# Source code for pyleecan.Methods.Slot.SlotM11.comp_surface

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

from numpy import sin, pi

[docs]def comp_surface(self):
"""Compute the Slot total surface (by analytical computation).
Caution, the bottom of the Slot is an Arc

Parameters
----------
self : SlotM11
A SlotM11 object

Returns
-------
S: float
Slot total surface [m**2]

"""

point_dict = self._comp_point_coordinate()
Z1 = point_dict["Z1"]
Z2 = point_dict["Z2"]

R1 = abs(Z1)
R2 = abs(Z2)

S1 = pi * R1 ** 2 * (self.W0 / (2 * pi))
S2 = pi * R2 ** 2 * (self.W0 / (2 * pi))

return abs(S1 - S2)