Source code for pyleecan.Tests.Methods.Slot.test_SlotW15_meth

# -*- coding: utf-8 -*-
from unittest import TestCase
from ddt import ddt, data

from ....Classes.SlotW15 import SlotW15
from numpy import ndarray, arcsin
from ....Classes.LamSlot import LamSlot
from ....Methods.Slot.Slot.comp_height import comp_height
from ....Methods.Slot.Slot.comp_surface import comp_surface
from ....Methods.Slot.Slot.comp_angle_opening import comp_angle_opening
from ....Methods.Slot.SlotWind.comp_surface_wind import comp_surface_wind

# For AlmostEqual
DELTA = 1e-4

SlotW15_test = list()

# Outward Slot
lam = LamSlot(is_internal=False, Rint=0.1325)
lam.slot = SlotW15(H0=5e-3, H1=5e-3, H2=20e-3, R1=4.5e-3, R2=4e-3, W0=5e-3, W3=10e-3)
SlotW15_test.append(
    {
        "test_obj": lam,
        "S_exp": 4.1010919e-4,
        "Aw": 0.10268530,
        "SW_exp": 3.8506988e-4,
        "H_exp": 0.03,
    }
)


[docs]@ddt class test_SlotW15_meth(TestCase): """unittest for SlotW15 methods""" @data(*SlotW15_test) def test_comp_surface(self, test_dict): """Check that the computation of the surface is correct """ test_obj = test_dict["test_obj"] result = test_obj.slot.comp_surface() a = result b = test_dict["S_exp"] msg = "Return " + str(a) + " expected " + str(b) self.assertAlmostEqual((a - b) / a, 0, delta=DELTA, msg=msg) @data(*SlotW15_test) def test_comp_surface_wind(self, test_dict): """Check that the computation of the winding surface is correct """ test_obj = test_dict["test_obj"] result = test_obj.slot.comp_surface_wind() a = result b = test_dict["SW_exp"] msg = "Return " + str(a) + " expected " + str(b) self.assertAlmostEqual((a - b) / a, 0, delta=DELTA, msg=msg) @data(*SlotW15_test) def test_comp_height(self, test_dict): """Check that the computation of the height is correct """ test_obj = test_dict["test_obj"] result = test_obj.slot.comp_height() a = result b = test_dict["H_exp"] msg = "Return " + str(a) + " expected " + str(b) self.assertAlmostEqual((a - b) / a, 0, delta=DELTA, msg=msg) # Check that the analytical method returns the same result as the numerical one b = comp_height(test_obj.slot) msg = "Return " + str(a) + " expected " + str(b) self.assertAlmostEqual((a - b) / a, 0, delta=1e-5, msg=msg) @data(*SlotW15_test) def test_comp_angle_opening(self, test_dict): """Check that the computation of the average opening angle iscorrect """ test_obj = test_dict["test_obj"] a = test_obj.slot.comp_angle_opening() self.assertEqual(a, 2 * arcsin(test_obj.slot.W0 / (2 * 0.1325))) # Check that the analytical method returns the same result as the numerical one b = comp_angle_opening(test_obj.slot) msg = "Return " + str(a) + " expected " + str(b) self.assertAlmostEqual((a - b) / a, 0, delta=DELTA, msg=msg) @data(*SlotW15_test) def test_comp_angle_wind_eq(self, test_dict): """Check that the computation of the average angle is correct """ test_obj = test_dict["test_obj"] result = test_obj.slot.comp_angle_wind_eq() a = result b = test_dict["Aw"] msg = "Return " + str(a) + " expected " + str(b) self.assertAlmostEqual((a - b) / a, 0, delta=DELTA, msg=msg)