Elastic Wave Propagation in Block Medium under Impulse Loading
作者： N. I. Aleksandrova
DOI: 10.1023/B:JOMI.0000036223.58270.42
关键词: Physics 、 Wave propagation 、 Elastic wave propagation 、 Rod 、 Acoustics 、 Mechanics 、 Mechanical wave 、 Longitudinal wave 、 Excitation 、 Impulse (physics)
摘要: The waveguide properties of a block medium are studied by an example discrete-periodical system spring-connected rods. As particular case, chain masses is considered. It shown that in the rod system, impulse loading excites two groups nonstationary waves. velocities their propagation determined. asymptotic representation obtained for low-frequency wave at great period time since process onset. analytical estimations excitation spectrum derived.
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