An Illustration of Acceptable Ice Conditions for Vessel Station-Keeping Operations in Pack Ice
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Bibliographic record
Abstract
This paper provides an illustration of how to assess acceptable ice conditions for vessel stationkeeping in pack ice. Numerical simulations are used to examine pack ice interaction with a moored/thruster-assisted vessel, including maximum forces and vessel responses. The ice dynamics model utilized for this purpose is based on solving the equations of momentum and a failure criterion. The station-keeping vessel is modeled as a rigid body with three degrees-of-freedom: surge, sway and yaw. Here, ice conditions and vessel characteristics are chosen within a range of values that are relevant to operations on the Grand Banks during seasonal pack ice intrusions. The simulations examine the influence of several variables, including ice coverage, ice thickness, velocity, floe size, peak forces and vessel offsets. The influence of these variables on peak ice forces and key vessel responses is evaluated from an operating envelope point of view.
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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) | 0.001 | 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 it