Journal
ADVANCED COMPOSITE MATERIALS
Volume 28, Issue 3, Pages 271-285Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09243046.2018.1510589
Keywords
low-velocity impact; modeling approach; LS-DYNA; impact damage; solid and shell model
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Funding
- National Research Foundation of Korea (NRF) - Korea government (MSIT) [2018R1A2A1A05019453]
- National Research Foundation of Korea (NRF) - Korean Government (Ministry of Science and ICT) [2017R1A5A1014883]
- National Research Foundation of Korea [2018R1A2A1A05019453] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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The low-velocity impact responses of cross-ply CFRP composite plates are investigated experimentally and are simulated using the finite element code LS-DYNA. An experimental test was initially performed and two different modeling approaches were then employed to model the composite plates. In the first numerical modeling approach, solid elements are utilized for the composite layers, whereas in the second, shell elements are used. The numerical model using the shell elements shows a good correlation with the experimental results, while the impact damage in the form of delamination is predicted more precisely using solid elements.
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