Abstract
The purpose of this paper is to present the use of uniform design of experiments method and dynamic finite element analysis in improving the permanent deformation of an on-road bicycle frame which undergoes the drop-mass impact test. Firstly, four dimensional parameters of the bicycle frame are selected as the control factors to be improved. Then, uniform design method is used to construct a set of experiments. Each experiment denotes a specific design of frame. Next, for each experiment, the dynamic finite element analysis package ANSYS/LS-DYNA is employed to simulate the behavior of bicycle frame which undergoes the drop-mass impact test and determine the permanent deformation of the frame. Lastly, the best frame of all the experiments which causes the smallest permanent deformation is selected as the improved version of design. Compared with the original design which causes a permanent deformation of 8.458 mm, the improved version causes a permanent deformation of 7.467 mm. The rate of improvement is 11.7 %.
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