A Comparative Study on the Truck Frame Stiffness with Solid and Beam Element FEA Models
- 1 Department of Mechanical and Civil Engineering, College of Engineering and Sciences, Purdue University Northwest, Westville, USA
- 2 Department of Mechanical and Civil Engineering, College of Engineering and Sciences, Purdue University Northwest, Westville, USA
- 3 Department of Mechanical and Civil Engineering, College of Engineering and Sciences, Purdue University Northwest, Westville, USA
- 4 Department of Mechanical and Civil Engineering, College of Engineering and Sciences, Purdue University Northwest, Westville, USA
Abstract
Truck frames should be designed and fabricated with enough rigidity to avoid excessive deflections. Finite element analysis (FEA) plays an important role in all stages of frame designs. While being accurate, 3D solid element FEA models are built upon frame configuration details which are not feasible in the preliminary design stage, partially because of limited available design data of frames and heavy computation costs. This research develops 1D beam element FEA models for simulating frame structures. In this paper, the CAD model of a truck frame is first created. The solid element FEA analysis, which is adopted as the baseline in this study, is subsequently conducted for the stiffness of the frame, Next, beam element FEA analysis is performed for validating the feasibility of the beam element FEA model by comparing the results from the solid and beam element FEA models. It is found that the beam element FEA model can predict the frame stiffness with acceptable accuracy and reduce the computation cost significantly.
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