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Record W4300954982 · doi:10.1615/tsfp4.940

LARGE EDDY SIMULATION OF FREE SURFACE FLOW

2005· article· en· W4300954982 on OpenAlexaff
Ji Hua, Fue‐Sang Lien, Al B. Strong

Bibliographic record

VenueProceeding of Fourth International Symposium on Turbulence and Shear Flow Phenomena · 2005
Typearticle
Languageen
FieldEngineering
TopicComputational Fluid Dynamics and Aerodynamics
Canadian institutionsUniversity of Waterloo
Fundersnot available
KeywordsFree surfaceDiscretizationVolume of fluid methodCartesian coordinate systemOpen-channel flowDiscontinuity (linguistics)Boundary (topology)GeometryMechanicsSurface (topology)Polygon meshRegular gridFlow (mathematics)Mathematical analysisMathematicsPhysicsGrid

Abstract

fetched live from OpenAlex

A front tracking method is developed for three dimensional free surface problems. Triangulated surface meshes are used to represent the free surface and compute the geometric parameters. The volume fraction of fluid and the surface area cut by the interface in a Cartesian control volume are computed in terms of boolean operations. The normal stress boundary conditions are added at the exact location of the interface. The tangential stress boundary conditions are enhanced with the least squares technique when the velocity boundary conditions are extrapolated. The Cartesian grid method (or cut-cell method) is used to discretize the governing equations and treat the interface as a sharp discontinuity. This method is applied to implement LES of free surface flows in an open channel with small amplitude waves. The numerical results are in excellent agreement with experimental and DNS data.

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 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: Empirical
Teacher disagreement score0.051
Threshold uncertainty score0.628

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 head0.008
GPT teacher head0.225
Teacher spread0.217 · 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 teacher head, 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

Citations1
Published2005
Admission routes1
Has abstractyes

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