Abstract
This paper presents an application of B-spline wavelet on interval (BSWI) finite element for one-dimension elastic wave propagation problems. Using central difference method in time domain, numerical results involving wave propagations in rod and beam are obtained and compared with results calculated by classical finite element method. Numerical examples are used to validate the accuracy and efficiency of BSWI element. Based on the Castigliano theorem, the cracked rod and cracked beam BSWI element are constructed in this paper. Then the wave propagation in cracked one-dimension structures is simulated.
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