Calibration-free structural robustness index (R_S) from the Shannon entropy of strain energy, for planar steel frames and trusses under the alternate-load-path (member-removal) method. Verified Python finite-element solver with a progressive-collapse criteria comparison.
python entropy reproducible-research scientific-computing fem finite-element-analysis redundancy structural-engineering structural-analysis civil-engineering truss-solver finite-element-method frame-analysis shannon-entropy numerical-simulation entropy-analysis euler-bernoulli structural-robustness progressive-collapse alternate-load-path
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Updated
Jun 15, 2026 - Python