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    Eigenvalue Analysis of Thin Plate with Complicated Shapes By a Novel Infinite Element Method

    Deshin Liu1, Yuwei Chen1,*

    CMES-Computer Modeling in Engineering & Sciences, Vol.120, No.2, pp. 273-292, 2019, DOI:10.32604/cmes.2019.06364

    Abstract A novel infinite element method (IEM) is presented for solving plate vibration problems in this paper. In the proposed IEM, the substructure domain is partitioned into multiple layers of geometrically similar finite elements which use only the data of the boundary nodes. A convergence criterion based on the trace of the mass matrix is used to determine the number of layers in the IE model partitioning process. Furthermore, in implementing the Craig-Bampton (CB) reduction method, the inversion of the global stiffness matrix is calculated using only the stiffness matrix of the first element layer. The… More >

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