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   "id": "d7bd5fa0-e6ec-4a9a-8b4c-3e725faf6a38",
   "metadata": {},
   "source": [
    "# Local Axes and Loads Demonstration"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "id": "30aabb86-6d34-4b99-9ccb-4007af71acc6",
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     "shell.execute_reply.started": "2023-05-06T12:19:53.618295Z"
    },
    "tags": []
   },
   "outputs": [],
   "source": [
    "import opstool as opst"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "id": "db7a06c4-7afb-416b-a12d-876116093aa4",
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    "execution": {
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    },
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   },
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "The original Tcl file comes from http://www.dinochen.com/, and the Python version is converted by opstool.tcl2py().\n"
     ]
    }
   ],
   "source": [
    "opst.load_ops_examples(\"Frame3D2\")"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "5cef69ae-e83f-4ca6-a37b-3d495b5b5cd7",
   "metadata": {},
   "source": [
    "## Local axes"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "id": "d0d3338f-a59e-44ce-9bed-8ed75faa0c48",
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    "execution": {
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     "shell.execute_reply.started": "2023-05-06T12:19:54.739734Z"
    },
    "tags": []
   },
   "outputs": [
    {
     "data": {
      "text/html": [
       "<pre style=\"white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace\">Model data saved in <span style=\"color: #00aeff; text-decoration-color: #00aeff; font-weight: bold\">opstool_output/ModelData.hdf5</span>!\n",
       "</pre>\n"
      ],
      "text/plain": [
       "Model data saved in \u001b[1;38;2;0;174;255mopstool_output/ModelData.hdf5\u001b[0m!\n"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "opst.plot_model(backend=\"plotly\", show_local_crd=True, local_crd_alpha=1.2,\n",
    "                show_outline=False)"
   ]
  },
  {
   "cell_type": "raw",
   "id": "d147cc0e-4aac-4fd9-9c05-cd600e3d07a5",
   "metadata": {
    "raw_mimetype": "text/restructuredtext",
    "tags": []
   },
   "source": [
    ".. image:: images/Frame3D2model.png\n",
    "    :align: center"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "3df1d6c7-318e-4280-a99e-47d3cf4d1e79",
   "metadata": {},
   "source": [
    "## Loads"
   ]
  },
  {
   "cell_type": "markdown",
   "id": "0dbf2f46-f086-4abd-a6bd-9063fda7312c",
   "metadata": {},
   "source": [
    "First generate gravity loads (nodal loads)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "id": "fda047ab-d942-44ca-bb3e-8677819a394a",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2023-05-06T12:19:55.263326Z",
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     "shell.execute_reply.started": "2023-05-06T12:19:55.263326Z"
    },
    "tags": []
   },
   "outputs": [],
   "source": [
    "opst.gen_grav_load(ts_tag=1, pattern_tag=1, direction=\"Z\", factor=-9810)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "id": "d759e5ac-853b-4c33-84c6-c804112873b5",
   "metadata": {
    "execution": {
     "iopub.execute_input": "2023-05-06T12:19:55.277883Z",
     "iopub.status.busy": "2023-05-06T12:19:55.277883Z",
     "iopub.status.idle": "2023-05-06T12:19:55.403906Z",
     "shell.execute_reply": "2023-05-06T12:19:55.402908Z",
     "shell.execute_reply.started": "2023-05-06T12:19:55.277883Z"
    },
    "tags": []
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   "outputs": [
    {
     "data": {
      "text/html": [
       "<pre style=\"white-space:pre;overflow-x:auto;line-height:normal;font-family:Menlo,'DejaVu Sans Mono',consolas,'Courier New',monospace\">Model data saved in <span style=\"color: #00aeff; text-decoration-color: #00aeff; font-weight: bold\">opstool_output/ModelData.hdf5</span>!\n",
       "</pre>\n"
      ],
      "text/plain": [
       "Model data saved in \u001b[1;38;2;0;174;255mopstool_output/ModelData.hdf5\u001b[0m!\n"
      ]
     },
     "metadata": {},
     "output_type": "display_data"
    }
   ],
   "source": [
    "opst.plot_model(backend=\"plotly\", show_load=True, load_alpha=1.2,\n",
    "                show_outline=False)"
   ]
  },
  {
   "cell_type": "raw",
   "id": "e648cafd-6bbc-4462-a2ee-0f8147752509",
   "metadata": {
    "raw_mimetype": "text/restructuredtext",
    "tags": []
   },
   "source": [
    ".. image:: images/Frame3D2load.png\n",
    "    :align: center"
   ]
  }
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