Update OpenFOAM example

Author: kks32

examples/openfoam/openfoam-minimal.ipynb

@@ -633,7 +633,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 18,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {
@@ -649,17 +649,21 @@
    ],
    "source": [
     "# Plot drag coefficient (Cd) vs time\n",
-    "plt.plot(data.iloc[100:, 0], data.iloc[100:, 2])\n",
+    "# Convert the pandas Series to NumPy arrays using .to_numpy()\n",
+    "plt.plot(data.iloc[100:, 0].to_numpy(), data.iloc[100:, 2].to_numpy())\n",
+    "# Alternatively, you could use .values:\n",
+    "# plt.plot(data.iloc[100:, 0].values, data.iloc[100:, 2].values)\n",
+    "\n",
     "plt.xlabel(\"Time\")\n",
-    "plt.ylabel(\"$C_d$\")\n",
+    "plt.ylabel(\"$C_d$\") # Using LaTeX for C_d\n",
     "plt.title(\"Drag Coefficient vs Time\")\n",
-    "plt.grid(False)\n",
+    "plt.grid(False) # As per your original code, grid is off. Set to True if you want a grid.\n",
     "plt.show()"
    ]
   },
   {
    "cell_type": "code",
-   "execution_count": 19,
+   "execution_count": null,
    "metadata": {},
    "outputs": [
     {
@@ -675,7 +679,8 @@
    ],
    "source": [
     "# Plot lift coefficient (Cl) vs time\n",
-    "plt.plot(data.iloc[100:, 0], data.iloc[100:, 3])\n",
+    "plt.plot(data.iloc[100:, 0].to_numpy(), data.iloc[100:, 3].to_numpy())\n",
+    "# plt.plot(data.iloc[100:, 0], data.iloc[100:, 3])\n",
     "plt.xlabel(\"Time\")\n",
     "plt.ylabel(\"$C_l$\")\n",
     "plt.title(\"Lift Coefficient vs Time\")\n",

examples/openfoam/openfoam.ipynb

@@ -1110,11 +1110,15 @@
    ],
    "source": [
     "# Plot drag coefficient (Cd) vs time\n",
-    "plt.plot(data.iloc[100:, 0], data.iloc[100:, 2])\n",
+    "# Convert the pandas Series to NumPy arrays using .to_numpy()\n",
+    "plt.plot(data.iloc[100:, 0].to_numpy(), data.iloc[100:, 2].to_numpy())\n",
+    "# Alternatively, you could use .values:\n",
+    "# plt.plot(data.iloc[100:, 0].values, data.iloc[100:, 2].values)\n",
+    "\n",
     "plt.xlabel(\"Time\")\n",
-    "plt.ylabel(\"$C_d$\")\n",
+    "plt.ylabel(\"$C_d$\") # Using LaTeX for C_d\n",
     "plt.title(\"Drag Coefficient vs Time\")\n",
-    "plt.grid(True)\n",
+    "plt.grid(False) # As per your original code, grid is off. Set to True if you want a grid.\n",
     "plt.show()"
    ]
   },
@@ -1136,7 +1140,8 @@
    ],
    "source": [
     "# Plot lift coefficient (Cl) vs time\n",
-    "plt.plot(data.iloc[100:, 0], data.iloc[100:, 3])\n",
+    "plt.plot(data.iloc[100:, 0].to_numpy(), data.iloc[100:, 3].to_numpy())\n",
+    "# plt.plot(data.iloc[100:, 0], data.iloc[100:, 3])\n",
     "plt.xlabel(\"Time\")\n",
     "plt.ylabel(\"$C_l$\")\n",
     "plt.title(\"Lift Coefficient vs Time\")\n",