Maxwell 3D segmentation#

This example shows how to use the Magnet Segmentation Toolkit to segment your AEDT motor model.

Perform required imports#

Perform required imports.

[1]:

import os
import shutil
import tempfile

from ansys.aedt.toolkits.common.utils import download_file

from ansys.aedt.toolkits.magnet_segmentation.backend.api import ToolkitBackend

Initialize temporary folder and project settings#

Initialize a temporary folder to copy the input file into and specify project settings.

[2]:

URL_BASE = "https://raw.githubusercontent.com/ansys/example-data/master/toolkits/magnet_segmentation/"
AEDT_PROJECT = "e9_eMobility_IPM_3D"
URL = os.path.join(URL_BASE, AEDT_PROJECT + ".aedt")

temp_dir = tempfile.TemporaryDirectory(suffix=".ansys")
active_project = os.path.join(temp_dir.name, AEDT_PROJECT + ".aedt")
download_file(URL, active_project)
active_design = "e9_eMobility_IPM_3D_test"

Initialize toolkit#

Initialize the toolkit.

[3]:

toolkit = ToolkitBackend()

Get toolkit properties#

Get the toolkit properties.

[4]:

properties = toolkit.get_properties()

Initialize properties#

Initialize a dictionary of properties.

[5]:

properties["aedt_version"] = "2025.1"
properties["active_project"] = AEDT_PROJECT
properties["active_design"] = active_design
properties["design_list"] = {AEDT_PROJECT: [active_design]}
properties["is_skewed"] = False
properties["rotor_material"] = "M250-35A_20C"
properties["stator_material"] = "M250-35A_20C"
properties["magnets_material"] = "N30UH_65C"
properties["magnet_segments_per_slice"] = 2
properties["rotor_slices"] = 2
properties["apply_mesh_sheets"] = False
# properties["mesh_sheets_number"] = 3
properties["skew_angle"] = "2deg"

Set non-graphical mode#

Set non-graphical mode. The default value is False.

[6]:

properties["non_graphical"] = False

Set properties#

Set properties.

[7]:

toolkit.set_properties(properties)

INFO - Updating internal properties.

[7]:

(True, 'Properties were updated successfully.')

Initialize AEDT#

Launch a new AEDT session.

[8]:

toolkit.launch_aedt()

INFO - AEDT is released.

[8]:

True

Open project#

Open the project.

[9]:

toolkit.open_project(active_project)

INFO - Updating internal properties.
INFO - AEDT is released.

[9]:

True

Connect design#

Connect or create a new design.

[10]:

toolkit.connect_design()

INFO - Toolkit is connected to AEDT design.

[10]:

True

Apply segmentation#

Apply segmentation and assign the relative coordinate system.

[11]:

toolkit.segmentation()

INFO - AEDT is released.
INFO - Toolkit is connected to AEDT design.
INFO - Updating internal properties.
INFO - Updating internal properties.
INFO - AEDT is released.

[11]:

True

Apply skew angle#

Apply the skew angle to rotor slices.

[12]:

toolkit.apply_skew()

INFO - Toolkit is connected to AEDT design.
INFO - AEDT is released.

[12]:

True

Validate and analyze design#

Uncomment the line to validate and analyze the design.

toolkit.validate_and_analyze()

Create magnet loss report#

Uncomment the lines to create magnet loss report and compute average value.

magnet_loss = toolkit.get_magnet_loss() print(f”Average magnet loss: {magnet_loss} W”)

Save and release AEDT#

Save and release AEDT.

toolkit.save_project()

[13]:

toolkit.release_aedt(True, True)

INFO - AEDT is released.

[13]:

True

Remove temporary folder#

Remove the temporary folder.

[14]:

shutil.rmtree(temp_dir.name, ignore_errors=True)