Journal
ACTA MECHANICA
Volume 233, Issue 6, Pages 2213-2235Publisher
SPRINGER WIEN
DOI: 10.1007/s00707-022-03212-8
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Funding
- [QG.21.25]
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This paper provides an analysis of the critical buckling load and vibration frequencies of a sandwich cylindrical panel with functionally graded face sheets and FG porous core on an elastic foundation, considering both mechanical load and thermal environments. The panel is modeled using the framework of nonlocal strain gradient theory and classical shell theory, and the effects of various parameters such as nonlocal and strain gradient parameters, material and geometrical characteristics, porosity, temperature, and elastic foundation are considered.
The present paper provides an analysis to obtain the critical buckling load and vibration frequencies of the sandwich cylindrical panel with functionally graded (FG) face sheets and FG porous core resting on an elastic foundation, subjected to mechanical load and in thermal environments. The panel is formulated within the framework of the nonlocal strain gradient theory for shell model and classical shell theory. Based on Hamilton's principle and Galerkin's method, the effects of nonlocal and strain gradient parameters, materials and geometrical characteristics, porosity, temperature and elastic foundation on buckling load, fundamental frequencies, and dynamic response of the panel are considered.
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