Bibliographic record
Abstract
In this work a three-dimensional finite element(FE) human head model of a six-year old child was developed.Geometrical data of the FE head model were extracted from a set of medical CT scan images of a six-year old child.Finite element meshes were created from the geometric data through the FE preprocessor.The child head model included 44 886 nodes,11 675 shell elements and 37 482 solid elements.The model included skulls,sutures,CSF,cerebrum,cerebellum,and brainstem.Material properties of the child head model were obtained from biomechanical literature.It took less than one hour CPU time for an 11 ms analysis in a workstation.Since there were no experimental test data of child head impact in the literature,Nahum's data were used for impact response comparison.Simulation results showed that the development of coup-contrecoup pressure during impact is suitable to be used in the analysis for the child head.The value of coup and contra-coup stresses were respectively 140 kPa and-60 kPa on the force of 7900 N and HIC value of 775 in the cadaver experiment.Under the same impact condition,the values of coup and contra-coup pressure were 220.2 kPa and-135.2 kPa and 160 kPa and-89 kPa,respectively.These data showed that child head was more vulnerable to the injury than adult head.
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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".