Journal of Projectiles, Rockets, Missiles and Guidance >
Numerical Simulation of Plate Response Subject to Far-field Underwater Explosion
Received date: 2016-06-12
Online published: 2025-05-23
Acoustic-structure interaction method in LS-DYNA software was used to solve plate response subject to far-field underwater explosion. Cavitation acoustic finite element (CAFE) and non-reflecting boundary were used in UNDEX models. Results with different fluid mesh density, different length of fluid column, with or without CAFE effects were compared with DAA results. This kind of method could offer significant savings in computational time over DAA without greatly affecting accuracy of results.
XIN Chunliang , WANG Xinquan , TU Jian , WANG Wei , YE Zhiping . Numerical Simulation of Plate Response Subject to Far-field Underwater Explosion[J]. Journal of Projectiles, Rockets, Missiles and Guidance, 2017 , 37(2) : 80 -82,94 . DOI: 10.15892/j.cnki.djzdxb.2017.02.019
| [1] | 辛春亮, 秦健, 刘科种,等. 基于LS-DYNA 软件的水下爆炸数值模拟研究[J]. 弹箭与制导学报, 2008. 28 (3): 156- 158. |
| [2] | KLENOW B, BROWN A. Assessment of non-reflecting boundary conditions for application in far-field UNDEX finite element models[C] // 77th Shock and Vibration Symposium. Monterey: SAVIAC, 2006. |
| [3] | LYSMER J, KUHLEMEYER RL. Finite dynamic model for infinite media[J]. Journal of Engineering Mechanics Division, 1969, 95 (4): 859- 878. |
| [4] | CHOEN M. Silent boundary methods for transient wave analysis: PB82–201831[R]. 1983. |
| [5] | MAIR H U. Benchmarks for submerged structure response to underwater explosions[J]. Shock and Vibration, 1999, 6 (4): 169- 181. |
| [6] | BLEICH H H, SANDLER I S. Interaction between structures and bilinear fluids[J]. International Journal of Solids and Structures. 1970, 6 (5): 617- 639. |
| [7] | SPRAGUE M A, GEERS T L. Computational treatment of cavitation effects in near-free-surface underwater shock analysis. Shock and Vibration, 2001, 8 (2): 105- 422. |
/
| 〈 |
|
〉 |