A total of parametric models were generated using a Python‑driven ETABS API. The models encompass three structural typologies:
| Author(s) | Year | Contribution | Relevance | |-----------|------|--------------|-----------| | Kwon & Kim | 2022 | Sensitivity of concrete cracking models to mesh density. | Highlights mesh‑induced anomalies. | | Smith et al. | 2023 | Comparative study of Newton–Raphson vs. Arc‑Length in ETABS. | Provides baseline for solver behavior. | | Lee & Zhou | 2024 | Implementation of tension‑softening curves in commercial software. | Discusses potential discontinuities. | | Patel & Ghosh | 2025 | Early report of “zero‑crack” warnings in ETABS 20.0 beta. | First anecdotal evidence. | Etabs 20.1 0 Crack