Axisymmetric Scaled Boundary Finite Element Formulation for Wave Propagation in Unbounded Layered Media

Axisymmetric Scaled Boundary Finite Element Formulation for Wave Propagation in Unbounded Layered Media

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Wave propagation in unbounded layered media with a Cake Server new formulation of Axisymmetric Scaled Boundary Finite Element Method (AXI-SBFEM) is derived.Dividing the general three-dimensional unbounded domain into a number of independent two-dimensional ones, the problem could be solved by a significant reduction in required storage and computational time.The equations of the corresponding Axisymmetric Scaled Boundary Finite Element (AXI-SBFE) are derived in Metal Ornament detail.For an arbitrary excitation frequency, the dynamic stiffness could be solved by a numerical integration method.The dynamic response of layered unbounded media has been verified with the literature.

Numerical examples indicate the applicability and high accuracy of the new method.