add ch

docs/examples/fields/field_analysis.ipynb

@@ -40,7 +40,7 @@
    "id": "a93cab8f-cac0-48cd-b1c3-2841d1ca6dbb",
    "metadata": {},
    "source": [
-    "#### Example: 3D RF GUN "
+    "#### Example: 3D RF GUN From ANSYS"
    ]
   },
   {
@@ -81,7 +81,7 @@
   {
    "cell_type": "code",
    "execution_count": null,
-   "id": "aaa1875e-249f-43f2-a5f7-a61390f805ba",
+   "id": "1e54d538-e0a9-44d4-894a-25f20ddc117e",
    "metadata": {},
    "outputs": [],
    "source": [
@@ -90,6 +90,26 @@
     "plot_curl_equations(FM, ir=10)"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "613b5131-dc3a-42d5-b14d-6a60cb0ddd8b",
+   "metadata": {},
+   "source": [
+    "#### Example: 3D RF GUN"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "70f18414-d6cd-4a1b-b516-dc1fee349a35",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "FM = FieldMesh(\"../data/rfgun_rectangular.h5\")\n",
+    "\n",
+    "plot_curl_equations(FM, ix=2, iy=2)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "id": "2d26b67a-ad78-498b-9210-6eca7d1c31e8",
@@ -147,13 +167,13 @@
     "    current=current,\n",
     "    xmin=-0.9 * R,\n",
     "    xmax=0.9 * R,\n",
-    "    nx=101,\n",
+    "    nx=301,\n",
     "    ymin=-0.9 * R,\n",
     "    ymax=0.9 * R,\n",
-    "    ny=101,\n",
+    "    ny=301,\n",
     "    zmin=-5 * L / 2,\n",
     "    zmax=5 * L / 2,\n",
-    "    nz=105,\n",
+    "    nz=305,\n",
     "    mode=\"rectangular\",\n",
     "    a=R,\n",
     "    h=R,\n",
@@ -178,7 +198,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "check_static_div_equation(FM, plot=True, rtol=0.3, ix=51, iy=51)"
+    "check_static_div_equation(FM, plot=True, rtol=0.1, ix=211, iy=211)"
    ]
   },
   {