Tube Compliance Effects on Fluidic Flexible Matrix Composite Devices for Rotorcraft Vibration Control
Why this work is in the frame
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Bibliographic record
Abstract
Fluidic Flexible Matrix Composite (FMC) tubes are a new class of lightweight and compact actuators with potential applications in rotorcraft vibration control. These tubes’ high volume change in response to axial strain can be harnessed in new fluidic damper and absorber concepts. In this paper, a model for an FMC-integrated tailboom is used to determine the optimal FMC tube construction for a damped fluidic absorber on a small-scale tailboom. Benchtop experiments are performed to characterize model parameters related to the compliance and volume change of an individual FMC tube. Simulation results indicate that thin, soft tube bladders maximize vibration reduction. A 17.2 dB (86%) reduction in response is predicted in the first vertical tailboom bending mode for an FMC tube design using a stainless steel mesh and /32” thick rubber bladder configuration.
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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) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.001 | 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 it