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On the structure of the spectrum for the elasticity problem in a body with a supersharp spike

机译:具有尖锐尖峰的物体中的弹性问题的频谱结构

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摘要

We establish that the continuous spectrum of the Neumann problem for the system of elasticity equations occupies the entire closed positive real semiaxis in the case that a three-dimensional body with a sharp-spiked cusp whose cross-section contracts to a point with the velocity O(r (1+gamma)), where r is the distance to the vertex of the spike and gamma > 1 is the sharpness exponent.
机译:我们建立了一个弹性方程组的诺伊曼问题的连续谱占据了整个闭合正实半轴的情况,这是一个具有尖尖的尖头的三维物体的横截面收缩为速度为O的点的情况。 (r(1 + gamma)),其中r是到尖峰顶点的距离,而gamma> 1是清晰度指数。

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