T-4-4-1 Stress Wave Propagation within an Acrylic Block

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概要

• 論文の詳細を見る

• Linear elastic wave propagation induced by an impact on an elastic material was investigated. A numerical method based on Godunov's method was applied to simulate the phenomenon including interaction between various elastic waves such as compression, expansion, shear and their coupling. In order to compare with the numerical results, an impact test was performed. A transparent acrylic block was set as a specimen in a shock tube. The elastic waves induced by the shock wave in the block were visualized by using the schlieren method and the strains at several points on its surface were measured. The wave pattern and the strains were compared with the results of a numerical simulation. The results showed that the semiconductor strain gauges captured the rapid phenomena caused by the waves and that the numerical method was potentially feasible for concerning fields such as nondestructive inspections, impact tests.

• 一般社団法人日本機械学会の論文

著者

• Goto Tomonobu

  Department Of Mechanical Engineering Tottori University

• Takano Yasunari

  Department Of Mechanical System Engineering University Of Shiga Prefecture

• Takano Yasunari

  Department Of Mechanical Systems Engineering The University Of Shiga Prefecture

• Goto Tomonobu

  Department Of Mechanical And Aerospace Engineering Tottori University

• AONO Takahumi

  Department of Mechanical Engineering Tottori University

• OHASHI Yusaku

  Department of Mechanical Engineering Tottori University

• Goto Tomonobu

  Department of Applied Mathematics and Physics, Tottori University

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