High-Fidelity Film-Cooled Rotor High Pressure Turbine Simulation using Metric-Based Anisotropic Mesh Adaptation
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Bibliographic record
Abstract
This paper shows the ability of metric-based anisotropic mesh adaptation to accurately predict the aerodynamic flow field on a particularly complex test case: a film-cooled rotor high pressure turbine. Film-cooled high pressure turbine blades are very complex turbomachinery components that in recent years results in very complex geometries. In fact increasing temperatures in the combustion chamber results in cooling needs on the blade surface. For this reason, the film cooled turbine are composed of a cooling network and many different-shaped film-cooling holes which makes these geometries extremely complex to mesh with structured standard meshing approaches. Consequently, metric-based anisotropic mesh adaptation seems quite appropriate for such applications thanks to the fact that it provides automation of the whole process and it allows significant gains in terms of simulation accuracy by capturing coherent flow features proper to the turbomachinery physics. The benefits in terms of accuracy and mesh-convergence are demonstrated on a realistic film-cooled rotor high pressure turbine.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it