{
"cells": [
{
"cell_type": "markdown",
"metadata": {},
"source": [
"# WEST ICRH Antenna Coupling to Water Load\n",
"In this notebook, the WEST ICRH antenna is tested against a water load, as performed during the antennas commissioning\n",
"\n",
"
\n",
"\n",
"The distance between the antenna front face and the water tank can be varied. This distance is identified as $D_{aq}$ in the following.\n",
"\n",
"The front-face S-parameter have been calculated in ANYSS HFSS with the antenna front-face facing a salty water load tank of same dimension. The goal is to reproduce and compare the performed measurements. "
]
},
{
"cell_type": "code",
"execution_count": 1,
"metadata": {},
"outputs": [],
"source": [
"%matplotlib notebook"
]
},
{
"cell_type": "code",
"execution_count": 2,
"metadata": {},
"outputs": [],
"source": [
"%load_ext autoreload\n",
"%autoreload 2"
]
},
{
"cell_type": "code",
"execution_count": 3,
"metadata": {},
"outputs": [],
"source": [
"import matplotlib.pyplot as plt\n",
"import numpy as np\n",
"import skrf as rf\n",
"from tqdm.notebook import tqdm\n",
"\n",
"import sys; sys.path.append('..')\n",
"from west_ic_antenna import WestIcrhAntenna\n",
"from west_ic_antenna.topica import TopicaResult"
]
},
{
"cell_type": "code",
"execution_count": 4,
"metadata": {},
"outputs": [],
"source": [
"# our frequency band of interest, centred around 55 MHz\n",
"freq = rf.Frequency(54, 56, npoints=1001, unit='MHz')"
]
},
{
"cell_type": "code",
"execution_count": 18,
"metadata": {},
"outputs": [],
"source": [
"# HFSS simulations of the front face facing the water tank\n",
"s_dir = '../west_ic_antenna/data/Sparameters/front_faces/aquarium/HFSS/Epsr_55MHz/'\n",
"# the distance between the antenna front face and the water tank (Daq)\n",
"# goes from 0 to 10 cm \n",
"s_files = [f'WEST_ICRH_front_face_with_aquarium_Daq{idx:02}cm.s4p' for idx in range(0,11)]\n",
"# insert free-air radiating case \n",
"s_files.insert(0, 'WEST_ICRH_front_face_with_aquarium_without_aquarium.s4p')"
]
},
{
"cell_type": "markdown",
"metadata": {},
"source": [
"## Water Tank Coupling Resistances\n",
"Here we calculate the load resistance of the HFSS simulated wated tank at different distances"
]
},
{
"cell_type": "code",
"execution_count": 19,
"metadata": {},
"outputs": [
{
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"text": [
"Wrong solution (out of range capacitor) ! Re-doing...\n",
"False solution #1: [40.98003248 12. ]\n",
"Wrong solution (out of range capacitor) ! Re-doing...\n",
"False solution #1: [150. 150.]\n",
"True solution #1: [52.47309798 46.75672601]\n",
"Rounded result: [52.47, 46.76, 150.0, 150.0]\n",
"True solution #1: [52.58811018 47.47833167]\n",
"Rounded result: [52.59, 47.48, 150.0, 150.0]\n",
"True solution #1: [51.91132011 47.24231241]\n",
"Rounded result: [51.91, 47.24, 150.0, 150.0]\n",
"True solution #1: [51.73828298 47.45685872]\n",
"Rounded result: [51.74, 47.46, 150.0, 150.0]\n",
"Wrong solution (out of range capacitor) ! Re-doing...\n",
"False solution #1: [150. 150.]\n",
"True solution #1: [51.51930113 47.53236774]\n",
"Rounded result: [51.52, 47.53, 150.0, 150.0]\n",
"True solution #1: [51.3715986 47.62941165]\n",
"Rounded result: [51.37, 47.63, 150.0, 150.0]\n",
"True solution #1: [51.23687544 47.70961329]\n",
"Rounded result: [51.24, 47.71, 150.0, 150.0]\n",
"True solution #1: [51.12041374 47.78543004]\n",
"Rounded result: [51.12, 47.79, 150.0, 150.0]\n",
"Wrong solution (out of range capacitor) ! Re-doing...\n",
"False solution #1: [39.23603372 12. ]\n",
"True solution #1: [51.45164937 48.19167512]\n",
"Rounded result: [51.45, 48.19, 150.0, 150.0]\n",
"Wrong solution (out of range capacitor) ! Re-doing...\n",
"False solution #1: [150. 150.]\n",
"Wrong solution (out of range capacitor) ! Re-doing...\n",
"False solution #1: [150. 150.]\n",
"Wrong solution (out of range capacitor) ! Re-doing...\n",
"False solution #1: [150. 150.]\n",
"True solution #1: [50.98405135 47.90772248]\n",
"Rounded result: [50.98, 47.91, 150.0, 150.0]\n",
"Wrong solution (out of range capacitor) ! Re-doing...\n",
"False solution #1: [150. 150.]\n",
"True solution #1: [50.9259411 47.95233777]\n",
"Rounded result: [50.93, 47.95, 150.0, 150.0]\n",
"\n"
]
}
],
"source": [
"power = [1,0]\n",
"phase = [0,0]\n",
"f_match = 55.0e6\n",
"freq = rf.Frequency.from_f(f_match, unit='Hz')\n",
"\n",
"C_matchs = []\n",
"for s_file in tqdm(s_files[1:]): # avoid vacuum case\n",
" _ant = WestIcrhAntenna(frequency=freq, front_face=s_dir+s_file)\n",
" C_match = _ant.match_one_side(f_match=f_match, decimals=2) \n",
" C_matchs.append(C_match)\n"
]
},
{
"cell_type": "code",
"execution_count": 39,
"metadata": {},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"..\\west_ic_antenna\\antenna.py:1070: RuntimeWarning: divide by zero encountered in true_divide\n",
" Rc_right = 2*Prf.real/sum_I_right_avg_square\n"
]
}
],
"source": [
"# Calculate the coupling resistances for each Daq\n",
"# - ideal one (perfect current excitation)\n",
"# - from calculated currents\n",
"# - from calculated voltage and strap reactance approximation (WEST)\n",
"Rcs_ideal = []\n",
"Rcs = []\n",
"Rcs_WEST = []\n",
"\n",
"for C_match, s_file in zip(C_matchs, s_files[1:]):\n",
" _ant = WestIcrhAntenna(frequency=freq, front_face=s_dir+s_file)\n",
" _ant.Cs = C_match\n",
" \n",
" Rcs.append(_ant.Rc(power, phase))\n",
" Rcs_WEST.append(_ant.Rc_WEST(power, phase))\n",
" Rcs_ideal.append(_ant.front_face_Rc([1,0,-1,0]))\n",
"\n",
"Rcs_ideal = np.array(Rcs_ideal)\n",
"Rcs = np.array(Rcs)\n",
"Rcs_WEST = np.array(Rcs_WEST)"
]
},
{
"cell_type": "code",
"execution_count": 42,
"metadata": {
"scrolled": true
},
"outputs": [
{
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"};\n",
"\n",
"mpl.figure.prototype.handle_image_mode = function (fig, msg) {\n",
" fig.image_mode = msg['mode'];\n",
"};\n",
"\n",
"mpl.figure.prototype.handle_history_buttons = function (fig, msg) {\n",
" for (var key in msg) {\n",
" if (!(key in fig.buttons)) {\n",
" continue;\n",
" }\n",
" fig.buttons[key].disabled = !msg[key];\n",
" fig.buttons[key].setAttribute('aria-disabled', !msg[key]);\n",
" }\n",
"};\n",
"\n",
"mpl.figure.prototype.handle_navigate_mode = function (fig, msg) {\n",
" if (msg['mode'] === 'PAN') {\n",
" fig.buttons['Pan'].classList.add('active');\n",
" fig.buttons['Zoom'].classList.remove('active');\n",
" } else if (msg['mode'] === 'ZOOM') {\n",
" fig.buttons['Pan'].classList.remove('active');\n",
" fig.buttons['Zoom'].classList.add('active');\n",
" } else {\n",
" fig.buttons['Pan'].classList.remove('active');\n",
" fig.buttons['Zoom'].classList.remove('active');\n",
" }\n",
"};\n",
"\n",
"mpl.figure.prototype.updated_canvas_event = function () {\n",
" // Called whenever the canvas gets updated.\n",
" this.send_message('ack', {});\n",
"};\n",
"\n",
"// A function to construct a web socket function for onmessage handling.\n",
"// Called in the figure constructor.\n",
"mpl.figure.prototype._make_on_message_function = function (fig) {\n",
" return function socket_on_message(evt) {\n",
" if (evt.data instanceof Blob) {\n",
" /* FIXME: We get \"Resource interpreted as Image but\n",
" * transferred with MIME type text/plain:\" errors on\n",
" * Chrome. But how to set the MIME type? It doesn't seem\n",
" * to be part of the websocket stream */\n",
" evt.data.type = 'image/png';\n",
"\n",
" /* Free the memory for the previous frames */\n",
" if (fig.imageObj.src) {\n",
" (window.URL || window.webkitURL).revokeObjectURL(\n",
" fig.imageObj.src\n",
" );\n",
" }\n",
"\n",
" fig.imageObj.src = (window.URL || window.webkitURL).createObjectURL(\n",
" evt.data\n",
" );\n",
" fig.updated_canvas_event();\n",
" fig.waiting = false;\n",
" return;\n",
" } else if (\n",
" typeof evt.data === 'string' &&\n",
" evt.data.slice(0, 21) === 'data:image/png;base64'\n",
" ) {\n",
" fig.imageObj.src = evt.data;\n",
" fig.updated_canvas_event();\n",
" fig.waiting = false;\n",
" return;\n",
" }\n",
"\n",
" var msg = JSON.parse(evt.data);\n",
" var msg_type = msg['type'];\n",
"\n",
" // Call the \"handle_{type}\" callback, which takes\n",
" // the figure and JSON message as its only arguments.\n",
" try {\n",
" var callback = fig['handle_' + msg_type];\n",
" } catch (e) {\n",
" console.log(\n",
" \"No handler for the '\" + msg_type + \"' message type: \",\n",
" msg\n",
" );\n",
" return;\n",
" }\n",
"\n",
" if (callback) {\n",
" try {\n",
" // console.log(\"Handling '\" + msg_type + \"' message: \", msg);\n",
" callback(fig, msg);\n",
" } catch (e) {\n",
" console.log(\n",
" \"Exception inside the 'handler_\" + msg_type + \"' callback:\",\n",
" e,\n",
" e.stack,\n",
" msg\n",
" );\n",
" }\n",
" }\n",
" };\n",
"};\n",
"\n",
"// from http://stackoverflow.com/questions/1114465/getting-mouse-location-in-canvas\n",
"mpl.findpos = function (e) {\n",
" //this section is from http://www.quirksmode.org/js/events_properties.html\n",
" var targ;\n",
" if (!e) {\n",
" e = window.event;\n",
" }\n",
" if (e.target) {\n",
" targ = e.target;\n",
" } else if (e.srcElement) {\n",
" targ = e.srcElement;\n",
" }\n",
" if (targ.nodeType === 3) {\n",
" // defeat Safari bug\n",
" targ = targ.parentNode;\n",
" }\n",
"\n",
" // pageX,Y are the mouse positions relative to the document\n",
" var boundingRect = targ.getBoundingClientRect();\n",
" var x = e.pageX - (boundingRect.left + document.body.scrollLeft);\n",
" var y = e.pageY - (boundingRect.top + document.body.scrollTop);\n",
"\n",
" return { x: x, y: y };\n",
"};\n",
"\n",
"/*\n",
" * return a copy of an object with only non-object keys\n",
" * we need this to avoid circular references\n",
" * http://stackoverflow.com/a/24161582/3208463\n",
" */\n",
"function simpleKeys(original) {\n",
" return Object.keys(original).reduce(function (obj, key) {\n",
" if (typeof original[key] !== 'object') {\n",
" obj[key] = original[key];\n",
" }\n",
" return obj;\n",
" }, {});\n",
"}\n",
"\n",
"mpl.figure.prototype.mouse_event = function (event, name) {\n",
" var canvas_pos = mpl.findpos(event);\n",
"\n",
" if (name === 'button_press') {\n",
" this.canvas.focus();\n",
" this.canvas_div.focus();\n",
" }\n",
"\n",
" var x = canvas_pos.x * mpl.ratio;\n",
" var y = canvas_pos.y * mpl.ratio;\n",
"\n",
" this.send_message(name, {\n",
" x: x,\n",
" y: y,\n",
" button: event.button,\n",
" step: event.step,\n",
" guiEvent: simpleKeys(event),\n",
" });\n",
"\n",
" /* This prevents the web browser from automatically changing to\n",
" * the text insertion cursor when the button is pressed. We want\n",
" * to control all of the cursor setting manually through the\n",
" * 'cursor' event from matplotlib */\n",
" event.preventDefault();\n",
" return false;\n",
"};\n",
"\n",
"mpl.figure.prototype._key_event_extra = function (_event, _name) {\n",
" // Handle any extra behaviour associated with a key event\n",
"};\n",
"\n",
"mpl.figure.prototype.key_event = function (event, name) {\n",
" // Prevent repeat events\n",
" if (name === 'key_press') {\n",
" if (event.which === this._key) {\n",
" return;\n",
" } else {\n",
" this._key = event.which;\n",
" }\n",
" }\n",
" if (name === 'key_release') {\n",
" this._key = null;\n",
" }\n",
"\n",
" var value = '';\n",
" if (event.ctrlKey && event.which !== 17) {\n",
" value += 'ctrl+';\n",
" }\n",
" if (event.altKey && event.which !== 18) {\n",
" value += 'alt+';\n",
" }\n",
" if (event.shiftKey && event.which !== 16) {\n",
" value += 'shift+';\n",
" }\n",
"\n",
" value += 'k';\n",
" value += event.which.toString();\n",
"\n",
" this._key_event_extra(event, name);\n",
"\n",
" this.send_message(name, { key: value, guiEvent: simpleKeys(event) });\n",
" return false;\n",
"};\n",
"\n",
"mpl.figure.prototype.toolbar_button_onclick = function (name) {\n",
" if (name === 'download') {\n",
" this.handle_save(this, null);\n",
" } else {\n",
" this.send_message('toolbar_button', { name: name });\n",
" }\n",
"};\n",
"\n",
"mpl.figure.prototype.toolbar_button_onmouseover = function (tooltip) {\n",
" this.message.textContent = tooltip;\n",
"};\n",
"mpl.toolbar_items = [[\"Home\", \"Reset original view\", \"fa fa-home icon-home\", \"home\"], [\"Back\", \"Back to previous view\", \"fa fa-arrow-left icon-arrow-left\", \"back\"], [\"Forward\", \"Forward to next view\", \"fa fa-arrow-right icon-arrow-right\", \"forward\"], [\"\", \"\", \"\", \"\"], [\"Pan\", \"Left button pans, Right button zooms\\nx/y fixes axis, CTRL fixes aspect\", \"fa fa-arrows icon-move\", \"pan\"], [\"Zoom\", \"Zoom to rectangle\\nx/y fixes axis, CTRL fixes aspect\", \"fa fa-square-o icon-check-empty\", \"zoom\"], [\"\", \"\", \"\", \"\"], [\"Download\", \"Download plot\", \"fa fa-floppy-o icon-save\", \"download\"]];\n",
"\n",
"mpl.extensions = [\"eps\", \"jpeg\", \"pdf\", \"png\", \"ps\", \"raw\", \"svg\", \"tif\"];\n",
"\n",
"mpl.default_extension = \"png\";/* global mpl */\n",
"\n",
"var comm_websocket_adapter = function (comm) {\n",
" // Create a \"websocket\"-like object which calls the given IPython comm\n",
" // object with the appropriate methods. Currently this is a non binary\n",
" // socket, so there is still some room for performance tuning.\n",
" var ws = {};\n",
"\n",
" ws.close = function () {\n",
" comm.close();\n",
" };\n",
" ws.send = function (m) {\n",
" //console.log('sending', m);\n",
" comm.send(m);\n",
" };\n",
" // Register the callback with on_msg.\n",
" comm.on_msg(function (msg) {\n",
" //console.log('receiving', msg['content']['data'], msg);\n",
" // Pass the mpl event to the overridden (by mpl) onmessage function.\n",
" ws.onmessage(msg['content']['data']);\n",
" });\n",
" return ws;\n",
"};\n",
"\n",
"mpl.mpl_figure_comm = function (comm, msg) {\n",
" // This is the function which gets called when the mpl process\n",
" // starts-up an IPython Comm through the \"matplotlib\" channel.\n",
"\n",
" var id = msg.content.data.id;\n",
" // Get hold of the div created by the display call when the Comm\n",
" // socket was opened in Python.\n",
" var element = document.getElementById(id);\n",
" var ws_proxy = comm_websocket_adapter(comm);\n",
"\n",
" function ondownload(figure, _format) {\n",
" window.open(figure.canvas.toDataURL());\n",
" }\n",
"\n",
" var fig = new mpl.figure(id, ws_proxy, ondownload, element);\n",
"\n",
" // Call onopen now - mpl needs it, as it is assuming we've passed it a real\n",
" // web socket which is closed, not our websocket->open comm proxy.\n",
" ws_proxy.onopen();\n",
"\n",
" fig.parent_element = element;\n",
" fig.cell_info = mpl.find_output_cell(\"