SHOCKS

作品数：129被引量：175H指数：5
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High-Order DG Schemes with Subcell Limiting Strategies for Simulations of Shocks,Vortices and Sound Waves in Materials Science Problems
《Fluid Dynamics & Materials Processing》2024年第10期2183-2204,共22页Zhenhua Jiang Xi Deng Xin Zhang Chao Yan Feng Xiao Jian Yu 
supported by the National Natural Science Foundation of China under Grant Nos.92252201 and 11721202;support by the Laboratory of Aerodynamic Noise Control under Grant No.2301ANCL20230303 and the Fundamental Research Funds for the Central Universities.
Shock waves,characterized by abrupt changes in pressure,temperature,and density,play a significant role in various materials science processes involving fluids.These high-energy phenomena are utilized across multiple ...
关键词：Discontinuous Galerkin finite volume subcell limiting shock associated noise computational aeroacoustics 
Effect of the interval between two shocks on ejecta formation from the grooved aluminum surface
《Defence Technology（防务技术）》2024年第3期147-159,共13页Mingyang Xu Jianli Shao Weidong Song Enling Tang 
supported by the Doctoral Research Launch Foundation of Liaoning Province(Grant No.2022-BS-185),China;the Science Challenge Project(Grant No.TZ2016001),China;the National Natural Science Foundation of China(Grant Nos.11972092,12172056,12002049),China;the key Laboratory of Computational Physics(Gant No.HX02021-24)720-24);Shenyang Ligong University Talent Introduction Support Fund,China。
This work focuses on the effect of the interval between two shocks on the ejecta formation from the grooved aluminum(Al_(1100))surface by using smoothed particle hydrodynamics numerical simulation.Two unsupported shoc...
关键词：EJECTA MICROJET Two shocks INTERVAL Smoothed particle hydrodynamics 
On the Solution Accuracy Downstream of Shocks When Using Godunov-Type Schemes.I.Sources of Errors in One-Dimensional Problems
《Communications in Computational Physics》2023年第8期749-786,共38页Alexander V.Rodionov 
supported by the Russian Science Foundation(project 22-11-00199).The author would like to thank Tatiana Zezyulina for the qualified assistance in English and the reviewers for their helpful comments.
The article opens a series of publications devoted to a systematic study of numerical errors behind the shock wave when using high-order Godunov-type schemes,including in combination with the artificial viscosity appr...
关键词：Shock-capturing methods Riemann problem WENO reconstruction Runge-Kutta method Hancock-Rodionov method artificial viscosity approach Shu-Osher test problem 
The Uniform Asymptotics for the Tail of Poisson Shot Noise Process with Dependent and Heavy-Tailed Shocks
《Journal of Mathematical Research with Applications》2023年第3期335-349,共15页Kaiyong WANG Yang YANG Kam Chuen YUEN 
Supported by the National Social Science Fund of China (Grant No.22BTJ060);the Humanities and Social Sciences Foundation of the Ministry of Education of China (Grant No.20YJA910006);the Natural Science Foundation of Jiangsu Province (Grant No.BK20201396);the Natural Science Foundation of the Jiangsu Higher Education Institutions (Grant No.19KJA180003);the Grant from the Research Grants Council of the Hong Kong Special Administrative Region,China (Grant No.HKU17306220);the 333 High Level Talent Training Project of Jiangsu Province。
This paper considers the uniform asymptotic tail behavior of a Poisson shot noise process with some dependent and heavy-tailed shocks. When the shocks are bivariate upper tail asymptotic independent nonnegative random...
关键词：Poisson shot noise process dependent shock heavy-tailed distribution uniform asymptotics 
GLOBAL INSTABILITY OF MULTI-DIMENSIONAL PLANE SHOCKS FOR ISOTHERMAL FLOW被引量：2
《Acta Mathematica Scientia》2022年第3期887-902,共16页Ning-An LAI Wei XIANG Yi ZHOU 
supported by NSFC(12171097);supported in part by the Research Grants Council of the HKSAR,China(Project No.CityU 11303518,Project CityU 11304820 and Project CityU 11300021).
In this paper,we are concerned with the long time behavior of the piecewise smooth solutions to the generalized Riemann problem governed by the compressible isothermal Euler equations in two and three dimensions.A non...
关键词：BLOW-UP global solution instability shock contact disctinuity Euler equations ISOTHERMAL generalized Riemann problem nonlinear wave equations 
Formation, Propagation and Reflection of 1D Normal Shocks in Riemann Shock Tube
《Applied Mathematics》2022年第3期295-323,共29页Karan S. Surana Jacob K. Kendall Celso H. Carranza 
The purpose of this paper is to consider 1D Riemann shock tube to investigate the formation and propagation of compression waves leading to formation, propagation and reflection of 1D normal shocks using simplified ma...
关键词：Compression Wave 1D Normal Shock Riemann Shock Tube SPACE-TIME 
Numerical method for simulating rarefaction shocks in the approximation of phase-flip hydrodynamics被引量：1
《Applied Mathematics and Mechanics(English Edition)》2021年第6期871-884,共14页M.M.BASKO 
A finite-difference algorithm is proposed for numerical modeling of hydrodynamic flows with rarefaction shocks, in which the fluid undergoes a jump-like liquid-gas phase transition. This new type of flow discontinuity...
关键词：fluid dynamics with phase transitions two-phase flow rarefaction shock Lagrangian scheme artificial viscosity artificial kinetics 
Dynamics of particles near the surface of amedium under ultra-strong shocks被引量：1
《Matter and Radiation at Extremes》2021年第2期46-53,共8页Zixiang Yan Hao Liu Xinyu Zhang Guoli Ren Jie Liu Wei Kang Weiyan Zhang Xiantu He 
supported by the National Key Research and Development Program of China under Grant No.2017YFA0403200,the NSFC(Grant No.11805061);the Natural Science Foundation of Hunan Province,China(Grant No.2019JJ50072);the Science Challenging Project under Grant No.TZ2016001,and the Fundamental Research Funds for the Central Universities.
Through nonequilibrium molecular dynamics simulations,we provide an atomic-scale picture of the dynamics of particles near the surface of a medium under ultra-strong shocks.This shows that the measured surface velocit...
关键词：structure. SURFACE doubling 
Reliability analysis for a cold standby system under stepwise Poisson shocks
《Journal of Control and Decision》2021年第1期27-40,共14页Xin Ge Jiali Sun Qingtai Wu 
In this paper,a two-dissimilar-component cold standby repairable system maintained by a repairmanis investigated.The system fails due to either intrinsic factors or external shocks.Assume that shocks arrive according ...
关键词：Cold standby stepwise Poisson shock reliability index optimal replacement policy 
Effect of compressibility on bubbly cavitating flows被引量：1
《Journal of Hydrodynamics》2020年第1期1-5,共5页Harish Ganesh Anubhav Bhatt Juliana Wu Steven Ceccio 
This work was supported by the Office of Naval Research(Grant No.N00014-18-1-2699),under program manager Dr.Ki-Han Kim.
Cavitating bubbly flows can form in separated flows and shear layers leading to local regions high vapor void fraction,and these flows often exhibit periodic shedding of vaporous clouds.Historically,the presence of a ...
关键词：CAVITATION bubbly shocks compressible vapor-liquid flows 
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