Bowtie antenna synthesis#

This example demonstrates how to synthesize a bowtie antenna using the BowTieRounded class. It initiates AEDT through PyAEDT, sets up an empty HFSS design, and proceeds to create the antenna.

Perform required imports#

Import the antenna toolkit class and PyAEDT.

[1]:

import tempfile

[2]:

import ansys.aedt.core

[3]:

from ansys.aedt.toolkits.antenna.backend.antenna_models.bowtie import BowTieRounded

Set AEDT version#

Set AEDT version.

[4]:

aedt_version = "2025.1"

Set non-graphical mode#

Set non-graphical mode.

[5]:

non_graphical = True

Create temporary directory#

[6]:

temp_dir = tempfile.TemporaryDirectory(suffix="_ansys")
project_name = ansys.aedt.core.generate_unique_project_name(root_name=temp_dir.name, project_name="bowtie_example")

Create antenna object only for synthesis#

Create antenna object.

[7]:

oantenna1 = BowTieRounded(None)
print(
    "Arm length: {}{} at {}{}".format(
        str(oantenna1.synthesis_parameters.arm_length.value),
        oantenna1.length_unit,
        oantenna1.frequency,
        oantenna1.frequency_unit,
    )
)

Arm length: 3.7mm at 10.0GHz

Change synthesis frequency#

Modify resonance frequency and modify parameters.

[8]:

oantenna1.frequency = 12.0
print(
    "Arm length: {}{} at {}{}".format(
        str(oantenna1.synthesis_parameters.arm_length.value),
        oantenna1.length_unit,
        oantenna1.frequency,
        oantenna1.frequency_unit,
    )
)

Arm length: 3.03mm at 12.0GHz

Create an empty HFSS design#

Create an empty HFSS design.

[9]:

app = ansys.aedt.core.Hfss(project=project_name, version=aedt_version, non_graphical=non_graphical)

PyAEDT INFO: Python version 3.12.10 (tags/v3.12.10:0cc8128, Apr  8 2025, 12:21:36) [MSC v.1943 64 bit (AMD64)].
PyAEDT INFO: PyAEDT version 0.16.1.
PyAEDT INFO: Initializing new Desktop session.
PyAEDT INFO: Log on console is enabled.
PyAEDT INFO: Log on file C:\Users\ansys\AppData\Local\Temp\pyaedt_ansys_c87f5c30-5080-4b4c-8379-fdaf94c4e0aa.log is enabled.
PyAEDT INFO: Log on AEDT is disabled.
PyAEDT INFO: Debug logger is disabled. PyAEDT methods will not be logged.
PyAEDT INFO: Launching PyAEDT with gRPC plugin.
PyAEDT INFO: New AEDT session is starting on gRPC port 53622.
PyAEDT INFO: Electronics Desktop started on gRPC port: 53622 after 6.1437201499938965 seconds.
PyAEDT INFO: AEDT installation Path C:\Program Files\ANSYS Inc\v251\AnsysEM
PyAEDT INFO: Ansoft.ElectronicsDesktop.2025.1 version started with process ID 12404.
PyAEDT INFO: Project bowtie_example has been created.
PyAEDT INFO: No design is present. Inserting a new design.
PyAEDT INFO: Added design 'HFSS_5WF' of type HFSS.
PyAEDT INFO: Aedt Objects correctly read

Create antenna in HFSS#

Create antenna object, change frequency synthesis, create antenna, and set up in HFSS.

[10]:

oantenna1 = BowTieRounded(app)

PyAEDT INFO: Modeler class has been initialized! Elapsed time: 0m 0sec
PyAEDT INFO: Materials class has been initialized! Elapsed time: 0m 0sec

C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\visualization\advanced\misc.py:43: UserWarning: The PyVista module is required to run functionalities of ansys.aedt.core.visualization.advanced.misc.
Install with

pip install pyvista
  warnings.warn(

[11]:

# Create antenna in HFSS.
oantenna1.model_hfss()

PyAEDT WARNING: Property Command is read-only.
PyAEDT INFO: Parsing design objects. This operation can take time
PyAEDT INFO: Refreshing bodies from Object Info
PyAEDT INFO: Bodies Info Refreshed Elapsed time: 0m 0sec
PyAEDT INFO: 3D Modeler objects parsed. Elapsed time: 0m 0sec
PyAEDT INFO: Union of 2 objects has been executed.
PyAEDT WARNING: Property Command is read-only.
PyAEDT WARNING: Property Command is read-only.

Create antenna setup.

[12]:

oantenna1.setup_hfss()

PyAEDT INFO: Boundary Perfect E PerfE_3YZ2X5 has been created.
PyAEDT INFO: Boundary Perfect E PerfE_DQ5C92 has been created.
PyAEDT INFO: Boundary AutoIdentify port_Patch_L1MKBJ_1 has been created.

[12]:

True

Change default name.

[13]:

oantenna1.name = "MyAmazingAntenna"

Create antenna in HFSS#

Create antenna object, change origin parameter in the antenna definition, create antenna, and set up in HFSS.

[14]:

oantenna2 = BowTieRounded(app, origin=[2, 5, 0], name="MyAntenna")
oantenna2.model_hfss()
oantenna2.setup_hfss()

PyAEDT WARNING: Property Command is read-only.
PyAEDT INFO: Parsing design objects. This operation can take time
PyAEDT INFO: Refreshing bodies from Object Info
PyAEDT INFO: Bodies Info Refreshed Elapsed time: 0m 0sec
PyAEDT INFO: 3D Modeler objects parsed. Elapsed time: 0m 0sec
PyAEDT INFO: Union of 2 objects has been executed.
PyAEDT WARNING: Property Command is read-only.
PyAEDT WARNING: Property Command is read-only.
PyAEDT INFO: Boundary Perfect E PerfE_X5D56H has been created.
PyAEDT INFO: Boundary Perfect E PerfE_EC9CEV has been created.
PyAEDT INFO: Boundary AutoIdentify port_MyAntenna_1 has been created.

[14]:

True

Plot HFSS model#

Plot geometry with PyVista.

[15]:

app.plot()

C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\visualization\plot\pyvista.py:53: UserWarning: The PyVista module is required to run some functionalities of PostProcess.
Install with

pip install pyvista
  warnings.warn(

PyAEDT INFO: Parsing C:/Users/ansys/AppData/Local/Temp/tmpko4j9e7__ansys/pyaedt_prj_OGW/bowtie_example.aedt.
PyAEDT INFO: File C:/Users/ansys/AppData/Local/Temp/tmpko4j9e7__ansys/pyaedt_prj_OGW/bowtie_example.aedt correctly loaded. Elapsed time: 0m 0sec
PyAEDT INFO: aedt file load time 0.015562295913696289
PyAEDT INFO: PostProcessor class has been initialized! Elapsed time: 0m 0sec
PyAEDT INFO: PostProcessor class has been initialized! Elapsed time: 0m 0sec
PyAEDT INFO: Post class has been initialized! Elapsed time: 0m 0sec
PyAEDT ERROR: **************************************************************
PyAEDT ERROR:   File "<frozen runpy>", line 198, in _run_module_as_main
PyAEDT ERROR:   File "<frozen runpy>", line 88, in _run_code
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel_launcher.py", line 18, in <module>
PyAEDT ERROR:     app.launch_new_instance()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\traitlets\config\application.py", line 1075, in launch_instance
PyAEDT ERROR:     app.start()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelapp.py", line 739, in start
PyAEDT ERROR:     self.io_loop.start()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\tornado\platform\asyncio.py", line 205, in start
PyAEDT ERROR:     self.asyncio_loop.run_forever()
PyAEDT ERROR:   File "C:\actions-runner\_work\_tool\Python\3.12.10\x64\Lib\asyncio\base_events.py", line 645, in run_forever
PyAEDT ERROR:     self._run_once()
PyAEDT ERROR:   File "C:\actions-runner\_work\_tool\Python\3.12.10\x64\Lib\asyncio\base_events.py", line 1999, in _run_once
PyAEDT ERROR:     handle._run()
PyAEDT ERROR:   File "C:\actions-runner\_work\_tool\Python\3.12.10\x64\Lib\asyncio\events.py", line 88, in _run
PyAEDT ERROR:     self._context.run(self._callback, *self._args)
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelbase.py", line 545, in dispatch_queue
PyAEDT ERROR:     await self.process_one()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelbase.py", line 534, in process_one
PyAEDT ERROR:     await dispatch(*args)
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelbase.py", line 437, in dispatch_shell
PyAEDT ERROR:     await result
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\ipkernel.py", line 362, in execute_request
PyAEDT ERROR:     await super().execute_request(stream, ident, parent)
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelbase.py", line 778, in execute_request
PyAEDT ERROR:     reply_content = await reply_content
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\ipkernel.py", line 449, in do_execute
PyAEDT ERROR:     res = shell.run_cell(
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\zmqshell.py", line 549, in run_cell
PyAEDT ERROR:     return super().run_cell(*args, **kwargs)
PyAEDT ERROR:   File "C:\Users\ansys\AppData\Local\Temp\ipykernel_1464\123557834.py", line 1, in <module>
PyAEDT ERROR:     app.plot()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\internal\checks.py", line 85, in wrapper
PyAEDT ERROR:     return method(self, *args, **kwargs)
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\application\analysis_3d.py", line 285, in plot
PyAEDT ERROR:     return self.post.plot_model_obj(
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\visualization\post\post_common_3d.py", line 2009, in plot_model_obj
PyAEDT ERROR:     model.plot()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\visualization\plot\pyvista.py", line 1379, in plot
PyAEDT ERROR:     self.populate_pyvista_object()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\visualization\plot\pyvista.py", line 1257, in populate_pyvista_object
PyAEDT ERROR:     self.pv = pv.Plotter(notebook=self.is_notebook, off_screen=self.off_screen, window_size=self.windows_size)
PyAEDT ERROR:               ^^
PyAEDT ERROR: Name 'pv' is not defined on populate_pyvista_object
PyAEDT ERROR: Last Electronics Desktop Message - [error]  script macro error: command is read only. (04:04:50 pm  may 14, 2025)
PyAEDT ERROR: **************************************************************
PyAEDT ERROR: **************************************************************
PyAEDT ERROR:   File "<frozen runpy>", line 198, in _run_module_as_main
PyAEDT ERROR:   File "<frozen runpy>", line 88, in _run_code
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel_launcher.py", line 18, in <module>
PyAEDT ERROR:     app.launch_new_instance()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\traitlets\config\application.py", line 1075, in launch_instance
PyAEDT ERROR:     app.start()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelapp.py", line 739, in start
PyAEDT ERROR:     self.io_loop.start()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\tornado\platform\asyncio.py", line 205, in start
PyAEDT ERROR:     self.asyncio_loop.run_forever()
PyAEDT ERROR:   File "C:\actions-runner\_work\_tool\Python\3.12.10\x64\Lib\asyncio\base_events.py", line 645, in run_forever
PyAEDT ERROR:     self._run_once()
PyAEDT ERROR:   File "C:\actions-runner\_work\_tool\Python\3.12.10\x64\Lib\asyncio\base_events.py", line 1999, in _run_once
PyAEDT ERROR:     handle._run()
PyAEDT ERROR:   File "C:\actions-runner\_work\_tool\Python\3.12.10\x64\Lib\asyncio\events.py", line 88, in _run
PyAEDT ERROR:     self._context.run(self._callback, *self._args)
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelbase.py", line 545, in dispatch_queue
PyAEDT ERROR:     await self.process_one()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelbase.py", line 534, in process_one
PyAEDT ERROR:     await dispatch(*args)
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelbase.py", line 437, in dispatch_shell
PyAEDT ERROR:     await result
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\ipkernel.py", line 362, in execute_request
PyAEDT ERROR:     await super().execute_request(stream, ident, parent)
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\kernelbase.py", line 778, in execute_request
PyAEDT ERROR:     reply_content = await reply_content
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\ipkernel.py", line 449, in do_execute
PyAEDT ERROR:     res = shell.run_cell(
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ipykernel\zmqshell.py", line 549, in run_cell
PyAEDT ERROR:     return super().run_cell(*args, **kwargs)
PyAEDT ERROR:   File "C:\Users\ansys\AppData\Local\Temp\ipykernel_1464\123557834.py", line 1, in <module>
PyAEDT ERROR:     app.plot()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\internal\checks.py", line 85, in wrapper
PyAEDT ERROR:     return method(self, *args, **kwargs)
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\application\analysis_3d.py", line 285, in plot
PyAEDT ERROR:     return self.post.plot_model_obj(
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\visualization\post\post_common_3d.py", line 2009, in plot_model_obj
PyAEDT ERROR:     model.plot()
PyAEDT ERROR:   File "C:\actions-runner\_work\pyaedt-toolkits-antenna\pyaedt-toolkits-antenna\.venv\Lib\site-packages\ansys\aedt\core\visualization\plot\pyvista.py", line 1394, in plot
PyAEDT ERROR:     self.pv.add_key_event("s", s_callback)
PyAEDT ERROR:     ^^^^^^^^^^^^^^^^^^^^^
PyAEDT ERROR: 'nonetype' object has no attribute 'add_key_event' on plot
PyAEDT ERROR: Last Electronics Desktop Message - [error]  script macro error: command is read only. (04:04:50 pm  may 14, 2025)
PyAEDT ERROR: **************************************************************

[15]:

<ansys.aedt.core.visualization.plot.pyvista.ModelPlotter at 0x21eeb8a0170>

Release AEDT#

Release AEDT.

[16]:

app.release_desktop(True, True)

PyAEDT INFO: Desktop has been released and closed.

[16]:

True

Clean temporary directory#

[17]:

temp_dir.cleanup()