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README.md

@@ -1,12 +1,26 @@
 ---
-title: Combined Loading Circular
-emoji: 📉
-colorFrom: blue
+title: Combined Loading — Circular (Solid/Hollow)
+emoji: 🏗️
+colorFrom: indigo
 colorTo: blue
 sdk: gradio
-sdk_version: 5.49.0
+sdk_version: "4.44.0"
 app_file: app.py
 pinned: false
 ---
 
-Check out the configuration reference at https://huggingface.co/docs/hub/spaces-config-reference
+# Combined Loading Calculator — Circular (Solid/Hollow)
+
+Computes **axial + bending + torsion** stresses for circular sections (solid/hollow):
+- normal stress at the outer fiber, shear from torsion, **von Mises** equivalent, and **FoS** vs. yield.
+- explicit arithmetic shown (with `*`) so students can **see the math**.
+
+## Run locally
+```bash
+pip install -r requirements.txt
+python app.py
+```
+
+## Notes
+- LLM is optional; app falls back to a deterministic one-liner if Transformers/Torch aren't available.
+- Educational demo; ignores stress concentrations, transverse shear, and buckling.