Front Assembly: Front Suspension Forks Configuration

#
#
#    fork_left_upper *
#                    |    * STEERING_AXIS_TOP
#                    |     \
#                    |      * STEERING_AXIS_BOTTOM
#                    |
#                    |         * fork_right_upper
#                    |         |
#   fork_left_middle *         |
#                    |         |
#                    |         |
#                    |         |
#  fork_left_bottom  *         * fork_right_middle
#                      \       |
#                       \      |
#           wheel_center *     |
#                          \   |
#                            \ |
#                              *fork_right_bottom
#
#
#

Points Name	Description	Type
wheel_center_front	Center of the Wheel	mobile
STEERING_AXIS_TOP	Steering axis top point	fixed
STEERING_AXIS_BOTTOM	Steering axis bottom point	fixed
fork_right_upper	Fork right upper attachment	mobile
fork_left_upper	Fork left upper attachment	mobile
fork_right_middle	Fork right middle attachment	mobile
fork_left_middle	Fork left middle attachment	mobile
fork_right_bottom	Fork right bottom attachment	mobile
fork_left_bottom	Fork left bottom attachment	mobile

Import necessary libraries

import numpy as np
import pyvista as pv

from pymycar.Cad.MotorCycle.front_assembly import fork_front_suspension

Parameters Definition

data = {
    "wheel_center_front": np.array([1100.0,   0.0,     0.0]),
    "STEERING_AXIS_TOP": np.array([900.0, 0.0, 600.0]),
    "STEERING_AXIS_BOTTOM": np.array([1000.0, 0.0, 500.0]),
    "fork_right_upper": np.array([900.0, -200.0, 600.0]),
    "fork_left_upper": np.array([900.0, 200.0, 600.0]),
    # "fork_right_middle": np.array([999.0, -200.0, 300.0]),
    # "fork_left_middle": np.array([999.0, 200.0, 300.0]),
    "fork_right_bottom": np.array([1100.0, -200.0, 0.0]),
    "fork_left_bottom": np.array([1100.0, 200.0, 0.0]),
}

wheel = pv.Cylinder(center=data["wheel_center_front"], direction=(0, 1, 0), height=50, radius=200)
wheel = pv.ParametricTorus(ringradius=200, crosssectionradius=80).translate(data["wheel_center_front"]).rotate_x(90)

bar_right_top,  U_form_upper, U_form_bottom = fork_front_suspension(data)


plotter = pv.Plotter()
plotter.add_mesh(wheel, color="black", opacity=1.0)
plotter.add_mesh(bar_right_top, color="red")
plotter.add_mesh(U_form_upper, color="blue")
plotter.add_mesh(U_form_bottom, color="green")


# Add points to the plot
for name, coord in data.items():
    plotter.add_mesh(pv.Sphere(radius=5, center=coord), color='red')

# Add text annotations
for name, coord in data.items():
    plotter.add_point_labels([coord], [name], point_size=20, font_size=30, text_color='black', always_visible=True)

plotter.show()

Static Scene

Interactive Scene