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Mechanics of Advanced Materials and Structures Volume 26, 2019 - Issue 16
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Original Articles

Extended Layerwise/Solid-Element method of composite sandwich plates with damage

X. LuCollege of Aeronautical Engineering, Civil Aviation University of China, Tianjin, ChinaView further author information
,
J. Y. YangCollege of Aeronautical Engineering, Civil Aviation University of China, Tianjin, ChinaView further author information
,
D. XuCollege of Aeronautical Engineering, Civil Aviation University of China, Tianjin, ChinaView further author information
,
Y. G. WuCollege of Aeronautical Engineering, Civil Aviation University of China, Tianjin, ChinaView further author information
&
D. H. LiCollege of Aeronautical Engineering, Civil Aviation University of China, Tianjin, ChinaCorrespondence[email protected]
View further author information
Pages 1376-1389 | Received 17 Oct 2017, Accepted 17 Nov 2017, Published online: 14 Mar 2018
 
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ABSTRACT

The truss and honeycomb sandwich plates with transverse crack and delamination in the facesheets are studied, and an Extended Layerwise/Solid-Element (XLW/SE) method is developed. The governing equations of laminated composite facesheets and cores (truss or honeycomb) are established based on the Extended Layerwise Method (XLWM) and 3D solid elements, respectively. The XLW/SE method can obtain the local stress and displacement fields accurately, considering complicated cores without any assumptions. In the numerical examples, the results obtained by the proposed method are compared with those obtained by the 3D elasticity models, and the good agreements are achieved.

Additional information

Funding

Supported by the Natural Science Foundations of China (11502286), Natural Science Foundations of Tianjin (17JCQNJC02600) and Fundamental Research Funds for the Central Universities (3122017021, 3122017034).

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