Low frequency vibroacoustic investigation of wooden T-junctions

Negreira J.; Sjostrom A.; Bard D.

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Low frequency vibroacoustic investigation of wooden T-junctions

机译：木质T型接头的低频振动声学研究

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In this paper, an experimental investigation on the influence of glue on the low frequency vibroacoustic performance (up to 200 Hz) of wooden T-junctions is presented along with a discussion of modelling issues related to the junctions. The mock-ups studied represent cut-outs of full size timber floor assemblies typically used in Sweden. Their dynamic performance was first studied experimentally by means of modal analysis. Moreover, finite element (FE) simulations of the T-junctions were carried out to establish reliable prediction tools, using the measurement data as calibration input. Modelling issues were addressed to investigate the influence of different features that must be taken into account when simulating the connections as part of larger structures. Guidelines for modelling these type of connections, when developing low frequency FE predictive tools, are presented here. (C) 2015 Elsevier Ltd. All rights reserved.

机译：在本文中，对胶水对木质T型接头的低频振动声学性能（高达200 Hz）的影响进行了实验研究，并讨论了与接头有关的建模问题。所研究的模型代表了通常在瑞典使用的全尺寸木地板组件的切口。首先通过模态分析对它们的动态性能进行了实验研究。此外，使用测量数据作为校准输入，对T型接头进行了有限元（FE）仿真，以建立可靠的预测工具。解决了建模问题，以调查将大型结构的一部分模拟为连接时必须考虑的不同功能的影响。在开发低频有限元预测工具时，此处介绍了为这些类型的连接建模的指南。（C）2015 Elsevier Ltd.保留所有权利。

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来源
《Applied Acoustics》 |2016年第4期|1-12|共12页
作者
Negreira J.; Sjostrom A.; Bard D.;
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作者单位

Lund Univ, Dept Construct Sci, Div Engn Acoust, POB 118, SE-22100 Lund, Sweden;

Lund Univ, Dept Construct Sci, Div Engn Acoust, POB 118, SE-22100 Lund, Sweden;

Lund Univ, Dept Construct Sci, Div Engn Acoust, POB 118, SE-22100 Lund, Sweden;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类
关键词
Finite element method; T-junctions; Prediction tools; Low frequency vibration; Wooden structures; Measurements;

机译：有限元法;T型节点;预测工具;低频振动;木结构;测量;

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Low frequency vibroacoustic investigation of wooden T-junctions

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