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On the research of nonstationary dynamic problems for visco-elastic cylindrical shells

机译:关于粘弹性圆柱壳的非间断动态问题研究

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The paper considers axisymmetric nonstationary problems of dynamics of linear visco-elastic cylindrical shells under the Timoshenko theory. These problems are resolved through Laplace integral transformation in time followed by calculation of originals. The importance of one or another class of function a viscoelastic kernel belongs to is also studied. The author compares wave processes with hereditary kernels of various types connected by certain relations under condition of limited material creep. Among two-parametrical exponential kernels of relaxation there is one having the same effect on transient wave processes in linear visco-elastic shell as on a three-parametrical singular kernel.
机译:本文在TIMOSHENKO理论下考虑了线性粘弹性圆柱壳动力学的轴对称非子性问题。这些问题通过Laplace积分转换及时通过LAPLACE积分转换来解析原件。还研究了一个或另一类功能粘弹性内核的重要性。作者比较了通过在有限的材料蠕变的条件下通过某些关系连接的各种类型的遗传核的波进程。在一个放松的两个参数指数核中,在三个参数奇异内核上,存在对线性粘弹性壳中的瞬态波过程具有相同的效果。

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