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Effect of delamination on the natural frequency of fiber metal laminate under various conditions | ||
| Mechanics of Advanced Composite Structures | ||
| مقالات آماده انتشار، پذیرفته شده، انتشار آنلاین از تاریخ 06 اسفند 1404 اصل مقاله (935.83 K) | ||
| نوع مقاله: Research Article | ||
| شناسه دیجیتال (DOI): 10.22075/macs.2026.38282.1887 | ||
| نویسندگان | ||
| NIKHIL P RAUT* 1؛ Vivek V Kulkarni2؛ S L Gombi2؛ M M Mirza3 | ||
| 1Shivaji University | ||
| 2KLs Gogte Institute of Technology, Belagavi, Karnataka, India | ||
| 3KSE Rajarambapu Institute of Technology, Rajaramnagar, Maharashtra, India. | ||
| تاریخ دریافت: 19 تیر 1404، تاریخ بازنگری: 03 آذر 1404، تاریخ پذیرش: 06 اسفند 1404 | ||
| چکیده | ||
| Multi-layered composite materials with improved capabilities are fiber metal laminates (FMLs). Damage to the composites, such as delamination, decreases their stiffness and modifies the dynamic behaviour of the structures. Vibration analysis can be a good way to forecast delamination since the loss of stiffness affects the natural frequencies, mode shapes, and other structure features. In this research, vibrational analysis of aluminum and mild steel-based carbon fiber metal laminates are considered with delamination. A total of 36 fiber metal laminate specimens of 3/2 configuration with various delamination area and situated at various interface were considered for vibrational analysis, which was carried out experimentally and by FEA software. The analysis is done on healthy and delaminated specimens under clamped-free, clamped-clamped condition. The results demonstrate that the proposed method indicates that delamination reduces the natural frequency of the FML. The decrease in natural frequency can be used for damage detection which will act as base for an inverse problem. | ||
| کلیدواژهها | ||
| Delamination؛ Natural Frequency؛ fiber metal laminate؛ vibrational analysis؛ experimental modal analysis | ||
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