Browse Publications Technical Papers 2005-01-1221
2005-04-11

Automating Instrument Panel Head Impact Simulation 2005-01-1221

Occupant head impact simulations on automotive instrument panels (IP) are routinely performed as part of an integrated design process during the course of IP development. Based on the requirements (F/CMVSS, ECE), head impact zones on the IP are first established, which are then used to determine the various “hit” locations to be tested/analyzed. Once critical impact locations are identified, CAE simulations performed which is a repetitive process that involves computing impact angles, positioning the rigid head form with an assigned initial velocity and defining suitable contacts within the finite element model. A commercially available CAE process automation tool was used to automate these steps and generate a head impact simulation model. Once the input model is checked for errors by the automated process, it can be submitted to a solver without any user intervention for analysis and report generation. Apart from saving time and increasing productivity, this approach also ensures standardization in performing head impact CAE analyses on IPs. This paper describes this process automation and results from a case study.

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