003-simple-selection-rules.py

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"""
.. _basic_selection_rules_example:

Basic selection rules
=====================

This example shows the basic usage of selection rules, which enable you to select elements through
geometrical operations and thus to shape plies. The example only shows the PyACP part of the setup.
For more advanced selection rule usage, see
:ref:`advanced_selection_rules_example`. For a complete composite
analysis, see :ref:`pymapdl_workflow_example`.
"""


# %%
# Import modules
# --------------
#
# Import the standard library and third-party dependencies.
import pathlib
import tempfile

# %%
# Import the PyACP dependencies.
from ansys.acp.core import LinkedSelectionRule, launch_acp
from ansys.acp.core.extras import ExampleKeys, get_example_file

# sphinx_gallery_thumbnail_number = -1


# %%
# Start ACP and load the model
# ----------------------------


# %%
# Get the example file from the server.
tempdir = tempfile.TemporaryDirectory()
WORKING_DIR = pathlib.Path(tempdir.name)
input_file = get_example_file(ExampleKeys.MINIMAL_FLAT_PLATE, WORKING_DIR)

# %%
# Launch the PyACP server and connect to it.
acp = launch_acp()

# %%
# Load the model from the input file.
model = acp.import_model(input_file)
print(model.unit_system)

# %%
# Visualize the loaded mesh.
mesh = model.mesh.to_pyvista()
mesh.plot(show_edges=True)


# %%
# Create a Parallel Rule
# ----------------------

# %%
# Create parallel selection rule and assign it to the existing ply.

parallel_rule = model.create_parallel_selection_rule(
    name="parallel_rule",
    origin=(0, 0, 0),
    direction=(1, 0, 0),
    lower_limit=0.005,
    upper_limit=1,
)

modeling_ply = model.modeling_groups["modeling_group"].modeling_plies["ply"]
modeling_ply.selection_rules = [LinkedSelectionRule(parallel_rule)]

# %%
# Plot the ply thickness.
model.update()
assert model.elemental_data.thickness is not None
model.elemental_data.thickness.get_pyvista_mesh(mesh=model.mesh).plot(show_edges=True)

# %%
# Create a Cylindrical Rule
# -------------------------

# %%
# Create a cylindrical selection rule and add it to the ply. This will intersect the two rules.
cylindrical_rule = model.create_cylindrical_selection_rule(
    name="cylindrical_rule",
    origin=(0.005, 0, 0.005),
    direction=(0, 1, 0),
    radius=0.002,
)

modeling_ply.selection_rules.append(LinkedSelectionRule(cylindrical_rule))

# %%
# Plot the ply thickness.
model.update()
assert model.elemental_data.thickness is not None
model.elemental_data.thickness.get_pyvista_mesh(mesh=model.mesh).plot(show_edges=True)


# %%
# Create a Spherical Rule
# -----------------------

# %%
# Create a spherical selection rule and assign it to the ply. Now, only the spherical rule is
# active.
spherical_rule = model.create_spherical_selection_rule(
    name="spherical_rule",
    origin=(0.003, 0, 0.005),
    radius=0.002,
)

modeling_ply.selection_rules = [LinkedSelectionRule(spherical_rule)]

# %%
# Plot the ply thickness.
model.update()
assert model.elemental_data.thickness is not None
model.elemental_data.thickness.get_pyvista_mesh(mesh=model.mesh).plot(show_edges=True)

# %%
# Create a Tube Rule
# ------------------

# %%
# Create a tube selection rule and assign it to the ply. Now, only the tube rule is
# active.
tube_rule = model.create_tube_selection_rule(
    name="spherical_rule",
    # Select the pre-exsting _FIXEDSU edge which is the edge at x=0
    edge_set=model.edge_sets["_FIXEDSU"],
    inner_radius=0.001,
    outer_radius=0.003,
)

modeling_ply.selection_rules = [LinkedSelectionRule(tube_rule)]

# %%
# Plot the ply thickness.
model.update()
assert model.elemental_data.thickness is not None
model.elemental_data.thickness.get_pyvista_mesh(mesh=model.mesh).plot(show_edges=True)