Proposal for the Design of a Dynamically Loaded Pressure Vessel With the Ratio of the Pulse Period to the Vessel Natural Vibration Period More Than 0.35
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Bibliographic record
Abstract
Abstract In ASME BPVC Section VIII Division 3 (2021) [1], impulse loading has been defined as “a loading whose duration is a fraction of the periods of the significant dynamic response modes of the vessel components. For a vessel, this fraction is limited to less than 35% of the fundamental, membrane-stress dominated (breathing) mode”. In this article, designing a pressure vessel for a Fusion Demonstration Plant (FDP) that is exposed to pressure pulses as high as 34.5 MPa at 14.3 msec period is discussed. The vessel and the connected accumulators (gas drivers) to it have a dominant natural frequency of about 102 Hz, related to the breathing mode based on our dynamic analysis was used. The ratio of the pulse period to the natural vibration period of the vessel is 1.457. This is much higher than the 0.35 limit in the code. In this article, the design criteria are detailed, and it is proposed to be added to the ASME BPVC Section VIII Division 3.
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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