Relation between Actual Mass and Simulation Mass of Far-Field Underwater Explosion

Zui Wei Xie; Xin Yue Wu; Qiang Wan

doi:10.4028/www.scientific.net/AMM.127.350

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 127Relation between Actual Mass and Simulation Mass...

Relation between Actual Mass and Simulation Mass of Far-Field Underwater Explosion

Abstract:

The far-filed underwater explosive shock wave pressure and impulse is simulated by the FEM code LS-DYNA, and the simulation results are found having rapid decay characteristic through compared with the empirical results. Based on this phenomenon, the relations, whose validity is verified through a computation instance, between simulation mass and actual mass under given initial conditional is obtained by using curve fitting. Using those equations, the accuracy of LS-DYNA to simulate far-field underwater explosive can significantly be increased, thus the ability of this code to simulate far-field underwater explosion is enhanced.

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Periodical:

Applied Mechanics and Materials (Volume 127)

Pages:

350-354

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.127.350

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Online since:

October 2011

Authors:

Zui Wei Xie, Xin Yue Wu, Qiang Wan

Keywords:

LS-DYNA, Numerical Simulation, Simulation Mass, Underwater Explosion

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