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Record W7065056364

Développement et étude des éléments finis spectraux pour les écoulements rapides

2002· other· fr· W7065056364 on OpenAlexvenueno aff

Bibliographic record

VenueLibrary and Archives Canada (Government of Canada) · 2002
Typeother
Languagefr
FieldPhysics and Astronomy
TopicMagnetic confinement fusion research
Canadian institutionsnot available
Fundersnot available
KeywordsTransient flowTangentSubmersion (mathematics)Stratified flows
DOInot available

Abstract

fetched live from OpenAlex

L'idée fondamentale de ce travail de recherche consiste à l'utilisation de la méthode des éléments spectraux de haute précision pour mieux résoudre la couche limite des écoulements rapides. Ceci a une importance primordiale pour mieux simuler les interactions entre les couches limites et les chocs qui donnent naissance à la séparation de l'écoulement et par conséquent à l'accroissement de la traînée. La prédiction de la traînée est importante particulièrement en aérodynamique transsonique. \n \nOn s'intéresse particulièrement à la modélisation de l'écoulement dans la région de la paroi de la couche limite. On vise à développer un élément de paroi qui serait capable de reproduire la séparation de la couche limite. \n \nHabituellement on utilise des lois de paroi de type log-linéaire. Cependant, le modèle log-lin seul est incapable de modéliser fidèlement les zones de recirculation ou de décollement. On construit un deuxième modèle qui consiste à rajouter une approximation spectrale au profil log-lin afin d'enrichir l'interpolation dans la direction normale à la paroi. L'élément de paroi est donc un prisme où l'approximation est très riche dans la direction normale et linéaire dans le plan tangent où la discrétisation est assurée par des éléments finis. Pour la turbulence, on utilise le modèle de Spalart-Allmaras. \n \n

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.

How this classification was reachedexpand

Full frame machine prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.

metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.002
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Simulation or modeling · Consensus signal: none
GenreCandidate signal: Empirical · Consensus signal: none
Teacher disagreement score0.020
Threshold uncertainty score0.068

Distilled classifier scores by category (both heads)

CategoryCodexGemma
Metaresearch0.0010.002
Meta-epidemiology (narrow)0.0010.001
Meta-epidemiology (broad)0.0010.001
Bibliometrics0.0010.001
Science and technology studies0.0010.001
Scholarly communication0.0020.002
Open science0.0010.001
Research integrity0.0010.003
Insufficient payload (model declined to judge)0.0200.004

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 head0.183
Teacher spread0.174 · 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

Classification

machine, unvalidated

Machine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.

The models applied no category: nothing in the taxonomy fit this work.
Study designSimulation or modeling
Domainnot available
GenreEmpirical

How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".

Quick stats

Citations0
Published2002
Admission routes1
Has abstractyes

Explore more

Same venueLibrary and Archives Canada (Government of Canada)→Same topicMagnetic confinement fusion research→French-language works237,207→