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Tandem Bicycle Frame

March 2017

Group Project with Scott Bunting, Yeon Kim and Patrick Wasinsungworn

Finite Element Analysis (FEA) was used to create an optimised design for a tandem bicycle. The aim of the project was to optimise the mass, natural frequency and lifetime of the frame by iterative design. The final design was 3D printed for display. Static, frequency and fatigue studies were conducted.

My Contribution

Every team member generated several bicycle frame designs and tested them using FEA. Eventually, a frame which combined elements from all 4 team members' configurations was created and found to perform best.


Vertical forces represented the passengers

Boundary Conditions

Fixed geometry was applied to the rear dropouts and fork shell.

Remote loads are applied to model the force of the cyclist's feet on the pedals. These were both applied on the same side, creating a 'worst case scenario'

Left Pedal

Right Pedal


For the fatigue study, 3 load cases were combined, using 'find cycle peaks'


The 3D printed frame

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