Nonlinear thermal static and dynamic buckling of imperfect porous functionally graded cylindrical shells reinforced with oblique stiffeners embedded within nonuniform elastic medium
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Bibliographic record
Abstract
This study takes an analytical technique to examine the thermal post-buckling behaviors of imperfect oblique stiffened porous functionally graded cylindrical shells under a thermal environment. The oblique stiffened porous functionally graded cylindrical shells are embedded within a nonuniform elastic medium, whose parameters utilized in the study are determined via Selvadurai’s methodology. In this work, two types of porous functionally graded materials with uniformly and nonuniformly distributed porosities are used for the internal stiffeners and shell. The stiffeners are modeled utilizing Lekhnitskii’s smeared stiffeners technique, and stiffened porous functionally graded cylindrical shells with oblique stiffeners at various angles are investigated. The nonlinear governing equations are formulated via the Donnell shell theory and von-Kármán equation. Then the equation is discretized utilizing Galerkin’s approach to facilitate analysis of the shells’ behavior. The P-T method is employed to determine dynamic thermal post-buckling responses. Therefore, the study looks into material properties, nonuniform elastic medium parameters, and the impact of stiffeners at different angles. The findings of the current research provide valuable insights for researchers and engineers engaged in analyzing and designing oblique stiffened porous functionally graded cylindrical shells integrated with nonuniform elastic medium.
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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)
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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