Source code for pyleecan.Methods.Slot.SlotW21.build_geometry_active

from numpy import linspace, zeros

from ....Classes.Segment import Segment
from ....Classes.SurfLine import SurfLine
from ....Functions.labels import WIND_LAB, DRAW_PROP_LAB


[docs]def build_geometry_active(self, Nrad, Ntan, alpha=0, delta=0): """Split the slot winding area in several zone Parameters ---------- self : SlotW21 A SlotW21 object Nrad : int Number of radial layer Ntan : int Number of tangentiel layer alpha : float Angle for rotation (Default value = 0) [rad] delta : Complex complex for translation (Default value = 0) Returns ------- surf_list: List of surface delimiting the winding zone """ # get the name of the lamination lam_label = self.parent.get_label() point_dict = self._comp_point_coordinate() Z3 = point_dict["Z3"] Z4 = point_dict["Z4"] Z5 = point_dict["Z5"] Z6 = point_dict["Z6"] X = linspace(Z3, Z4, Nrad + 1) # Nrad+1 and Ntan+1 because 3 points => 2 zones Z = zeros((Nrad + 1, Ntan + 1), dtype=complex) for ii in range(Nrad + 1): Z[ii][:] = linspace(X[ii], X[ii].conjugate(), Ntan + 1) assert Z[0][0] == Z3 assert Z[Nrad][0] == Z4 assert Z[0][Ntan] == Z6 assert Z[Nrad][Ntan] == Z5 # We go thought the zone by Rad then Tan, starting by (0,0) surf_list = list() for jj in range(Ntan): # jj from 0 to Ntan-1 for ii in range(Nrad): # ii from 0 to Nrad-1 point_ref = ( Z[ii][jj] + Z[ii][jj + 1] + Z[ii + 1][jj + 1] + Z[ii + 1][jj] ) / 4 # tre reference point of the surface # With one zone the order would be [Z6,Z3,Z4,Z5] curve_list = list() curve_list.append(Segment(Z[ii][jj], Z[ii][jj + 1])) curve_list.append( Segment( Z[ii][jj + 1], Z[ii + 1][jj + 1], prop_dict={DRAW_PROP_LAB: False} ) ) curve_list.append( Segment( Z[ii + 1][jj + 1], Z[ii + 1][jj], prop_dict={DRAW_PROP_LAB: False} ) ) curve_list.append( Segment(Z[ii + 1][jj], Z[ii][jj], prop_dict={DRAW_PROP_LAB: jj != 0}) ) surface = SurfLine( line_list=curve_list, label=lam_label + "_" + WIND_LAB + "_R" + str(ii) + "-T" + str(jj) + "-S0", point_ref=point_ref, ) surf_list.append(surface) for surf in surf_list: surf.rotate(alpha) surf.translate(delta) return surf_list