Demonstrates a method that reduces model complexity in assembly structures, suggesting potential efficiency improvements.
A preliminary study is conducted to reduce the number of degrees of freedom in a high-dimensional model (HDM) of an assembly structure. Certain components of the assembly structure are modeled using a Galerkin projection reduced-order model (ROM), while the remaining components are modeled as an HDM. The ROMs and HDM are combined using a domain decomposition technique, where a ROM is treated as a subdomain and the HDM is decomposed into a number of subdomains. A ROM for a structure with Dirichlet boundary conditions as parameters is constructed and used in the combined ROM and HDM model.
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Saito et al. (2025) studied this question.
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