Source code for pyleecan.Methods.Slot.SlotMFlat.build_geometry

# -*- coding: utf-8 -*-

from numpy import exp

from ....Classes.Arc2 import Arc2
from ....Classes.Segment import Segment


[docs]def build_geometry(self): """Compute the curve (Line) needed to plot the Slot. The ending point of a curve is always the starting point of the next curve in the list Parameters ---------- self : SlotMFlat A SlotMFlat object Returns ------- curve_list: list A list of 3 Segment for each slot + W3 arc """ Rbo = self.get_Rbo() alpha = self.comp_angle_opening() alpha_mag = self.comp_angle_opening_magnet() # Point coordinate for a slot center on Ox Z1 = Rbo * exp(-1j * alpha_mag / 2) Z2 = Rbo * exp(1j * alpha_mag / 2) if self.is_outwards(): Z3 = Z1 + self.H0 Z4 = Z2 + self.H0 else: Z3 = Z1 - self.H0 Z4 = Z2 - self.H0 # Curve list of a single slot curve_list = list() if self.H0 > 0: curve_list.append(Segment(Z1, Z3)) curve_list.append(Segment(Z3, Z4)) if self.H0 > 0: curve_list.append(Segment(Z4, Z2)) # Complete curve list for all the slots (for one pole) slot_list = list() for ii in range(len(self.magnet)): # Compute angle of the middle of the slot beta = -alpha / 2 + alpha_mag / 2 + ii * (self.W3 + alpha_mag) # Duplicate and rotate the slot + bore for each slot for line in curve_list: new_line = type(line)(init_dict=line.as_dict()) new_line.rotate(beta) slot_list.append(new_line) if ii != len(self.magnet) - 1: # Add the W3 except for the last slot slot_list.append(Arc2(slot_list[-1].get_end(), 0, self.W3)) return slot_list