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Through comparing the results by the whole analysis method and substructure method, the rationality and effectiveness of the substructure method are verified.
Multiscale eigenelement method (MEM) proposed by the authors and co-workers is based on the eigenvector expansion method and substructure approach.
First, the basic principles of the whole analysis method and substructure analysis method are introduced briefly, and the problem of selection master degrees of freedom (DOFs) reasonably is discussed.
Finally, to compare the rationality and reliability of the substructure method, a large-scale finite element model of practical soil site with the circular diaphragm wall is established, and its dynamic response is obtained respectively using the whole analysis method and substructure method, in which three selection ways of master DOFs are adapted.
Depending on the modelling method for the soil stratum, all the SSI problems can be classified into two main categories, namely direct method and substructure method (Wolf 1985).
Similar(55)
The interaction between PSMF and the 2dof system is analyzed by the substructure method and contribution of frequency component from different substructures is identified by setting different level of damping for each substructure.
A combination of sub-partition and substructure methods in finite element is developed to simulate the crack propagation in plate and shell structures.
A three-dimensional (3D) numerical model for dynamic response analysis of seismic-induced motions is developed using the modal analysis and substructure methods.
Our method efficiently integrates spatial partitioning and substructure assignments in an easy manner.
The present work is concerned with a dynamic modeling and optimization method to minimize the vibration transmission through the marine propulsion shafting system by the FRF-based substructuring method and the sensitivity analysis.
The internal loss factors of each of the substructures are measured using both a power injection method and a time decay method, with each substructure disassembled from the rest of the bearing.
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