Multiscale smoothed particle hydrodynamics simulation of detonation initiation

被引：1
|
作者：
Murzov, S. A. [1 ,2 ]
Dyachkov, S. A. [1 ,3 ]
Parshikov, A. N. [2 ]
Egorova, M. S. [2 ,3 ]
Zhakhovsky, V. V. [2 ,3 ]
机构：
[1] Moscow Inst Phys & Technol, Inst Skiy Pereulok 9, Dolgoprudnyi 141700, Moscow Region, Russia
[2] Dukhov Res Inst Automat VNIIA, Sushchevskaya 22, Moscow 127055, Russia
[3] Russian Acad Sci, Landau Inst Theoret Phys, Akad Semenova 1a, Chernogolovka 142432, Moscow Region, Russia
来源：
XXXIII INTERNATIONAL CONFERENCE ON EQUATIONS OF STATE FOR MATTER | 2019年 / 1147卷
基金：
俄罗斯科学基金会;
关键词：
ENERGETIC MATERIAL; SHOCK INITIATION; COLLAPSE; MODEL;
D O I：
10.1088/1742-6596/1147/1/012041
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
Detonation initiation phenomenon in condensed explosives requires the development of multiscale simulation techniques. Contact smoothed particle hydrodynamics is applied for a mesoscopic simulation of shock initiation in a model of porous pentaerythritol tetranitrate (PETN) at low density. Our simulation of shock initiation leads to an overestimated run distance to detonation compared with Popolato curve in PETN. The consistency of the porous mesoscopic structure simulation, using a contact smoothed particle hydrodynamics and macroscopic kinetics of the pressed PETN is discussed.
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页数：4
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