Nonlocal fracture analysis of fiber reinforced composites under heat flux loading
Bibliographic record
Abstract
This work aims to explore the fracture characteristics of fiber reinforced composites under heat flux loadings in the framework of Eringen's nonlocal elasticity. Epoxy-based composites reinforced by T300 graphite fiber , AS graphite fiber and S-Glass fiber are examined to study the temperature and nonlocal thermal stress conditions around the crack tips. Both the horizontal and vertical fibers are considered to make the comparisons. By means of the Fourier transform method , the thermal and elastic problems are converted to the singular integral equations and dual integral equations, respectively. After evaluating the integral equations numerically, the temperature and nonlocal stresses around the crack tips are illustrated graphically. The effects of the fiber volume fractions , fiber orientations , and the nonlocal characteristic lengths are investigated in detail. The application of nonlocal theory is proved to be capable of taking the composite's size effect into account as well as removing the singular stress field near the crack tips, which contributes to the development of the fibrous composite's application in various engineering industries.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| 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 | 0.001 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.001 | 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
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".