Abstract:This works presents free vibration analysis of laminated composite beam problems using Timoshenko beam finite elements formulated in strain gradient notation. The formulation in physically interpretable notation identifies precisely the one parasitic shear term present in the in-plane, two-node, six-degreeof-freedom Timoshenko beam element. The spurious term can be eliminated a-priori of implementation and analysis. An assessment of the deleterious effects of parasitic shear in the computation of natural frequ… Show more
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