Define an HFSS extent

This page shows how to define an HFSS extent using the SimulationConfiguration class.

from pyedb import Edb

# create EDB
edb = Edb()

# add stackup layers
edb.stackup.add_layer(layer_name="GND", fillMaterial="AIR", thickness="30um")
edb.stackup.add_layer(layer_name="FR4", base_layer="gnd", thickness="250um")
edb.stackup.add_layer(layer_name="SIGNAL", base_layer="FR4", thickness="30um")

# create trace
edb.modeler.create_trace(
    layer_name="SIGNAL", width=0.02, net_name="net1", path_list=[[-1e3, 0, 1e-3, 0]]
)

# create primitive rectangle
edb.modeler.create_rectangle(
    layer_name="GND",
    representation_type="CenterWidthHeight",
    center_point=["0mm", "0mm"],
    width="4mm",
    height="4mm",
    net_name="GND",
)

# create ``SimulationConfiguration`` object
sim_setup = edb.new_simulation_configuration()


#  define air box settings
sim_setup.use_dielectric_extent_multiple = False
sim_setup.use_airbox_horizontal_extent_multiple = False
sim_setup.use_airbox_negative_vertical_extent_multiple = False
sim_setup.use_airbox_positive_vertical_extent_multiple = False
sim_setup.dielectric_extent = 0.0005
sim_setup.airbox_horizontal_extent = 0.001
sim_setup.airbox_negative_vertical_extent = 0.05
sim_setup.airbox_positive_vertical_extent = 0.04

# disable frequency sweep creation
sim_setup.add_frequency_sweep = False

# include only selected nets
sim_setup.include_only_selected_nets = True

# disable cutout
sim_setup.do_cutout_subdesign = False

# disable port generation
sim_setup.generate_excitations = False

# build project
edb.build_simulation_project(sim_setup)
edb.save()
edb.close()