Source code for pyleecan.Methods.Slot.SlotW13.comp_surface_opening

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

from numpy import sin


[docs]def comp_surface_opening(self): """Compute the Slot opening surface (by analytical computation). Caution, the bottom of the Slot is an Arc Parameters ---------- self : SlotW13 A SlotW13 object Returns ------- S: float Slot opening surface [m**2] """ Rbo = self.get_Rbo() S1 = self.H0 * self.W0 H1 = self.get_H1() S2 = 0.5 * (self.W0 + self.W1) * H1 # The bottom is an arc alpha = self.comp_angle_opening() Sarc = (Rbo ** 2.0) / 2.0 * (alpha - sin(alpha)) # Because Slamination = S - Zs * Sslot if self.is_outwards(): return S1 + S2 - Sarc else: return S1 + S2 + Sarc