.. DO NOT EDIT.
.. THIS FILE WAS AUTOMATICALLY GENERATED BY SPHINX-GALLERY.
.. TO MAKE CHANGES, EDIT THE SOURCE PYTHON FILE:
.. "examples\02-HFSS\Flex_CPWG.py"
.. LINE NUMBERS ARE GIVEN BELOW.
.. only:: html
.. note::
:class: sphx-glr-download-link-note
:ref:`Go to the end <sphx_glr_download_examples_02-HFSS_Flex_CPWG.py>`
to download the full example code.
.. rst-class:: sphx-glr-example-title
.. _sphx_glr_examples_02-HFSS_Flex_CPWG.py:
HFSS: flex cable CPWG
---------------------
This example shows how you can use PyAEDT to create a flex cable CPWG (coplanar waveguide with ground).
.. GENERATED FROM PYTHON SOURCE LINES 8-11
Perform required imports
~~~~~~~~~~~~~~~~~~~~~~~~
Perform required imports.
.. GENERATED FROM PYTHON SOURCE LINES 11-16
.. code-block:: Python
import os
from math import radians, sin, cos, sqrt
import pyaedt
.. GENERATED FROM PYTHON SOURCE LINES 17-20
Set AEDT version
~~~~~~~~~~~~~~~~
Set AEDT version.
.. GENERATED FROM PYTHON SOURCE LINES 20-23
.. code-block:: Python
aedt_version = "2024.1"
.. GENERATED FROM PYTHON SOURCE LINES 24-28
Set non-graphical mode
~~~~~~~~~~~~~~~~~~~~~~
Set non-graphical mode.
You can set ``non_graphical`` either to ``True`` or ``False``.
.. GENERATED FROM PYTHON SOURCE LINES 28-31
.. code-block:: Python
non_graphical = False
.. GENERATED FROM PYTHON SOURCE LINES 32-35
Launch AEDT
~~~~~~~~~~~
Launch AEDT 2023 R2 in graphical mode.
.. GENERATED FROM PYTHON SOURCE LINES 35-46
.. code-block:: Python
hfss = pyaedt.Hfss(specified_version=aedt_version,
solution_type="DrivenTerminal",
new_desktop_session=True,
non_graphical=non_graphical)
hfss.change_material_override(True)
hfss.change_automatically_use_causal_materials(True)
hfss.create_open_region("100GHz")
hfss.modeler.model_units = "mil"
hfss.mesh.assign_initial_mesh_from_slider(applycurvilinear=True)
.. rst-class:: sphx-glr-script-out
.. code-block:: none
True
.. GENERATED FROM PYTHON SOURCE LINES 47-50
Create variables
~~~~~~~~~~~~~~~~
Create input variables for creating the flex cable CPWG.
.. GENERATED FROM PYTHON SOURCE LINES 50-63
.. code-block:: Python
total_length = 300
theta = 120
r = 100
width = 3
height = 0.1
spacing = 1.53
gnd_width = 10
gnd_thickness = 2
xt = (total_length - r * radians(theta)) / 2
.. GENERATED FROM PYTHON SOURCE LINES 64-68
Create bend
~~~~~~~~~~~
Create the bend. The ``create_bending`` method creates a list of points for
the bend based on the curvature radius and extension.
.. GENERATED FROM PYTHON SOURCE LINES 68-85
.. code-block:: Python
def create_bending(radius, extension=0):
position_list = [(-xt, 0, -radius), (0, 0, -radius)]
for i in [radians(i) for i in range(theta)] + [radians(theta + 0.000000001)]:
position_list.append((radius * sin(i), 0, -radius * cos(i)))
x1, y1, z1 = position_list[-1]
x0, y0, z0 = position_list[-2]
scale = (xt + extension) / sqrt((x1 - x0) ** 2 + (z1 - z0) ** 2)
x, y, z = (x1 - x0) * scale + x0, 0, (z1 - z0) * scale + z0
position_list[-1] = (x, y, z)
return position_list
.. GENERATED FROM PYTHON SOURCE LINES 86-89
Draw signal line
~~~~~~~~~~~~~~~~
Draw a signal line to create a bent signal wire.
.. GENERATED FROM PYTHON SOURCE LINES 89-94
.. code-block:: Python
position_list = create_bending(r, 1)
line = hfss.modeler.create_polyline(points=position_list, material="copper", xsection_type="Rectangle",
xsection_width=height, xsection_height=width)
.. GENERATED FROM PYTHON SOURCE LINES 95-98
Draw ground line
~~~~~~~~~~~~~~~~
Draw a ground line to create two bent ground wires.
.. GENERATED FROM PYTHON SOURCE LINES 98-109
.. code-block:: Python
gnd_r = [(x, spacing + width / 2 + gnd_width / 2, z) for x, y, z in position_list]
gnd_l = [(x, -y, z) for x, y, z in gnd_r]
gnd_objs = []
for gnd in [gnd_r, gnd_l]:
x = hfss.modeler.create_polyline(points=gnd, material="copper", xsection_type="Rectangle", xsection_width=height,
xsection_height=gnd_width)
x.color = (255, 0, 0)
gnd_objs.append(x)
.. GENERATED FROM PYTHON SOURCE LINES 110-113
Draw dielectric
~~~~~~~~~~~~~~~
Draw a dielectric to create a dielectric cable.
.. GENERATED FROM PYTHON SOURCE LINES 113-119
.. code-block:: Python
position_list = create_bending(r + (height + gnd_thickness) / 2)
fr4 = hfss.modeler.create_polyline(points=position_list, material="FR4_epoxy", xsection_type="Rectangle",
xsection_width=gnd_thickness, xsection_height=width + 2 * spacing + 2 * gnd_width)
.. GENERATED FROM PYTHON SOURCE LINES 120-123
Create bottom metals
~~~~~~~~~~~~~~~~~~~~
Create the bottom metals.
.. GENERATED FROM PYTHON SOURCE LINES 123-129
.. code-block:: Python
position_list = create_bending(r + height + gnd_thickness, 1)
bot = hfss.modeler.create_polyline(points=position_list, material="copper", xsection_type="Rectangle",
xsection_width=height, xsection_height=width + 2 * spacing + 2 * gnd_width)
.. GENERATED FROM PYTHON SOURCE LINES 130-133
Create port interfaces
~~~~~~~~~~~~~~~~~~~~~~
Create port interfaces (PEC enclosures).
.. GENERATED FROM PYTHON SOURCE LINES 133-157
.. code-block:: Python
port_faces = []
for face, blockname in zip([fr4.top_face_z, fr4.bottom_face_x], ["b1", "b2"]):
xc, yc, zc = face.center
positions = [i.position for i in face.vertices]
port_sheet_list = [((x - xc) * 10 + xc, (y - yc) + yc, (z - zc) * 10 + zc) for x, y, z in positions]
s = hfss.modeler.create_polyline(port_sheet_list, cover_surface=True, close_surface=True)
center = [round(i, 6) for i in s.faces[0].center]
port_block = hfss.modeler.thicken_sheet(s.name, -5)
port_block.name = blockname
for f in port_block.faces:
if [round(i, 6) for i in f.center] == center:
port_faces.append(f)
port_block.material_name = "PEC"
for i in [line, bot] + gnd_objs:
i.subtract([port_block], True)
print(port_faces)
.. rst-class:: sphx-glr-script-out
.. code-block:: none
[7391]
[7391, 7586]
.. GENERATED FROM PYTHON SOURCE LINES 158-161
Create boundary condition
~~~~~~~~~~~~~~~~~~~~~~~~~
Creates a Perfect E boundary condition.
.. GENERATED FROM PYTHON SOURCE LINES 161-168
.. code-block:: Python
boundary = []
for face in [fr4.top_face_y, fr4.bottom_face_y]:
s = hfss.modeler.create_object_from_face(face)
boundary.append(s)
hfss.assign_perfecte_to_sheets(s)
.. GENERATED FROM PYTHON SOURCE LINES 169-172
Create ports
~~~~~~~~~~~~
Creates ports.
.. GENERATED FROM PYTHON SOURCE LINES 172-178
.. code-block:: Python
for s, port_name in zip(port_faces, ["1", "2"]):
reference = [i.name for i in gnd_objs + boundary + [bot]] + ["b1", "b2"]
hfss.wave_port(s.id, reference=reference, name=port_name)
.. GENERATED FROM PYTHON SOURCE LINES 179-182
Create setup and sweep
~~~~~~~~~~~~~~~~~~~~~~
Create the setup and sweep.
.. GENERATED FROM PYTHON SOURCE LINES 182-190
.. code-block:: Python
setup = hfss.create_setup("setup1")
setup["Frequency"] = "2GHz"
setup.props["MaximumPasses"] = 10
setup.props["MinimumConvergedPasses"] = 2
hfss.create_linear_count_sweep(setup="setup1", units="GHz", start_frequency=1e-1, stop_frequency=4,
num_of_freq_points=101, name="sweep1", save_fields=False, sweep_type="Interpolating")
.. rst-class:: sphx-glr-script-out
.. code-block:: none
<pyaedt.modules.SolveSweeps.SweepHFSS object at 0x000002264A844E50>
.. GENERATED FROM PYTHON SOURCE LINES 191-194
Plot model
~~~~~~~~~~
Plot the model.
.. GENERATED FROM PYTHON SOURCE LINES 194-202
.. code-block:: Python
my_plot = hfss.plot(show=False, plot_air_objects=False)
my_plot.show_axes = False
my_plot.show_grid = False
my_plot.plot(
os.path.join(hfss.working_directory, "Image.jpg"),
)
.. image-sg:: /examples/02-HFSS/images/sphx_glr_Flex_CPWG_001.png
:alt: Flex CPWG
:srcset: /examples/02-HFSS/images/sphx_glr_Flex_CPWG_001.png
:class: sphx-glr-single-img
.. rst-class:: sphx-glr-script-out
.. code-block:: none
True
.. GENERATED FROM PYTHON SOURCE LINES 203-207
Analyze and release
~~~~~~~~~~~~~~~~~~~~
Uncomment the ``hfss.analyze`` command if you want to analyze the
model and release AEDT.
.. GENERATED FROM PYTHON SOURCE LINES 207-209
.. code-block:: Python
hfss.release_desktop()
.. rst-class:: sphx-glr-script-out
.. code-block:: none
True
.. rst-class:: sphx-glr-timing
**Total running time of the script:** (1 minutes 3.203 seconds)
.. _sphx_glr_download_examples_02-HFSS_Flex_CPWG.py:
.. only:: html
.. container:: sphx-glr-footer sphx-glr-footer-example
.. container:: sphx-glr-download sphx-glr-download-jupyter
:download:`Download Jupyter notebook: Flex_CPWG.ipynb <Flex_CPWG.ipynb>`
.. container:: sphx-glr-download sphx-glr-download-python
:download:`Download Python source code: Flex_CPWG.py <Flex_CPWG.py>`
.. only:: html
.. rst-class:: sphx-glr-signature
`Gallery generated by Sphinx-Gallery <https://sphinx-gallery.github.io>`_