Abstract
This paper analyses the dispersive properties of finite element solution by using semi-discretizations of Timoshenko's flexural wave equation, as well as spurious reflections for a non-uniform mesh, for which spurious wave reflections will appear at interfaces of elements with different lengths, although no real reflections should occur. Classic two-node cubic elements with no shear-locking effect and consistent mass matrix are taken into account. The Newmark average acceleration step-by-step integration method is used for solution.
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