Direct strain measure for large-deformation analyses of beam structures

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3 Citations (Scopus)


A nonlinear kinematics called the direct strain measure is proposed for large deformation and finite rotation analyses of a two-node Timoshenko beam. The kinematics extracts pure elastic deformations without deriving any virtual frame to describe rigid body motion. Internal force and stiffness matrices are derived to constitute a Newton’s method for finding the solution. Computational results show that the present method is valid for Timoshenko beams whose relative angular displacement in an element is less than 0.5 rad.

Original languageEnglish
Pages (from-to)1934-1939
Number of pages6
JournalAIAA journal
Issue number10
Publication statusPublished - 1995 Oct
Externally publishedYes

ASJC Scopus subject areas

  • Aerospace Engineering


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