An effective means for evaluating mixed-mode I/III stress intensity factors using single-edge notch beam specimen
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Bibliographic record
Abstract
The main objective of this study is to produce a set of practical equations, by which one could evaluate mixed-mode I/III stress intensity factors by conducting a simple mode I single-edge notch bend specimen test as per ASTM D5054. To establish the proposed equations, a comprehensive finite element analysis is conducted to map the stress intensity factors’ distribution through the thickness of the specimen with the aim of establishing the most effective loading condition for evaluating the mode stress intensity factors. An experimental investigation is also conducted to obtain the ultimate fracture load and establish the fracture mechanism under the mixed-mode loading state. A set of correction factors is also proposed, which accounts for the influence of orientation of the initial crack and the applied load on the stress intensity factors.
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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 | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 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