Design of a Bicycle Frame: Figure depicts a simple bicycle frame, which is to be built of hollow aluminium tubing with outside diameter of 20 mm and wall thickness of 2 mm. The frame is under two loads, F_{1} and F_{2}, which are the loads transferred from the seat and pedals to the frame, respectively. The frame is fully constrained at point 1 and translational degrees of freedom of points 5 and 6 are constrained in both y and z directions. Use ABAQUS to model the frame and obtain the maximum load (F_{1}) the frame can carry assuming safety factor of 2 and using Von Mises Criterion.
Assumptions:
i.The frame is modeled as a single part.
ii.Use beam elements to model the hollow tube of the frame.
iii. F_{1} = 3 F_{2}.
Points coordinates (dimensions are in mm):
Point
Coordinate
X
Y
Z
1
0
325
2
400
3
500
4
5
825
50
6
-50