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Thermal buckling analysis of isotropic and composite plates with a hole

Journal Article · · Journal of Thermal Stresses
;  [1]
  1. National Taiwan Univ., Taipei (China)

Thermal buckling of both circular isotropic plates and square antisymmetric angle-ply laminates with a hole in the middle, and subject to a uniform temperature rise is analyzed by either closed-form solution for the former or finite-element method for the latter. Thin-plate theory is used to analyze the isotropic plates. However, a high-order displacement theory including high-order terms along the transverse direction taking into account transverse normal strain is used in the case of laminates. Results for the isotropic plates indicate that, in contrast to the reduction in mechanical buckling loads due to the hole, the thermal buckling temperature actually rises as the size of the hole increases, which indicates that the effect on stress reduction exceeds that on stiffness decrease. Results are more complicated for laminated plates, due to anisotropy. 14 refs.

OSTI ID:
6490555
Journal Information:
Journal of Thermal Stresses, Journal Name: Journal of Thermal Stresses Vol. 13:3; ISSN 0149-5739; ISSN JTSTD
Publisher:
Taylor & Francis
Country of Publication:
United States
Language:
English

References (6)

Thermal Buckling of Thick Antisymmetric Angle-Ply Laminates journal January 1987
Thermal buckling of orthotropic cylindrical shells journal January 1973
Thermal Buckling of Orthotropic Cylindrical Shells journal March 1975
Thermal Buckling Analysis of Composite Laminated Plates by the Finite-Element Method journal January 1989
A Simple Higher-Order Theory for Laminated Composite Plates journal December 1984
A High-Order Theory of Plate Deformation—Part 2: Laminated Plates journal December 1977

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