Finite Element Simulation and Validation of Fully Suspended Heavy Duty Commercial Vehicle (HCV) as per AIS029 Pendulum Impact Test

Sumit Sharma; Sandeep Sharma; Sanjay Tiwari; Umashanker Gupta

doi:10.4271/2015-01-2873

The safety of the heavy duty commercial vehicle (HCV) occupants in an accident is an imperative task and should be considered during the design and development of cabins. The sufficient cabin survival space must be remained after the accident. The main aim of this study is to develop a Finite Element (FE) model of HCV cabin and validate to the test as per AIS029. The present study also includes the assessment of the energy absorption capabilities of the HCV cab during the pendulum impact test.

Initially a detailed 3D FE model of a fully suspended HCV cabin was developed and then pendulum impact test simulation was carried out using LS-Dyna explicit solver. Simulation results were compared with the test results and were found in a great agreement in terms of survival space and overall deformation behavior. The load transfer path was described at the time of pendulum impact. The largest amount of impact energy was absorbed by the frontal region of the cabin. Sufficient survival space was maintained in the FE model as well as in the test after the impact.

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Finite Element Simulation and Validation of Fully Suspended Heavy Duty Commercial Vehicle (HCV) as per AIS029 Pendulum Impact Test 2015-01-2873

SAE MOBILUS