Effect of a Long-Duration Irregular Excitation on the Dynamic Behavior of a Vertically Baffled Base-Isolated Rectangular Fluid Container
Bibliographic record
Abstract
The dynamic behavior of a partially filled rectangular fluid container isolated by nonlinear hysteretic bearing is numerically investigated.The computational fluid domain with the presence of a submerged vertical baffle is modeled based on a velocity potentialbased Galerkin's finite element method.The competency of the developed model is verified with the existing results.A long-duration irregular harmonic motion is imposed for the time domain analysis.The results indicate that the isolation system has excellent adaptability for different tank-fluid-baffle configurations and is very effective in controlling critical dynamic responses of the fluid tank such as hydrodynamic base shear and sloshing amplitudes.The peak values of the hydrodynamic responses for base-isolated and non-isolated tanks are evaluated for different heights and widths of the submerged baffle, where the effect of change in h/d ratio has a significant impact on the variation in sloshing amplitude and base shear responses as compared to the change in w/L ratio.The application of base isolation reduces the sloshing amplitudes by 12 to 34% in different configurations of the baffle except at h/d=0.5.The base shear is also reduced by 2 to 48% in base-isolated tanks depending upon different baffle configurations.The isolator displacement is invariably found to be maximum when h/d=0.5, irrespective of the width of the baffle.
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How this classification was reachedexpand
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)
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 teacher head, 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".