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Original Articles

Vibration energy transfer in variable stiffness laminated composite panel with a cutout

ORCID Icon, ORCID Icon, & ORCID Icon
Pages 230-245 | Received 21 Apr 2023, Accepted 17 Jul 2023, Published online: 16 Aug 2023
 

Abstract

This study investigates the vibration power flow transmission behavior of laminated composite plates with a cutout and a variable angle tow (VAT) design. The steady-state response of the harmonically excited plate is determined. The power flow density vectors (PLDV) are used to show the vibration transmission paths. The effects of the VAT design parameters on the dominant power flow paths within the plate are explored. It shows that the forced vibration responses and vibration energy transfer within the structure can be tailored with fiber layer scheme. The findings benefit enhanced vibration suppression of composite plates with a cutout.

Additional information

Funding

This work is supported by the Zhejiang Provincial Natural Science Foundation of China under Grant [numbers LY22A020006, LD22E050011 and LQ23A020003], by the National Natural Science Foundation of China under Grant [number 12172185], by the Ningbo Municipal Natural Science Foundation under grant [number 2022J174], by the Hubei- CAS Science and Technology Cooperation Program [number 42000021817T30000005], and by the Ningbo Key R & D Program under Grant [number 2023Z086].

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