On the peak acceleration of a beam in response to a shock and its validity for cylindrical pipes

被引：0

作者：

Caresta, Mauro ^{[1
]}

机构：

[1] Schlumberger Cambridge Res Ltd, High Cross Madingley Rd, Cambridge CB3 0LE, England

来源：

WAVE MOTION | 2023年 / 122卷

关键词：

Impact; Beam; Cylinder; Thick shell; Shock; Pyroshock; Perforation; Drilling collar; IMPACT; SHELLS; ELEMENT;

D O I：

10.1016/j.wavemoti.2023.103194

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

This paper presents a closed-form solution for the peak acceleration in an infinite beam as a response to a half-cycle sine pulse excitation. The limits of its validity for a finite length beam are discussed. Numerical and experimental results are presented for a drilling collar where the excitation of shell modes may lead to underestimating the maximum acceleration if beam theory is used. A condition is suggested to decide if beam theory is appropriate for thick cylinders and the contribution from shell modes can be neglected.& COPY; 2023 Elsevier B.V. All rights reserved.

引用

页数：10

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