Cable-Pulley Interaction with Dynamic Wrap Angle Using the Absolute Nodal Coordinate Formulation
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Bibliographic record
Abstract
This paper presents a finite element model of a flexible cable that has been constructed to accurately model dynamic wrap angles around a static pulley. The study considers a system with a rope running over a pulley and a suspended load on one end moving in a circular arc. The model utilizes the Absolute Nodal Coordinate Formulation to define the generalized coordinates, chosen for its accurate definitions of large non-linear cable deformations. The interaction of the cable with the surface of a pulley is modeled using a contact penalty formulation. An experimental study is performed to analyze the performance of the model outputs: cable tension and wrap angle. During the testing the wrap angle had peak-to-peak oscillations of up to 122 degrees. The numerical simulation shows reasonable agreement with the experimental measurements.
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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 | 0.001 | 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