Abstract
In this paper, the new type lightweight structure by using truss core panel is proposed. By using general dynamic analysis software LS-DYNA and response surface optimization method to determine the optimal structure of proposed lightweight structure, the problem of bending during the crash is solved. And as the result, the optimal truss core lightweight structure is capable of absorbing crash energy more than that of the optimal honeycomb panel structure at the same mass. Furthermore, a theoretical analysis of the optimal truss core type lightweight structure is discussed. As a result, it is shown that lightweight structure by using truss core panel and optimization system for crash energy absorption are useful for lightweight structure design in wide industrial fields.
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