Crush modelling

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G - Physics

06

F

G06F 17/50 (2006.01) G06F 19/00 (2006.01)

Patent

CA 2572704

A method of determining the impact resistance of a structure including a crushable material comprises the steps of determining for one or more layers of a finite element of said material during an impact whether said element or layer thereof is to be treated as failing by crushing. If the element or layer is determined to fail by crushing, a load-bearing portion of the structure is defined and the load-bearing portion is treated for the purpose of subsequent calculations as exhibiting an ongoing resistance.

Procédé de détermination de la résistance au choc d'une structure comportant une matière pouvant être emboutie consistant à déterminer pour une ou plusieurs couches d'un élément fini de cette matière pendant un choc si l'élément ou sa couche doit être considéré(e) comme inapte à l'emboutissage. Si l'élément ou la couche est considéré(e) inapte à l'emboutissage, une partie porteuse de charge de la structure est définie et cette partie est considérée, aux fins de calculs ultérieurs, comme faisant preuve d'une résistance continue.

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