![Sample our Engineering & Technology journals, sign in here to start your access, latest two full volumes FREE to you for 14 days]({"type":"image" , "src" : "/sda/5933/TOC-Subject-Sample-2021-Engineering-Tech.jpg"})
Abstract
The present study is concerned with the buckling, vibration and sound transmission characteristics of the simply supported sandwich plate with trapezoidal corrugated core in thermal environment based on the hyperbolic tangent parabola shear deformation theory (HTPSDT). The displacement field of the present theory is chosen based on nonlinear variations in the in-plane displacements through the thickness of the plate. The theoretical models of the buckling, vibration and sound transmission loss of the sandwich plate are derived from Hamilton’s principle and acoustic theory. Numerical results for the natural frequencies and sound transmission loss of the trapezoidal corrugated sandwich plate under different temperature variations are presented. The accuracy of the present theory is verified by comparing the obtained results with solutions available in the literature and the FEM results. Furthermore, parametric studies are taken up to investigate the influences of material types, core thickness, width-length ratio of the plate on the critical buckling temperature, fundamental frequency and sound transmission loss of the trapezoidal corrugated sandwich plate.
Acknowledgment
The authors gratefully acknowledge the financial support from the National Natural Science Foundation of China (Grant No. 11732005, 11872127), Beijing Natural Science Foundation-Haidian original innovation joint fund project (No. 19L2018), and the China Scholarship Council (CSC, No. 201908110115) to support Feng-Lian Li as a visiting scholar at the Chair of Structural Mechanics, University of Siegen, Germany.
Disclosure statement
The authors declare that they have no competing interests and do not have any conflict of interests regarding the publication of this manuscript.