A numerical method for static or dynamic stiffness matrix of non-uniform members resting on variable elastic foundations

Z. Canan Girgin*, Konuralp Girgin

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7 Atıf (Scopus)

Özet

This paper presents a generalized numerical method which is based on the well-known Mohr method. Static or dynamic stiffness matrices, as well as nodal load vectors for the static case, of non-uniform members are derived for several effects. The method focuses on the effects of resting on variable one- or two-parameter elastic foundations or supported by no foundation; a variable iterative algorithm is developed for computer application of the method. The algorithm enables the non-uniform member to be regarded as a sub-structure. This provides an important advantage to encompass all the variable effects in the stiffness matrix of this sub-structure. Stability and free-vibration analyses of the sub-structure can also be carried out through this method. Parametric and numerical examples are given to verify the accuracy and efficiency of the submitted method.

Orijinal dilİngilizce
Sayfa (başlangıç-bitiş)1373-1384
Sayfa sayısı12
DergiEngineering Structures
Hacim27
Basın numarası9
DOI'lar
Yayın durumuYayınlandı - Ağu 2005

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