggested for the hydrate‐related properties. An optimization process was used, finding separately the soil skeleton‐related coefficients and the hydrate‐related coefficients. The values of the obtained coefficients associated with the hydrate were found to have minor deviations from each other, for the three examined sand types. By separating the soil skeleton and the hydrate‐related response, this paper suggests a prediction method for the mechanical response of hydrate‐bearing sands.

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)0.004
metaresearch head score (Gemma)0.001
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.552
Threshold uncertainty score0.329

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0040.001
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.001
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 head0.034
GPT teacher head0.297
Teacher spread0.263 · 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