Browse Publications Technical Papers 2003-01-1332

New Approach to High Rigidity Body Construction Using Dynamic Analysis 2003-01-1332

Various deformation shapes of the vehicle body were investigated for the purpose to establish vehicle body's performance criteria which correlates well to handling performance and ride comfort. Using evaluations by experienced test driver, the fact that the rigidity of each body deformation correlated well to different dynamic performance was found. With careful verification test, simple lateral frequency response was chosen as the criteria for handling performance and vertical response was chosen for ride comfort. These were applied to the development of our recent production vehicle body. Finite element analysis simulation with these criteria helped to make new construction to meet body performance targets with minimum weight during planning-stage of the development. Also, the targets of ride comfort and handling performance of actual vehicle were accomplished with very little structural change during the testing and improvement stage of the vehicle development.


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