Source code for pyleecan.Methods.Machine.Magnet.comp_angle_opening
# -*- coding: utf-8 -*-
from numpy import arcsin
from ....Methods import ParentMissingError
[docs]def comp_angle_opening(self):
"""Compute the opening angle of the magnet at the lamination bore radius
Parameters
----------
self : Magnet
A Magnet object
Returns
-------
alpha_mag: float
Magnet opening angle [rad]
"""
if self.IS_FLAT_BOT:
if self.parent is not None:
(Z1, Z2) = self.parent.get_point_bottom()
return 2 * arcsin(self.Wmag / (2 * abs(Z1)))
else:
raise ParentMissingError(
"Error: The magnet object is not inside a " + "slot object"
)
else:
return self.Wmag