A New Expression of Internal Stiffness for Load Path Analysis in Structures
Bibliographic record
Abstract
The load transfer inside a given structure can be expressed by load paths. Based on the concept of internal stiffness that is independent of stress analysis, the [Formula: see text]* index is a powerful tool to visualize the load paths by measuring strain energy caused by displacement at the loading point. In this short communication, a scalar index [Formula: see text]* is introduced as a new expression of internal stiffness to visualize the load paths with a greater precision. The load paths are defined as the streamlines following the decay direction of the internal stiffness. Based on the numerical simulations, [Formula: see text]* load paths have higher load transfer efficiency compared to [Formula: see text]* counterparts. The experimental study of an [Formula: see text]-bracket with stiffeners placed on the main load paths further verifies the effectiveness of the [Formula: see text]* index for load path analysis. The proposed concept for load path analysis showcases great potential in design evaluation and optimization for load-bearing components from a macroscopic view.
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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 | 0.001 | 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 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".