# -*- coding: utf-8 -*-
import pytest
from pyleecan.Classes.HoleM50 import HoleM50
from pyleecan.Classes.LamHole import LamHole
from pyleecan.Classes.SurfLine import SurfLine
from pyleecan.Classes.Magnet import Magnet
# For AlmostEqual
DELTA = 1e-4
[docs]class Test_HoleM50_meth(object):
"""pytest for HoleM50 methods"""
[docs] def test_comp_alpha(self):
"""Check that the computation of the alpha is correct"""
test_obj = LamHole(is_internal=True, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
)
)
result = test_obj.hole[0].comp_alpha()
a = result
b = 0.45304022
assert abs((a - b) / a - 0) < DELTA
[docs] def test_comp_magnet_surface(self):
"""Check that the computation of the magnet surface"""
test_obj = LamHole(is_internal=True, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
)
)
result = test_obj.hole[0].comp_surface_magnets()
a = result
b = 1.4008e-4 * 2
assert abs((a - b) / a - 0) < DELTA
[docs] def test_comp_surface(self):
"""Check that the computation of the slot surface is correct"""
test_obj = LamHole(is_internal=True, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
)
)
result = test_obj.hole[0].comp_surface()
a = result
b = 3.7803e-04
assert abs((a - b) / a - 0) < DELTA
[docs] def test_comp_W5(self):
"""Check that the computation of W5 is correct"""
test_obj = LamHole(is_internal=True, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
)
)
result = test_obj.hole[0].comp_W5()
a = result
b = 5.09275e-3
assert abs((a - b) / a - 0) < DELTA
[docs] def test_build_geometry_two_hole_no_mag(self):
"""check that curve_list is correct (two holes no magnet)"""
test_obj = LamHole(is_internal=True, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
H4=1e-3,
magnet_0=None,
magnet_1=None,
)
)
result = test_obj.hole[0].build_geometry()
assert len(result) == 2
for surf in result:
assert type(surf) is SurfLine
assert "Hole_" in result[0].label
assert "R0_T0_S0" in result[0].label
assert len(result[0].line_list) == 11
assert "Hole_" in result[1].label
assert "R0_T1_S0" in result[1].label
assert len(result[1].line_list) == 11
[docs] def test_build_geometry_one_hole_no_mag(self):
"""check that curve_list is correct (one hole no mag)"""
test_obj = LamHole(is_internal=True, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=52e-3,
W1=0,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
H4=0,
magnet_0=None,
magnet_1=None,
)
)
result = test_obj.hole[0].build_geometry()
assert len(result) == 1
for surf in result:
assert type(surf) is SurfLine
assert "Hole_" in result[0].label
assert "R0_T0_S0" in result[0].label
assert len(result[0].line_list) == 16
[docs] def test_build_geometry_one_hole_with_magnet(self):
"""check that curve_list is correct (one hole)"""
test_obj = LamHole(is_internal=True, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=52e-3,
W1=0,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
H4=0,
magnet_0=Magnet(),
)
)
result = test_obj.hole[0].build_geometry()
assert len(result) == 5
for surf in result:
assert type(surf) is SurfLine
assert "Hole_" in result[0].label
assert "R0_T0_S0" in result[0].label
assert len(result[0].line_list) == 5
assert "HoleMagnet_" in result[1].label
assert "_N_R0_T0_S0" in result[1].label
assert len(result[1].line_list) == 6
assert "Hole_" in result[2].label
assert "R0_T1_S0" in result[2].label
assert len(result[2].line_list) == 6
assert "HoleMagnet_" in result[3].label
assert "_N_R0_T1_S0" in result[3].label
assert len(result[3].line_list) == 6
assert "Hole_" in result[4].label
assert "R0_T2_S0" in result[4].label
assert len(result[4].line_list) == 5
[docs] def test_build_geometry_two_hole_with_magnet(self):
"""check that curve_list is correct (one hole)"""
test_obj = LamHole(is_internal=True, is_stator=False, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
H4=1e-3,
magnet_0=Magnet(),
)
)
result = test_obj.hole[0].build_geometry()
assert len(result) == 6
for surf in result:
assert type(surf) is SurfLine
assert "Hole_" in result[0].label
assert "_R0_T0_S0" in result[0].label
assert len(result[0].line_list) == 7
assert "HoleMagnet_" in result[1].label
assert "_N_R0_T0_S0" in result[1].label
assert len(result[1].line_list) == 6
assert "Hole_" in result[2].label
assert "_R0_T1_S0" in result[2].label
assert len(result[2].line_list) == 4
assert "Hole_" in result[3].label
assert "_R0_T2_S0" in result[3].label
assert len(result[3].line_list) == 4
assert "HoleMagnet_" in result[4].label
assert "_N_R0_T1_S0" in result[4].label
assert len(result[4].line_list) == 6
assert "Hole_" in result[5].label
assert "_R0_T3_S0" in result[5].label
assert len(result[5].line_list) == 7
[docs] def test_build_geometry_two_hole_with_magnet_is_simplified(self):
"""check that curve_list is correct (one hole)"""
test_obj = LamHole(is_internal=True, is_stator=False, Rext=0.075)
test_obj.hole = list()
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
H4=1e-3,
magnet_0=Magnet(),
)
)
result = test_obj.hole[0].build_geometry(is_simplified=True)
assert len(result) == 6
for surf in result:
assert type(surf) is SurfLine
assert "Hole_" in result[0].label
assert "_R0_T0_S0" in result[0].label
assert len(result[0].line_list) == 7
assert "HoleMagnet_" in result[1].label
assert "_N_R0_T0_S0" in result[1].label
assert len(result[1].line_list) == 2
assert "Hole_" in result[2].label
assert "_R0_T1_S0" in result[2].label
assert len(result[2].line_list) == 4
assert "Hole_" in result[3].label
assert "_R0_T2_S0" in result[3].label
assert len(result[3].line_list) == 4
assert "HoleMagnet_" in result[4].label
assert "_N_R0_T1_S0" in result[4].label
assert len(result[4].line_list) == 2
assert "Hole_" in result[5].label
assert "_R0_T3_S0" in result[5].label
assert len(result[5].line_list) == 7
[docs] def test_comp_radius_mid_yoke(self):
test_obj = LamHole(is_internal=True, is_stator=False, Rext=0.325, Rint=0.032121)
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
H4=1e-3,
)
)
assert test_obj.comp_radius_mid_yoke() == 0.1661908960397621
test_obj = LamHole(
is_internal=False, is_stator=False, Rext=0.325, Rint=0.032121
)
test_obj.hole.append(
HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
H4=1e-3,
)
)
# Hole is defined on Rext, so mid yoke is around Rext, Rext H1
assert test_obj.comp_radius_mid_yoke() == 0.324375
[docs] def test_comp_surface_magnet_id(self):
"""check that id is 0"""
hole = HoleM50(
Zh=8,
W0=50e-3,
W1=2e-3,
W2=1e-3,
W3=1e-3,
W4=20.6e-3,
H0=17.3e-3,
H1=1.25e-3,
H2=0.5e-3,
H3=6.8e-3,
)
assert hole.comp_surface_magnet_id(3) == 0
