Source code for pyleecan.Methods.Slot.Slot19.comp_surface

from numpy import sin


[docs]def comp_surface(self): """Compute the Slot total surface (by analytical computation). Caution, the bottom of the Slot is an Arc Parameters ---------- self : Slot19 A Slot19 object Returns ------- S: float Slot total surface [m**2] """ Rbo = self.get_Rbo() # Wint is the with at the top of the opening alpha0 = self.comp_angle_opening() alpha1 = self.comp_angle_bottom() if self.is_outwards(): R1 = Rbo + self.H0 else: R1 = Rbo - self.H0 W0 = 2 * Rbo * sin(alpha0 / 2) W1 = 2 * R1 * sin(alpha1 / 2) Str = 1 / 2 * (W0 + W1) * self.H0 S0 = Rbo ** 2 / 2 * (alpha0 - sin(alpha0)) S1 = R1 ** 2 / 2 * (alpha1 - sin(alpha1)) return Str + S1 - S0