Abstract
Substructuring and component mode synthesis (CMS), is a very popular method of model reduction for large structural dynamics problems. Starting from the pioneering works on this technique in the early 1960s, many researchers have studied and used this technique in a variety of applications. Besides model reduction, CMS offers several other crucial advantages. The present work aims to provide a review of the available literature on this important technique.
Highlights
Finite element models of typical modem structures can involve a very large number of degrees of freedom (DOF) and this implies considerable computational effort
Applications of the technique to real life problems are presented. Certain aspects such as computational strategies for component mode synthesis (CMS) on high performance computers and sensitivity analysis in conjunction with CMS are not discussed because they are beyond the scope of the present work
For structural systems that have a large number of DOF or have components designed by separate groups of organizations, the method of component mode synthesis has proven to be an accurate, efficient, and economical method of analysis
Summary
Finite element models of typical modem structures can involve a very large number of degrees of freedom (DOF) and this implies considerable computational effort. Substructuring and component mode synthesis (CMS) techniques involve partitioning of the entire structure into several substructures or components. Noor (1994) discussed reduction methods in general wherein the main objective was posed as reducing a given problem in a large number of unknowns into a much smaller problem. This mayor may not involve substructuring and CMS. Applications of the technique to real life problems are presented Certain aspects such as computational strategies for CMS on high performance computers and sensitivity analysis in conjunction with CMS are not discussed because they are beyond the scope of the present work
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