Browse Publications Technical Papers 2012-32-0101

Strength Analysis of ATV Body Frame Using Computer Simulation 2012-32-0101

In the development of an all-terrain vehicle (ATV), measuring the stress acting on the frame upon landing after a jump is one of the methods for checking the strength of the vehicle body. When the ATV lands on the ground, particularly heavy loads hit the body and the stresses acting on the frame increase accordingly. Therefore, we have developed an efficient method for simulating an ATV landing after a jump so that we can quickly determine the strength of the frame.
To develop the simulation method, we conducted ATV jump-landing experiments, calibrated the results of simulation with the data measured in the experiments, and reproduced the behavior of the frame using mechanism analysis. This made it possible to clarify the boundary conditions of the frame upon jump-landing, which were not fully known before, and calculate the stresses by structure analysis. Furthermore, we developed an easily implemented method of simulation so that designers can analyze the strength of the frame in the design stage before issuing drawings.


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