Research Article
Feb 1978
Thermal Stress Analysis of Double-Layered Grids
Publication: Journal of the Structural Division
Volume 104, Issue 2
Abstract
A simple, rational approach is presented for developing thermoelastic continuum plate models for large repetitive double-layered grids subjected to arbitrary temperature distribution. The continuum plate models are characterized by their thermoelastic strain energy from which the equations of motion and constitutive relations can be derived. The procedure for developing the expression for the thermoelastic strain energy of the continuum involves introducing basic assumptions regarding the variation of the temperature and displacement components in the thickness direction, and obtaining effective thermoelastic coefficients of the continuum in terms of the material properties and geometry of the original lattice structure. The high accuracy of the continuum plate models developed is demonstrated by means of a numerical example of a square inclined double-layered grid.
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Published In
Journal of the Structural Division
Volume 104 • Issue 2 • February 1978
Pages: 251 - 262
Copyright
© 1978 American Society of Civil Engineers.
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Published in print: Feb 1978
Published online: Feb 1, 2021
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Ahmed K. Noor, M.ASCE
Prof. of Engrg. and Applied Sci., George Washington Univ. Center for NASA Langley Research Center, Hampton, Va.
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Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.
Terms of Use: ASCE Library Cards are for individual, personal use only. Reselling, republishing, or forwarding the materials to libraries or reading rooms is prohibited.