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亚声速流动条件下3D打印锥形聚乳酸板的气动弹性行为

Aeroelastic Behavior of 3D-Printed Tapered Polylactic Acid Plates Under Subsonic Flow Conditions.

作者信息

Dinulović Mirko, Perić Mato, Stamenković Dragi, Bengin Aleksandar, Adžić Vuk, Trninić Marta

机构信息

Faculty of Mechanical Engineering, University of Belgrade, Kraljice Marije 16, 11000 Belgrade, Serbia.

Department of Mechatronics, University North, Trg dr. Žarka Dolinara 1, 48000 Koprivnica, Croatia.

出版信息

Materials (Basel). 2025 Mar 2;18(5):1127. doi: 10.3390/ma18051127.

DOI:10.3390/ma18051127
PMID:40077352
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC11901434/
Abstract

This research investigates the aeroelastic stability of tapered polylactic acid (PLA) plates produced through fused deposition modeling (FDM) under low-Mach-number airflow conditions. While the static properties of 3D-printed structural components for drones, unmanned aerial vehicles (UAVs), and unmanned aircraft systems (UAS) have been thoroughly explored, their dynamic behavior, especially flutter, has been less studied. This study applies a binary flutter model to thin PLA plates, and the analytically predicted flutter speeds are compared with experimental data from wind-tunnel tests. The strong agreement between theoretical predictions and experimental results confirms the validity of the proposed dynamic aeroelastic analysis approach. This methodology provides valuable insights into designing aerodynamic lifting and stabilizing surfaces for UAS applications.

摘要

本研究调查了通过熔融沉积建模（FDM）制造的锥形聚乳酸（PLA）板在低马赫数气流条件下的气动弹性稳定性。虽然无人机、无人驾驶飞行器（UAV）和无人飞机系统（UAS）的3D打印结构部件的静态特性已得到充分研究，但其动态行为，特别是颤振，研究较少。本研究将二元颤振模型应用于薄PLA板，并将分析预测的颤振速度与风洞试验的实验数据进行比较。理论预测与实验结果之间的高度一致性证实了所提出的动态气动弹性分析方法的有效性。该方法为UAS应用中设计气动升力和稳定面提供了有价值的见解。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dea5/11901434/28dd12d2415c/materials-18-01127-g012.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dea5/11901434/3fc795b0d8cb/materials-18-01127-g007.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dea5/11901434/ccf07e68f455/materials-18-01127-g008.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dea5/11901434/46c0be4750a7/materials-18-01127-g009.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dea5/11901434/9c4fca01d776/materials-18-01127-g010.jpg
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https://cdn.ncbi.nlm.nih.gov/pmc/blobs/dea5/11901434/28dd12d2415c/materials-18-01127-g012.jpg

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