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| Summary of Modal Superposition Method Based Correction Methods for Vibration Response |
| Received:November 22, 2018 Revised:February 25, 2019 |
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| DOI：10.7643/ issn.1672-9242.2019.02.019 |
| KeyWord:modal superposition method mode-acceleration method correction method massively parallel processing |
| Author | Institution |
| YU Chen-yang |
Institute of systems engineering, CAEP, Mianyang , China |
| FAN Xuan-hua |
Institute of systems engineering, CAEP, Mianyang , China |
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| Abstract: |
| The modal superposition method is affected by modal selection and truncation, which leads to low precision in dynamic calculation, especially for high frequency response. In response to this shortcoming of the mode superposition method, this paper summarized the research status and development trend of multiple correction methods based on the modal superposition, analyzed the advantages and disadvantages of each correction method, and discussed the possibility of adding these correction methods to massively parallel processing. Research shows that the modal acceleration method is a correction method that is easy to be implemented at present, and is most easily to be implemented in massively parallel processing and practical engineering applications. |
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