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- W2349123763 abstract "A combined method based on multi-level substructuring technique and Lanczos algorithm was proposed for solving dynamic characteristics of large-scale and complicate structures.In implementation of the method,a total tridiagonal matrix was given by accumulating the orthogonal coefficients of each substructure,and the eigenvalues corresponding to the whole structure were solved.The method was able to solve eigenvalue and eigenvector problems for super large-scale structures and had good computational efficiency and stability,and less computational cost.Since the contribution of all internal DOF of each substructure to the dynamic characteristics of the whole structure was considered,the accuracy was improved significantly and the same as the result achieved by directly solving the whole structure without condensation process.It was found that the partitioning scheme of substructure does not affect numerical results,and the finite element modeling has great flexibility.The numerical results showed that the solutions obtained by the proposed multi-level substructuring method are effective and valid." @default.
- W2349123763 created "2016-06-24" @default.
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- W2349123763 date "2012-01-01" @default.
- W2349123763 modified "2023-09-23" @default.
- W2349123763 title "Lanczos algorithm based on multi-level dynamic substructures" @default.
- W2349123763 hasPublicationYear "2012" @default.
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