Sensitivity analysis of plunger-type wavemakers with water current
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Bibliographic record
Abstract
The inclusion of current in a water channel is a critical requirement for recreating accurately scaled ocean environments in a laboratory. In this paper, the effect of a uniform current on the theoretical model of a plunger-type wavemaker has been investigated through a variance-based global sensitivity analysis. The output of the wavemaker model is represented by the ratio of wave amplitude to stroke amplitude. Therefore, the sensitivity analysis evaluates the influence of all uncertain input parameters on the output variance of the model. In addition to the water current, the uncertain input parameters for the wavemaker model were established as the wave frequency, wedge angle, mean wedge depth, water height, and node points on the wavemaker boundary. To account for a range of limitations for both the plunger and the water channel in which it oscillates, the sensitivity analysis was performed for a broad distribution of each parameter. The analysis determined that the wave frequency had the highest influence on the output variance of the wavemaker model. For a uniform water current, the first order and total effect sensitivity indices were estimated as and, respectively. Although the sensitivity of the model to the current was relatively low compared to the wave frequency, there exists an impact due to the interaction of the current with the other parameters. Therefore, it was established that the inclusion of the current in the plunger-type wavemaker model is essential for application of the model to an experimental setup.
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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 | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.004 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.001 | 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