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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).