上海交通大学学报（英文版） ›› 2014, Vol. 19 ›› Issue (3): 346-353.doi: 10.1007/s12204-014-1508-4
Modified Numerical Model for Simulating Fluid-Filled Structure Response to Underwater Explosion with Cavitation
XIAO Wei1 (肖巍), ZHANG A-man1* (张阿漫), WANG Yu2 (汪玉)
- (1. College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China; 2. Unit 92857 of PLA, Beijing 100161, China)
-
出版日期:2014-06-30发布日期:2014-07-15 -
通讯作者:ZHANG A-man(张阿漫) E-mail: zhangaman2010@gmail.com
Modified Numerical Model for Simulating Fluid-Filled Structure Response to Underwater Explosion with Cavitation
XIAO Wei1 (肖巍), ZHANG A-man1* (张阿漫), WANG Yu2 (汪玉)
- (1. College of Shipbuilding Engineering, Harbin Engineering University, Harbin 150001, China; 2. Unit 92857 of PLA, Beijing 100161, China)
-
Online:2014-06-30Published:2014-07-15 -
Contact:ZHANG A-man(张阿漫) E-mail: zhangaman2010@gmail.com
摘要： In this paper, a numerical method is established to analyze the response of fluid-filled structure to underwater explosion with cavitation and the validation of the method is illustrated. In the present implementation, the second-order doubly asymptotic approximation (DAA2) other than curved wave approximation (CWA) is used to simulate non-reflecting boundary. Based on the method, the difference between DAA2 non-reflecting boundary and CWA non-reflecting boundary is investigated; then, the influence of internal fluid volume and the influence of cavitation on dynamic response of spherical shell are analyzed. Compared with CWA non-reflecting boundary, DAA2 non-reflecting boundary treats added mass effects better. When the internal fluid is full, the displacement and velocity of spherical shell decrease, but, when the internal fluid is half, the displacement and velocity of spherical shell increase. The effect of cavitation is more obvious at the trailing point than at the leading point of spherical shell.
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XIAO Wei1 (肖巍), ZHANG A-man1* (张阿漫), WANG Yu2 (汪玉). Modified Numerical Model for Simulating Fluid-Filled Structure Response to Underwater Explosion with Cavitation[J]. 上海交通大学学报（英文版）, 2014, 19(3): 346-353.
XIAO Wei1 (肖巍), ZHANG A-man1* (张阿漫), WANG Yu2 (汪玉). Modified Numerical Model for Simulating Fluid-Filled Structure Response to Underwater Explosion with Cavitation[J]. Journal of shanghai Jiaotong University (Science), 2014, 19(3): 346-353.
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