Abstract
This paper presents a comparison of simulation’s results with the experimental data from a series of small-scale tests conducted by Joachim and Lunderman of the United States Army Engineer Waterways Experiment Station. The purpose of the experiments was to evaluate the effect of water as a mean of reducing airblast pressure from accidental explosions in underground magazines. In the present study, a series of three-dimensional numerical calculations were conducted using a Multimaterial Eulerian Finite Element Code. Results from the numerical simulations show good comparison with the experimental data for the case with and without water. Our simulation ascertains the mitigation effects of water in reducing the maximum peak pressure and impulse density due to an explosion.
Highlights
This paper presents a comparison of simulation’s results with the experimental data from a series of small-scale tests conducted by Joachim and Lunderman of the United States Army Engineer Waterways Experiment Station
The use of water as a mean of reducing the maximum peak pressure and impulse density due to an explosion has been of great interest to many researchers
There is a lacking in the area of numerical calculation to investigate the water mitigation concept
Summary
The use of water as a mean of reducing the maximum peak pressure and impulse density due to an explosion has been of great interest to many researchers. Many experiments had been conducted to investigate the mitigation effects of water, such as Eriksson [2], Keenan and Wager [4], Vretblad and Eriksson [8]. In. there is a lacking in the area of numerical calculation to investigate the water mitigation concept. The use of numerical tools is important as it provides an effective way for cost savings for studying this complicated shock event due to explosion and expedites the process for design purpose. It is of interest for us to carry out numerical simulations to verify the effects of water mitigation on an explosion. The present study performs the numerical calculations using the Multimaterial Eulerian Finite Element Code, MSC-DYTRAN and compares the simulation’s results with the experimental data from United States Army Engineer Waterways Experiment Station [3]
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