Browse Publications Technical Papers 2001-01-1401
2001-04-30

An Assessment of a FEA NVH CAE Body Model for Design Capability 2001-01-1401

Finite Element Analysis (FEA) models are routinely being adopted as a means of up-front design for automotive body structure design. FEA models play two important functions: first as a means of assessing design versus an absolute target; secondly they are used to assess the performance of design alternatives required to meet targets. Means of assessing model capability versus task is required to feed appropriate information into the design process. Being able to document model capability improves the credibility of the FEA model information.
A prior paper addressed assessing the absolute performance of model technology using a metric based on a statistical hypotheses test that determines membership in a reference set. This paper extends the use of quality technology to determining the capability of the FEA model to span the design space using Designed Experiments. The advantage of a design of experiments (DOE) structure is that both the design effects and the statistical significance of the design effects are uncovered.

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