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论文类型：期刊论文

发表时间：2022-06-29

发表刊物：计算力学学报

所属单位：运载工程与力学学部

卷号：28

期号：4

页面范围：493-498

ISSN号：1007-4708

摘要：In this paper,a fast precise integration method (FPIM)for computing the
   dynamic responses of large-scale structural systems has been proposed.By
   using the sparse property of system matrix and especially the physical
   nature of the system,the special structure of matrix exponential was
   given,then a fast algorithm for computing matrix exponential and the
   dynamic responses of large-scale structural systems was proposed.The
   numerical examples illustrate that the proposed method is fast and
   accurate.

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