The influence of the configuration of the fiber-metal laminates on the dispersion relations of the elastic wave modes

Q4 Engineering
M. Barski, A. Muc, A. Stawiarski
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引用次数: 1

Abstract

The current work is devoted to the determination of dispersion curves for elastic wave modes. The studied elastic waves propagate across metal-fiber hybrid composites. In order to solve the problem, special software has been developed with the use of C++. This software works with the MS Windows operating system and the proposed solution is based on the multi-threading mechanism. It makes possible to significantly speed up the calculations. The relatively new approach is used namely the stiffness matrix method. At the very beginning, the dispersion curves are determined for the traditional composite materials of cross-ply configuration, for which the layers are made of glass fiber/epoxy resin and carbon fiber/epoxy resin. The impact of the total number of layers on the dispersion curves is investigated. Next, the influence of the thickness of the layers, which are made of aluminum alloy, on the dispersion characteristic is studied. In the second case, it is assumed that the total thickness of the composite material wall for all cases is identical.
金属纤维层合板的结构对弹性波模色散关系的影响
目前的工作致力于弹性波模色散曲线的确定。研究了弹性波在金属纤维混杂复合材料中的传播。为了解决这一问题,利用c++语言开发了专门的软件。该软件适用于微软Windows操作系统,所提出的解决方案基于多线程机制。这使得大大加快计算速度成为可能。采用了相对较新的方法,即刚度矩阵法。首先确定了传统的交叉层复合材料的色散曲线,其层由玻璃纤维/环氧树脂和碳纤维/环氧树脂组成。研究了层数对色散曲线的影响。其次,研究了铝合金层厚度对色散特性的影响。在第二种情况下,假定所有情况下复合材料壁的总厚度相同。
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来源期刊
Vibrations in Physical Systems
Vibrations in Physical Systems Engineering-Mechanics of Materials
CiteScore
0.70
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0.00%
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