An Efficient Local Artificial Boundary Condition for Infinite Long Finite Element Euler–Bernoulli Beam
Zijun Zheng,
Gang Pang
Abstract:To solve the wave propagation problems of the Euler–Bernoulli beam in an unbounded domain effectively and efficiently, a new local artificial boundary condition technology is proposed. It replaces the residual right-hand side of the truncated discrete equation with an equivalent linear algebraic system. First, the equivalent Schrodinger equation is discussed. Its artificial boundary condition is obtained by first rationalizing the Dirichlet-to-Neumann condition in the frequency domain with a Pade approximation… Show more
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