Method to Assess the Effects of a Flaw with Residual Stress for Rotorcraft Metallic Structures
Why this work is in the frame
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Bibliographic record
Abstract
Accounting for effects of damage on the fatigue strength of metallic principal structural elements (PSE) is a requirement for fatigue tolerance evaluation of transport category rotorcraft. Parallel to the current structural test approach for showing regulatory compliance, an analysis method is sought. However, developing and executing an analytical compliance methodology has many challenges. One example is the stress state at the root of a flaw, and how that stress state interferes with the residual stress induced by specific processes such as shot peening. This paper presents an analysis method to determine the stress state at the root of a flaw with the presence of residual stresses. The method can quantify the effect of the residual stress on various flaw shapes and sizes, to avoid overly conservative assumptions in certification analysis.
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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 | 0.000 |
| 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