A model is developed to describe the refraction of an elastic transverse wave by an immersed concave cylindrical surface. The wave may be incident on the liquid surface at any angle. Immersional monitoring of a small-diameter pipeline is considered.

中文翻译：

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声学无损监测中弹性振动与物体表面的相互作用

开发了一个模型来描述浸入式凹圆柱面对弹性横波的折射。波可以以任何角度入射到液体表面。考虑对小直径管道进行浸入式监测。