HFSS 3D Layout: SIwave DCIR analysis in HFSS 3D Layout

This example shows how you can use configure HFSS 3D Layout for SIwave DCIR analysis.

import os
import tempfile
import pyaedt

Set AEDT version

Set AEDT version.

aedt_version = "2024.1"

Configure EDB for DCIR analysis

Copy example into temporary folder

temp_dir = tempfile.gettempdir()
dst_dir = os.path.join(temp_dir, pyaedt.generate_unique_name("pyaedt_dcir"))
os.mkdir(dst_dir)
local_path = pyaedt.downloads.download_aedb(dst_dir)

Load example board into EDB

appedb = pyaedt.Edb(local_path, edbversion=aedt_version)

PyEDB INFO: StdOut is enabled
PyEDB INFO: Logger is initialized in EDB.
PyEDB INFO: legacy v0.7.1
PyEDB INFO: Python version 3.10.9 (remotes/origin/4e018266dafe29ec2836492d71d245fcfd366d07-dirty:4e018266, Jan  3 2) [MSC v.1920 64 bit (AMD64)]
PyEDB INFO: Database Galileo.aedb Opened in 2024.1
PyEDB INFO: Cell Galileo_um Opened
PyEDB INFO: Builder was initialized.
PyEDB INFO: EDB initialized.

Create pin group on VRM positive pins

gnd_name = "GND"
appedb.siwave.create_pin_group_on_net(
    reference_designator="U3A1",
    net_name="BST_V3P3_S5",
    group_name="U3A1-BST_V3P3_S5")

('U3A1-BST_V3P3_S5', <pyedb.dotnet.edb_core.edb_data.sources.PinGroup object at 0x000002713EAD0340>)

Create pin group on VRM negative pins

appedb.siwave.create_pin_group_on_net(
    reference_designator="U3A1",
    net_name="GND",
    group_name="U3A1-GND")

('U3A1-GND', <pyedb.dotnet.edb_core.edb_data.sources.PinGroup object at 0x0000027157A980A0>)

Create voltage source between VRM positive and negative pin groups

appedb.siwave.create_voltage_source_on_pin_group(
    pos_pin_group_name="U3A1-BST_V3P3_S5",
    neg_pin_group_name="U3A1-GND",
    magnitude=3.3,
    name="U3A1-BST_V3P3_S5"
)

True

Create pin group on sink component positive pins

appedb.siwave.create_pin_group_on_net(
    reference_designator="U2A5",
    net_name="V3P3_S5",
    group_name="U2A5-V3P3_S5")

('U2A5-V3P3_S5', <pyedb.dotnet.edb_core.edb_data.sources.PinGroup object at 0x0000027157A77F40>)

Create pin group on sink component negative pins

appedb.siwave.create_pin_group_on_net(
    reference_designator="U2A5",
    net_name="GND",
    group_name="U2A5-GND")

# ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
# Create place current source between sink component positive and negative pin groups
appedb.siwave.create_current_source_on_pin_group(
    pos_pin_group_name="U2A5-V3P3_S5",
    neg_pin_group_name="U2A5-GND",
    magnitude=1,
    name="U2A5-V3P3_S5"
)

True

Add SIwave DCIR analysis

appedb.siwave.add_siwave_dc_analysis(name="my_setup")

<pyedb.dotnet.edb_core.edb_data.siwave_simulation_setup_data.SiwaveDCSimulationSetup object at 0x0000027157A77310>

Save and close EDB

Save and close EDB.

appedb.save_edb()
appedb.close_edb()

PyEDB INFO: EDB file save time: 0.00ms
PyEDB INFO: EDB file release time: 0.00ms

True

Analysis DCIR in AEDT

Launch AEDT and import the configured EDB and analysis DCIR

desktop = pyaedt.Desktop(aedt_version, non_graphical=False, new_desktop_session=True)
hfss3dl = pyaedt.Hfss3dLayout(local_path)
hfss3dl.analyze()
hfss3dl.save_project()

PyEDB INFO: Initializing new Desktop session.
PyEDB INFO: StdOut is enabled
PyEDB INFO: Log on file is enabled
PyEDB INFO: Log on Desktop Message Manager is enabled
PyEDB INFO: Debug logger is disabled. PyAEDT methods will not be logged.
PyEDB INFO: Launching PyAEDT outside AEDT with gRPC plugin.
PyEDB INFO: New AEDT session is starting on gRPC port 54670
PyEDB INFO: AEDT installation Path C:\Program Files\AnsysEM\v241\Win64
PyEDB INFO: Ansoft.ElectronicsDesktop.2024.1 version started with process ID 1076.
PyEDB INFO: pyaedt v0.8.8
PyEDB INFO: Python version 3.10.9 (remotes/origin/4e018266dafe29ec2836492d71d245fcfd366d07-dirty:4e018266, Jan  3 2) [MSC v.1920 64 bit (AMD64)]
PyEDB INFO: AEDT 2024.1.0 Build Date 2023-11-27 22:16:18
PyEDB INFO: Returning found Desktop session with PID 1076!
PyEDB INFO: EDB folder D:\Temp\pyaedt_dcir_17J90A\edb/Galileo.aedb\edb.def has been imported to project Galileo
PyEDB INFO: Active Design set to Galileo_um
PyEDB INFO: Aedt Objects correctly read
PyEDB INFO: Key Desktop/ActiveDSOConfigurations/HFSS 3D Layout Design correctly changed.
PyEDB INFO: Solving all design setups
PyEDB INFO: Key Desktop/ActiveDSOConfigurations/HFSS 3D Layout Design correctly changed.
PyEDB INFO: Design setup None solved correctly in 0.0h 0.0m 53.0s
PyEDB INFO: Project Galileo Saved correctly

True

Get element data

Get current source

current_source = hfss3dl.get_dcir_element_data_current_source(setup="my_setup")
print(current_source)

# ~~~~~~~~~~~~~~~~~~~
# Get via information

via = hfss3dl.get_dcir_element_data_via(setup="my_setup")
print(via)

PyEDB INFO: Parsing D:/Temp/pyaedt_dcir_17J90A/edb/Galileo.aedt.
PyEDB INFO: File D:/Temp/pyaedt_dcir_17J90A/edb/Galileo.aedt correctly loaded. Elapsed time: 0m 0sec
PyEDB INFO: aedt file load time 0.10938048362731934
PyEDB INFO: Loading Modeler.
PyEDB INFO: Modeler loaded.
PyEDB INFO: EDB loaded.
PyEDB INFO: Layers loaded.
PyEDB INFO: Primitives loaded.
PyEDB INFO: Modeler class has been initialized! Elapsed time: 0m 0sec
PyEDB INFO: PostProcessor class has been initialized! Elapsed time: 0m 0sec
PyEDB INFO: Post class has been initialized! Elapsed time: 0m 0sec
PyEDB INFO: Solution Data Correctly Loaded.
               Voltage
U2A5-V3P3_S5  3.294553
PyEDB INFO: Solution Data Correctly Loaded.
PyEDB INFO: Solution Data Correctly Loaded.
PyEDB INFO: Solution Data Correctly Loaded.
PyEDB INFO: Solution Data Correctly Loaded.
PyEDB INFO: Solution Data Correctly Loaded.
PyEDB INFO: Solution Data Correctly Loaded.
                             X
J1-6<BOTTOM,TOP>      0.003632
J1A6-3<BOTTOM,TOP>    0.034595
J1B2-2<BOTTOM,GND>    0.007493
J1B2-2<GND,TOP>       0.007493
J2A1-4<BOTTOM,TOP>    0.026975
...                        ...
via_4873<GND,TOP>     0.056947
via_4874<BOTTOM,GND>  0.086106
via_4874<GND,TOP>     0.086106
via_4875<BOTTOM,GND>  0.082550
via_4875<GND,TOP>     0.082550

[883 rows x 1 columns]

Get voltage

Get voltage from dcir solution data

voltage = hfss3dl.get_dcir_solution_data(setup="my_setup", show="Sources", category="Voltage")
print({expression: voltage.data_magnitude(expression) for expression in voltage.expressions})

PyEDB INFO: Solution Data Correctly Loaded.
{'SeriesRV(U3A1-BST_V3P3_S5)': [1.000632290113], 'V(U2A5-V3P3_S5)': [3294.553400696]}

Close AEDT

desktop.release_desktop()

PyEDB INFO: Desktop has been released and closed.

True