熔丝加工成型薄板的动力学特性及响应

doi:10.12068/j.issn.1005-3026.2020.05.011

东北大学学报:自然科学版 ›› 2020, Vol. 41 ›› Issue (5): 673-678.DOI: 10.12068/j.issn.1005-3026.2020.05.011

熔丝加工成型薄板的动力学特性及响应

姜世杰，孙明宇，董天阔，陈丕峰

(东北大学机械工程与自动化学院，辽宁沈阳110819)

收稿日期:2019-09-13 修回日期:2019-09-13 出版日期:2020-05-15 发布日期:2020-05-15
通讯作者: 姜世杰
作者简介:姜世杰(1985-)，男，辽宁营口人，东北大学讲师，博士.
基金资助:
国家自然科学基金资助项目(51705068); 中央高校基本科研业务费专项资金资助项目(N180703009，N170302001).

Dynamic Characteristics and Responses of Fused Filament Fabrication Thin Plates

JIANG Shi-jie， SUN Ming-yu， DONG Tian-kuo， CHEN Pi-feng

School of Mechanical Engineering & Automation， Northeastern University， Shenyang 110819， China.

Received:2019-09-13 Revised:2019-09-13 Online:2020-05-15 Published:2020-05-15
Contact: SUN Ming-yu
About author:-
Supported by:
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摘要/Abstract

摘要： 通过熔丝加工成型(fused filament fabrication，FFF)理论与实验相结合，研究了悬臂边界条件下FFF薄板的固有特性和振动响应.首先，针对FFF薄板的分层和正交各向异性等特点，基于正交多项式法对其进行理论建模.然后，通过Ritz法获取FFF薄板的固有特性，再利用频域振动方程解析研究薄板内任意一点的振动响应.最后，以聚乳酸(PLA)FFF薄板为例，实验研究了其固有特性和动态响应，以分析验证理论模型的正确性.结果表明:本文建立的FFF薄板理论模型，能够准确预测出薄板的固有特性和动态响应结果，理论模型可靠.

关键词: 熔丝加工成型, 固有特性, 振动响应, 正交多项式法, 实验研究

Abstract: The inherent characteristics and vibration responses of thin plates by FFF(fused filament fabrication) under cantilever boundary conditions were studied by combining FFF theory with experiments. Firstly， considering the property of lamination and orthogonal anisotropy， the fused filament fabricated thin plate(fused plate) was theoretically modeled based on the orthogonal polynomial method. Then， the dynamic characteristics of the fused plate were worked out by Ritz method， and the vibration response of any point in the fused plate was analyzed by using the frequency domain vibration equation. Finally， Poly lactic acid (PLA) thin plate was studied experimentally to determine its measured dynamic characteristics and vibration responses .It was found through the comparison that the developed theoretical model of the fused plate based on orthogonal polynomial method was capable to give accurate predictions on the dynamic characteristics and vibration response， thus validating the feasibility of the model.

Key words: fused filament fabrication(FFF), inherent characteristics, vibration response, orthogonal polynomial method, experimental study

中图分类号:

TB122

姜世杰，孙明宇，董天阔，陈丕峰. 熔丝加工成型薄板的动力学特性及响应[J]. 东北大学学报:自然科学版, 2020, 41(5): 673-678.

JIANG Shi-jie， SUN Ming-yu， DONG Tian-kuo， CHEN Pi-feng. Dynamic Characteristics and Responses of Fused Filament Fabrication Thin Plates[J]. Journal of Northeastern University Natural Science, 2020, 41(5): 673-678.

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熔丝加工成型薄板的动力学特性及响应

Dynamic Characteristics and Responses of Fused Filament Fabrication Thin Plates

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