Source code for pyleecan.Methods.Machine.MagnetType11.build_geometry

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

from numpy import array, exp, arctan

from ....Classes.SurfLine import SurfLine
from ....Classes.Arc1 import Arc1
from ....Classes.Segment import Segment
from ....Methods import ParentMissingError


[docs]def build_geometry(self, alpha=0, delta=0, is_simplified=False): """Compute the curve (Segment, Arc1) needed to plot the Magnet. The list represents a closed surface. The ending point of a curve is always the starting point of the next curve in the list Parameters ---------- self : Magnet_Type_11 A Magnet_Type_11 object alpha : float Angle for rotation [rad] delta : complex Complex value for translation is_simplified: bool True to avoid line superposition Returns ------- surf_list : list list of surfaces needed to draw the magnet """ if self.parent is not None: (Z1, Z2) = self.parent.get_point_bottom() H0 = self.parent.H0 W0 = self.parent.W0 else: raise ParentMissingError( "Error: The magnet object is not inside a " + "slot object" ) # defining label for type_magnetization if self.type_magnetization == 0: t_p = "Radial" elif self.type_magnetization == 1: t_p = "Parallel" elif self.type_magnetization == 2: t_p = "Hallbach" [Z1, Z2, Z3, Zs3, Zs4, Z4, Zref] = self._comp_point_coordinate() # Creation of curve curve_list = list() if is_simplified and W0 > self.Wmag: curve_list.append(Segment(Z1, Z3)) elif is_simplified and H0 < self.Hmag: curve_list.append(Segment(Zs3, Z3)) elif not is_simplified: curve_list.append(Segment(Z1, Z3)) curve_list.append(Arc1(Z3, Z4, abs(Z3))) if is_simplified and W0 > self.Wmag: curve_list.append(Segment(Z4, Z2)) elif is_simplified and H0 < self.Hmag: curve_list.append(Segment(Z4, Zs4)) elif not is_simplified: curve_list.append(Segment(Z4, Z2)) if not is_simplified: curve_list.append(Arc1(Z2, Z1, -abs(Z2), is_trigo_direction=False)) surf_list = list() surf_list.append( SurfLine( line_list=curve_list, label="MagnetRotor" + t_p + "_N_R0_T0_S0", point_ref=Zref, ) ) # Apply transformation for surf in surf_list: surf.rotate(alpha) surf.translate(delta) return surf_list