Update src/streamlit_app.py

src/streamlit_app.py

@@ -322,7 +322,7 @@ def main():
             f"{sigma_uts} MPa",
             f"{epsilon_break}",
             f"{epsilon_y:.4f}",
-            f"{np.trapz(stress, strain):.1f} MJ/m³"
+            f"{np.trapezoid(stress, strain):.1f} MJ/m³"
         ],
         "Description": [
             "Stiffness in elastic region",