Modeling of the Stress-Strain Relationship of Wood Material Beyond Its Elasticity Limit under Cyclic Compressive Loading: Comparative Study of Two Models
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Bibliographic record
Abstract
In this work, we study the relative capacities of two mathematical models for the description of the stress-strain relationship of wood material subjected to damaging cyclic compressive stresses. The models studied are the Mazars-Pijeaudier Cabot model and the Fozao-Foudjet model (Fozao-Foudjet 2). The envelope curves obtained experimentally during the cyclic compression tests were approximated using the two mathematical models and the coefficient determination R 2 was calculated for each of the models. It appears from the observations that the two models present a good fit to the experimental results. In addition, the Fozao-Foudjet 2 model used with the parameters and chosen such as 0.0000.015 and 0.9911.05, shows a better fit to the experimental results compared to the Mazar-Pijeaudier Cabot model.
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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