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Record W4409291682 · doi:10.1080/15376494.2025.2486742

Nonlinear thermal static and dynamic buckling of imperfect porous functionally graded cylindrical shells reinforced with oblique stiffeners embedded within nonuniform elastic medium

2025· article· en· W4409291682 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.
fundA Canadian funder is recorded on the work.

Bibliographic record

VenueMechanics of Advanced Materials and Structures · 2025
Typearticle
Languageen
FieldEngineering
TopicComposite Structure Analysis and Optimization
Canadian institutionsUniversity of Regina
FundersNatural Sciences and Engineering Research Council of Canada
KeywordsMaterials scienceNonlinear systemBucklingStructural engineeringOblique caseComposite materialImperfectThermalShell (structure)Engineering

Abstract

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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.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not 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.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.097
Threshold uncertainty score0.706

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

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.

Opus teacher head0.002
GPT teacher head0.196
Teacher spread0.194 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it