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https://hdl.handle.net/2440/139427
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Type: | Journal article |
Title: | Dynamic response of delaminated composite and sandwich beams using an efficient sub-lamented based higher order laminate model |
Author: | Feng, Y. Sheikh, A.H. Ng, C.-T. Smith, S.T. |
Citation: | Mechanics of Structures and Machines, 2023; 1-27 |
Publisher: | Taylor & Francis |
Issue Date: | 2023 |
ISSN: | 1539-7734 1539-7742 |
Statement of Responsibility: | Yuan Feng, Abdul Hamid Sheikh, Ching-Tai Ng and Scott T. Smith |
Abstract: | A higher order model having sub-laminate capabilities for dynamic analysis of intact or delaminated composite and sandwich beams are presented. Each sub-laminate considered cubic and quadratic through-thickness variations for axial and transverse displacements respectively. The presence of displacement fields at the external surfaces of the sub-laminates helps to conveniently stack multiple sub-laminates by no additional treatments. The model has the flexibility in choosing the number of sub-laminates that provides the flexibility of controlling accuracy and computational efficiency. Central to the model is the development of a C0 continuous displacement based beam element. A thorough validated of the model is conducted using a wide range of problems having different structural configurations and dynamic loading. The model is then employed to investigate the behavior of new sandwich beam problems with multiple de-laminations under dynamic loads to study the influence of different delamination configurations. New results generated during this process can serve as benchmark data for future research. |
Keywords: | Higher-order beam model; sub-lamination; dynamic analysis; composite and sandwich beams; delamination |
Description: | Published online: 22 Aug 2023. OnlinePubl |
Rights: | © 2023 Informa UK Limited |
DOI: | 10.1080/15397734.2023.2248500 |
Grant ID: | http://purl.org/au-research/grants/arc/DP220103665 |
Published version: | http://dx.doi.org/10.1080/15397734.2023.2248500 |
Appears in Collections: | Civil and Environmental Engineering publications |
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