期刊
COMPOSITE STRUCTURES
卷 267, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.compstruct.2021.113869
关键词
Critical buckling temperature; Composite sandwich Curved Panels; Free vibration; Thermal buckling
资金
- National Natural Science Foundation of China [52005372]
- Weifang Science and Technology Development Program [2018GX068]
- Facility Horticulture Laboratory of Universities in Shandong Program [2018YY017]
In this article, thermal buckling and free vibration of Composite Sandwich Curved Panels (CSCP) in a thermal environment are analyzed using Hamilton's principle and Navier method. The study examines the influence of structural parameters on Critical Buckling Temperature (CBT) and presents new insights into thermal buckling and free vibration of CSCP.
For this article, the thermal buckling and free vibration of Composite Sandwich Curved Panels (CSCP) in a thermal environment are analyzed. To achieve the purposes, Hamilton's principle is used to deduce the non-linear vibration differential equations of CSCP based on the first-order discrete layer model. In these equations, nonlinear change of lateral and longitudinal displacements are taken into account because of the temperature change. Later, these equations are solved by the Navier method and are authenticated by comparison with finite element simulation results. At last, the influence rules of structural parameters on Critical Buckling Temperature (CBT) of CSCP are studied and exhibited vividly. Meanwhile, some new results about thermal buckling and free vibration of CSCP are presented for the first time.
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