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Finite strip buckling and free vibration analysis of stepped rectangular composite laminated plates
Author(s) -
Dawe D. J.,
Tan Dongyao
Publication year - 1999
Publication title -
international journal for numerical methods in engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.421
H-Index - 168
eISSN - 1097-0207
pISSN - 0029-5981
DOI - 10.1002/(sici)1097-0207(19991120)46:8<1313::aid-nme756>3.0.co;2-k
Subject(s) - finite strip method , buckling , plate theory , structural engineering , vibration , spline (mechanical) , composite number , natural frequency , finite element method , materials science , engineering , composite material , physics , acoustics
A general spline finite strip method is presented which allows the spline knots to be located arbitrarily along the plate strip and also facilitates the use of analytical integration in evaluating strip properties. The development takes place in the contexts of first‐order shear deformation plate theory and of classical plate theory, and encompasses composite laminated material. The prediction of natural frequencies and buckling stresses of stepped rectangular plates is considered using the new approach in which refinement of knot spacings is used local to a step change. The superstrip concept is used as part of an efficient solution procedure. A number of applications demonstrate the validity and practicability of the developed method. Copyright © John Wiley & Sons, Ltd.