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Propagation of Elastic Waves in Dynamically Self-Similar Structures (Dynamic Fractals)
Acoustical Physics ( IF 0.9 ) Pub Date : 2020-05-19 , DOI: 10.1134/s1063771020020013 L. Ya. Banakh
中文翻译:
动态自相似结构(动态分形)中弹性波的传播
更新日期:2020-05-19
Acoustical Physics ( IF 0.9 ) Pub Date : 2020-05-19 , DOI: 10.1134/s1063771020020013 L. Ya. Banakh
Abstract
The concept of a dynamically self-similar structure (dynamic fractal) is introduced, consisting in the similarity of the dynamic parameters of the cell generatrices. Elastic wave propagation in unbranched dynamically self-similar structures is investigated. It is shown that such structures are equivalent in frequency to a periodic structure with additional fixation; however, the nature of wave propagation in them significantly differs. A dynamic fractal can feature both attenuated waves and waves that increase along the length of the structure; the intensity of wave attenuation is stronger than in a periodic structure.中文翻译:
动态自相似结构(动态分形)中弹性波的传播