コースティックス法の原理と応用例 ... - jsem.jp

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Principle ofthe M ethod ofCaustics and its Application Koji SH IM IZU (Kanto G akuin University). Fundam entalprinciple ofthe m ethod ofcaustics is described and som e applications ofthis technique on various problem s atour laboratory are show n. W hen this technique is applied to the stress- frozen m odelin photoelasticity,there appears very differentcaustic patterns from those ofusualone. Next,as an exam ple ofapplication on the dynam ic fracture problem , analysis offracture behavior ofceram ic m aterials under dynam ic loading athigh tem peratures is described. M oreover, special application ofthis principle on the m ethod ofultrasonic caustics which is used to evaluate the defect size in the circularrods in wateris show n.

for Mo ed I (λ>0, ξ=0) condition (λ>0, ξ=0) 3．実験装置 コースティックス法に関する基本的実験装置を図

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