System identification of excited beam immersed in granular materials: A multifrequency data-based method in a variational framework
| Autor: | Dong, Jinlu, Niu, Zhenhua, Li, Jian, Hong, Guangyang, Pan, Jingwu, Li, Hang |
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| Zdroj: | In Engineering Structures 15 October 2023 293 |
| Databáze: | ScienceDirect |
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