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Erschienen in:
2023 | OriginalPaper | Buchkapitel
14. System Equivalent Model Mixing (SEMM): A Modal Domain Formulation
verfasst von : Miha Pogačar, Domen Ocepek, Gregor Čepon, Miha Boltežar
Erschienen in: Dynamic Substructures, Volume 4
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Abstract
A substructuring-based method System Equivalent Model Mixing (SEMM) has recently been introduced as a novel expansion method. Originally it was implemented in the frequency domain and has been proven to have a great potential. The objective of this paper is to introduce M-SEMM, the modal domain formulation of system equivalent model mixing. Its basic formulation is presented, considering either physical or modal constraints between substructures. When modal constraints are applied, the derivation reveals that the resulting M-SEMM formulation is equivalent to System Equivalent Reduction/Expansion Process (SEREP), one of the most established reduction/expansion methods in the modal domain. Further, when considering physical constraints, the resulting formulation can be seen as a potentially useful novel modal expansion method.