Thin-shell approach for elastic wave propagation in a pipe with liquid
- Authors
- Kim, JO; Rose, JL
- Issue Date
- May-2005
- Publisher
- KOREAN SOC MECHANICAL ENGINEERS
- Keywords
- elastic wave; axisymmetric mode; phase velocity; frequency; shell; pipe
- Citation
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY, v.19, no.5, pp.1087 - 1094
- Journal Title
- JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY
- Volume
- 19
- Number
- 5
- Start Page
- 1087
- End Page
- 1094
- URI
- http://scholarworks.bwise.kr/ssu/handle/2018.sw.ssu/19375
- DOI
- 10.1007/BF02984030
- ISSN
- 1738-494X
- Abstract
- This paper presents the validity and limitation of the thin-shell approach. for the analysis of elastic wave propagation in a pipe with nonviscous liquid. The phase velocities calculated by the thin-shell approach were compared with those calculated by the thick-cylinder approach. In contrast to the case of the empty pipe, where only two modes were obtained and the first mode was calculated in a limited frequency range, the results for the liquid-filled pipe exhibits a large number of modes due to the large number of branches of the apparent liquid mass. Several of the lowest modes of the waves in a liquid-filled pipe were calculated. for various pipe thicknesses in a low frequency range. The thin-shell approach was valid for a reasonable range of pipe thicknesses.
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