Source code for pyleecan.Methods.Slot.HoleM52.comp_surface

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

from numpy import exp, pi, tan


[docs]def comp_surface(self): """Compute the surface of the Hole Parameters ---------- self : HoleM52 A HoleM52 object Returns ------- S: float Surface of the Hole. [m**2] """ Rext = self.get_Rext() alpha = self.comp_alpha() # Angle between (P1,P2) and (0,P0) is slot_pitch /2 # It is also the angle (P1,P2,S) hsp = pi / self.Zh # Half Slot Pitch # Distance P1,P9 D19 = ((Rext - self.H0) * exp(1j * alpha / 2)).imag * 2 # S is the intersectioni between (P1,P9) and the parallel to x passing by P2 D1S = tan(hsp) * (self.H1 - self.H2) W1 = D19 / 2.0 - D1S - self.W0 / 2.0 Smag = self.comp_surface_magnets() # Two air trapeze area Strap = ((D19 / 2.0 - self.W0 / 2.0) + W1) * (self.H1 - self.H2) return Smag + Strap