Transportation system impact limiter design using rigid polyurethane foam

Technical Report · Sat Jun 01 00:00:00 EDT 1985

DOI:https://doi.org/10.2172/5650032· OSTI ID:5650032

Wellman, G W

Techniques used to apply the finite element method to the analysis of rigid polyurethane foam that is confined by a thin, ductile metallic skin were investigated. The initial investigation covered the analysis of a simple geometry and loading condition of constrained and unconstrained foam using the constitutive relationships implied in the ''Elastic-Plastic'' and ''Crushable Foam'' material models in HONDO II and DYNA2D/3D. The final investigation consisted of the analysis of a series of tests of scale model impact limiters and comparison of the experimental and analytical results. 4 refs., 26 figs., 2 tabs.

• Research Organization: Sandia National Labs., Albuquerque, NM (USA)
• DOE Contract Number: AC04-76DP00789
• OSTI ID: 5650032
• Report Number(s): SAND-84-2271; TTC-0532; ON: DE85015088
• Country of Publication: United States
• Language: English

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