Source code for pyleecan.Methods.Slot.SlotW14.comp_height_wind

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

from numpy import arcsin, cos, exp, pi, sin, tan


[docs]def comp_height_wind(self): """Compute the height of the winding area Parameters ---------- self : SlotW14 A SlotW14 object Returns ------- Hwind: float Height of the winding area [m] """ Rbo = self.get_Rbo() # alpha is the angle to rotate P0 so ||P1,P10|| = W0 alpha = arcsin(self.W0 / (2 * Rbo)) # Compute W1 to have tooth width at W3 Harc = Rbo * (1 - cos(alpha / 2)) if self.is_outwards(): R1 = Rbo - Harc + self.H0 + self.H1 else: R1 = Rbo + Harc - self.H0 - self.H1 theta1 = arcsin(self.W3 * 0.5 / R1) * 2 hsp = pi / self.Zs W1 = sin((hsp * 2 - theta1) * 0.5) * R1 * 2 Z9 = Rbo * exp(-1j * alpha) if self.is_outwards(): Z8 = Z9 + self.H0 Z7 = Z8 + self.H1 - (W1 - self.W0) * 1j / 2 else: Z8 = Z9 - self.H0 Z7 = Z8 - self.H1 - (W1 - self.W0) * 1j / 2 # Rotate Z7 to get the tooth parallel to Ox Z7r = Z7 * exp(1j * hsp) if self.is_outwards(): Z6r = Z7r + self.H3 else: Z6r = Z7r - self.H3 W2 = tan(hsp) * Z6r.real Z5r = Z6r.real + 1j * W2 Z5 = Z5r * exp(-1j * hsp) Z3 = Z7.conjugate() Ztan1 = (Z3 + Z7) / 2.0 Ztan2 = Z5 return abs(Ztan1 - Ztan2)