Prediction of Aeolian Vibration on Transmission-Line Conductors Using a Nonlinear Time History Model—Part I: Damper Model
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Bibliographic record
Abstract
Stockbridge dampers, which consist of a clamp, a messenger cable, and two attached masses, have been successfully used throughout the world for many decades to provide additional damping to transmission-line conductors and reduce aeolian vibration amplitudes. An alternative damper, the Hydro-Québec damper, has a rotational joint with elastomer cylinders to provide stiffness and damping. The objective of this study is to develop a nonlinear model for both types of dampers that predicts their dynamic response for all expected amplitudes and frequencies. These models are built from simple experimental characterization tests to identify stiffness and damping properties. As a validation of the models, the force and phase shift with respect to frequency are obtained numerically and compared successfully to experimental results. These models will be fixed to a conductor model in Part II to predict aeolian vibration amplitudes of damped spans.
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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