Title: Characterization of a Parallel Interfield Procedure for Pseudo-Dynamic Testing with Heterogeneous Substructuring
Citation: Proceedings of the 1st ECCOMAS Thematic Conference on Computational Methods in Structural Dynamics and Earthquake Engineering (COMPDYN 2007) p. 1-12
Publisher: Institute of Structural Analysis and Seismic Research
Publication Year: 2007
JRC N°: JRC36723
Type: Articles in periodicals and books
Abstract: This paper presents the convergence analysis of a novel parallel interfield procedure for continuous pseudo-dynamic testing with heterogeneous substructuring. The partitioned method is an extension of a method originally proposed by Gavouil and Combescure which utilizes a domain decomposition enforcing the continuity of the velocity at interfaces. In particular the new method is a parallel interfield procedure instead of a staggered one. The merits of the new method which can couple arbitrary Newmark schemes with diferent time steps in different subdomains and advance all the substructure states sinzultaneously, are analysed in terms of accuracy, stability and error propagation. All theoretical results are derived for single- and two-degrees-of-freedom systems as a multi-degree-of-freedom system is too difficult to analyze mathematically.
JRC Directorate:Space, Security and Migration

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