Dynamics & Design Conference
Online ISSN : 2424-2993
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時間平均デジタルホログラフィ干渉法によるCFRTP板の振動モード可視化
松本 大樹太田 佳樹轟 章
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p. 109-

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Resent 3D printer can make a CFRTP (Carbon Fiber Reinforced Thermo Plastics) plate with continuous fiber reinforcement. The 3D printed CFRTP plate has various vibration modes depended on its anisotropy characteristic by carbon fiber direction. This paper deals with visualization of vibration mode and make a FEM model of 3D printed CFRTP plate to calculate the vibration mode. The time averaged digital holographic interferometry can visualize vibration modes of the plate on resonance situation. This method can visualize also high order mode of the plate. The FEM model of the 3D printed CFRTP plate is made used anisotropic elements with orientation angles same with fiber direction. The bended fiber part located at the plate diagonal is modeled 45deg direction elements. This FEM model can indicate almost same vibration mode with experimental results at some modal orders. But the result has indicated different natural frequencies with the experimental results.

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