复合材料对流体饱和复合材料自由表面瑞利波的影响。

IF 2.6 4区数学 Q2 MATHEMATICAL & COMPUTATIONAL BIOLOGY

Mathematical Modelling of Natural Phenomena Pub Date : 2022-06-10 DOI:10.1051/mmnp/2022025

A. Arora, N. Bala

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引用次数: 0

摘要

本文研究了不同固体对流体饱和复合多孔基质边界上瑞利面波传播相速度和衰减的影响。得到瑞利波传播的长期方程，并对其进行数值求解，得到相速和衰减系数。采用两种不同类型的复合材料进行数值研究，以分析结构中固体的影响。研究表明，复合材料刚度的增加增加了瑞利表面波的相速度。孔隙中流体混合物的密度和体积模量对波的相速也有显著影响。本文还分析了孔隙率对瑞利波相速度和粒子运动的影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The effect of composite material on Rayleigh wave at free surface of composite matrix saturated by fluids.

The present study signifies the effect of distinct solids on the phase speed and attenuation of Rayleigh surface wave propagating on the boundary of composite porous matrix saturated with fluids. Secular equation depicting propagation of Rayleigh wave is obtained and solved numerically for obtaining phase speed and attenuation coefficient. Two different types of composite materials are considered for numerical study to analyze the effect of solids present in the structure. The study depicts that increase in rigidity of the composite increases the phase speed of the Rayleigh surface wave. Significant effect of the density and bulk modulus of fluid mixture present in the pores is also observed on the phase speed of the wave. The effect of porosity on the phase speed of the Rayleigh wave and the particle motion during the propagation of the wave is also analyzed.

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来源期刊

Mathematical Modelling of Natural Phenomena MATHEMATICAL & COMPUTATIONAL BIOLOGY-MATHEMATICS, INTERDISCIPLINARY APPLICATIONS

CiteScore

5.20

自引率

0.00%

发文量

审稿时长

6-12 weeks

期刊介绍： The Mathematical Modelling of Natural Phenomena (MMNP) is an international research journal, which publishes top-level original and review papers, short communications and proceedings on mathematical modelling in biology, medicine, chemistry, physics, and other areas. The scope of the journal is devoted to mathematical modelling with sufficiently advanced model, and the works studying mainly the existence and stability of stationary points of ODE systems are not considered. The scope of the journal also includes applied mathematics and mathematical analysis in the context of its applications to the real world problems. The journal is essentially functioning on the basis of topical issues representing active areas of research. Each topical issue has its own editorial board. The authors are invited to submit papers to the announced issues or to suggest new issues. Journal publishes research articles and reviews within the whole field of mathematical modelling, and it will continue to provide information on the latest trends and developments in this ever-expanding subject.