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Using singular value decomposition of component eigenmodes for interface reduction
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DOI：10.1016/j.jsv.2017.05.029.png)
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Abstract
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The aim of this paper is to describe the development of a reduced order model for modal analysis in a design context. The design process of most industrial systems is based on the re-utilization of certain components. Here, we propose a reduction method involving component eigenmodes to recover the modal behaviour of an assembled structure. The contribution of this work is that it uses component eigenmodes to build an interface reduction basis. Lastly, the reduction methodology proposed is compared to the Craig and Bampton method by applying it to two case studies of which one is an industrial model of an open rotor blade. (C) 2017 Published by Elsevier Ltd.
Keywords:
Modal analysis
Free component eigenmodes
Interface reduction
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