期刊
INTERNATIONAL JOURNAL OF IMPACT ENGINEERING
卷 122, 期 -, 页码 1-9出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijimpeng.2018.07.019
关键词
Hydrocode; Hypervelocity; Crater; Material strength; Equation of state
资金
- National Nuclear Security Administration of the U.S. Department of Energy [DE-AC52-06NA25396]
This work investigates how the Eulerian hydrocode PAGOSA performs while simulating a hypervelocity impact experiment of stainless steel 304-L into aluminum 6061-T6. The specifications of the simulation were established in a paper detailing an experiment conducted at the Atomic Weapons Establishment (AWE) in the UK and the Centre d'Etudes de Gramet (CEG) in France. A variety of strength models and equations of state are employed under several different mesh sizes. The results display an excellent comparison with the experimental data and demonstrate dramatic differences in impacted crater geometries over various strength models and mesh sizes.
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