4.5 Article

Stacking sequence optimization of composite tubes submitted to crushing using the discrete ply model (DPM)

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TAYLOR & FRANCIS INC
DOI: 10.1080/15376494.2022.2123579

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Discrete ply model; crushing; specific energy absorption; finite element model

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This study investigates the applicability of Discrete Ply Modeling (DPM) to crushing of composite tubes and analyzes the effect of stacking sequence and trigger geometry on Specific Energy Absorption (SEA). The best performing stacking sequence was found to be 90/0 (2)/90/0 (3)/90/0/90 in terms of SEA value.
The purpose of this study is to study the applicability of Discrete Ply Modeling (DPM) to crushing of composite tubes and to study the effect of stacking sequence and trigger geometry on the Specific Energy Absorption (SEA). The model was first validated with experimental results after which various stacking sequences were simulated to optimize it with an aim to increase the SEA. The stacking sequence [90/0(2)/90/0(3)/90/0/90] performed the best in terms of SEA value. As a result, the confidence of the DPM has been proven for some draping sequences but seems to be less confident to simulate the trigger effect.

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