INFLUENCE OF RAPIDLY TIME-VARYING BOUNDARY CONDITIONS ON THE CONTROL OF TWO-DIMENSIONAL ELASTIC PULSES IN LAMINATES

被引：0

作者：

Berezovski, Arkadi ^{[1
]}

Berezovski, Mihhail ^{[2
]}

机构：

[1] Tallinn Univ Technol, Sch Sci, Dept Cybernet, Tallinn, Estonia

[2] Embry Riddle Aeronaut Univ, Dept Math, Daytona Beach, FL USA

来源：

MATHEMATICS AND MECHANICS OF COMPLEX SYSTEMS | 2023年 / 11卷 / 03期

关键词：

elastic wave propagation; finite volume method; bimaterial composites; time-varying boundary conditions; WAVE-PROPAGATION;

D O I：

10.2140/memocs.2023.11.335

中图分类号：

O3 [力学];

学科分类号：

08 ; 0801 ;

摘要：

We investigate the ability of rapidly changing lateral boundary conditions to change the rate of dispersion and attenuation of an elastic pulse without changing the composite's material parameters. It is easier to tune wave propagation in composites by using time-varying boundary conditions rather than changing the material properties of solid materials. Numerical simulations of the pulse propagation in two-dimensional inhomogeneous elastic laminate demonstrate that observed stress distribution patterns differ significantly from those for time-independent boundary conditions.

引用

页码：335 / 348

页数：16

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