A mathematical model for crash simulation of aircraft structures--built up from beams, stringers, and skin panels--is being developed in the form of a finite element, large displacement elastic-plastic computer code called DYCAST. As a preliminary exercise, the code was applied to simulate a low-speed forward impact of a skin-covered framework carrying large concentrations of nonstructural mass at its rear. This paper describes the main features of the code and the results of the simple preliminary simulation.
Crash Simulation of Skin-Frame Structures using a Finite Element Code
Sae Technical Papers
National Business Aircraft Meeting and Engineering Display ; 1977
1977-02-01
Conference paper
English
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