Abstract
The elastodynamic problems of piezoelectric hollow cylinders and spheres under radial deformation can be transformed into a second kind Volterra integral equation about a function with respect to time, which greatly simplifies the solving procedure for such elastodynamic problems. Meanwhile, it becomes very important to find a way to solve the second kind Volterra integral equation effectively and quickly. By using an interpolation function to approximate the unknown function, two new recursive formulae were derived, based on which numerical solution can be obtained step by step. The present method can provide accurate numerical results efficiently. It is also very stable for long time calculating.
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Contributed by DING Hao-jiang
Foundation item: the National Natural Science Foundation of China (10172075)
Biography: DING Hao-jiang (1934 ∼), Professor (Tel: +86-0571-7993057; Fax: +86-0571-87952165; E-mail: hjding@mail.hz.zj.cn)
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Hao-jiang, D., Hui-ming, W. & Wei-qiu, C. New numerical method for volterra integral equation of the second kind in piezoelastic dynamic problems. Appl Math Mech 25, 16–23 (2004). https://doi.org/10.1007/BF02437290
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DOI: https://doi.org/10.1007/BF02437290