Consideration of vessel induced hydrodynamics in navigation channel design
Bibliographic record
Abstract
Deep draft ships passing through confined channels can significantly alter the surrounding hydrodynamic conditions. In harbour and channel design there is increasing attention being given to the navigation implications, for example, under keel clearance, due to ship interaction with the surrounding hydrodynamic conditions. However, the impact of ship induced hydrodynamics on channel stability, nearby structures and the surrounding environment is generally not addressed in detail during the channel design phase. In recent years, there has been significant advancement in the numerical tools available for investigation of ship induced hydrodynamics and the potential impacts on the wider environment. These tools are able to investigate both the long period (drawdown) and short period (wake) components generated by deep draft ships passing through confined channels. This paper presents an advanced numerical model, SGH, which is able to investigate ship induced hydrodynamics in the channel design phase of a project and presents a case study undertaken for the Burlington Shipping Channel in Canada, where design criteria for channel protection against long-wave induced scour was developed using SGH. This modelling system is able to investigate the generation and propagation of long-and-short period ship-induced waves over a complex bathymetry and water body. A theoretical example of applying a numerical model in the design of a navigation channel to minimise ship wave effects on the wider environment is also presented.
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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".