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Finite-Element Model of Modified Eccentric Loader Terminal (MELT)

Improving the performance of guardrail terminals and end treatments in impacts with passenger vehicles has been an active area of research over the past decade. One particular W-beam guardrail terminal that has been the focus of recent full-scale crash testing is the Modified Eccentric Loader Terminal (MELT). The development of a nonlinear, finite-element model of a recent modification of the MELT is being used to learn more about the performance of this type of guardrail terminal. A finite-element model of the MELT was developed using the TrueGrid preprocessor and the LS-DYNA3D finite-element software was used to perform the analysis. Results of the analysis are compared with data from a full-scale crash test involving a small passenger car.