A wave finite element approach for modelling wave transmission through laminated plate junctions

被引：9
|
作者：
Aimakov, Nurkanat [1 ]
Tanner, Gregor [1 ]
Chronopoulos, Dimitrios [2 ,3 ]
机构：
[1] Univ Nottingham, Sch Math Sci, Nottingham NG7 2RD, England
[2] Katholieke Univ Leuven, Dept Mech Engn, B-9000 Leuven, Belgium
[3] Katholieke Univ Leuven, Mechatron Syst Dynam LMSD, B-9000 Leuven, Belgium
来源：
SCIENTIFIC REPORTS | 2022年 / 12卷 / 01期
关键词：
RADIATIVE-TRANSFER EQUATION; BORNE SOUND-TRANSMISSION; COMPOSITE STRUCTURES; 2-DIMENSIONAL STRUCTURES; STRUCTURAL JUNCTIONS; DISPERSION-CURVES; FORCED RESPONSE; PROPAGATION; PREDICTION; PANELS;
D O I：
10.1038/s41598-022-05685-y
中图分类号：
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号：
07 ; 0710 ; 09 ;
摘要：
We present a numerical method for computing reflection and transmission coefficients at joints connecting composite laminated plates. The method is based on modelling joints with finite elements with boundary conditions given by the solutions of the wave finite element method for the plates in the infinite half-spaces connected to the joint. There are no restrictions on the number of plates, inter-plate angles, and material parameters of individual layers forming the composite. An L-shaped laminated plate junction is discussed in more detail. Comparisons of numerically predicted scattering coefficients with semi-analytical solutions for the selected structures are presented. The results obtained are essential for statistical energy analysis and dynamical energy analysis based calculations of the wave energy distribution in full built-up structure.
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页数：15
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