SHOCKS

作品数：126被引量：174H指数：5
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相关机构：上海交通大学成都市实验外国语学校中国船舶重工集团公司第711研究所中国铁道科学研究院更多>>
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Delta-shocks and vacuums in zero-pressure gas dynamics by the flux approximation被引量：3
《Science China Mathematics》2015年第11期2329-2346,共18页YANG HanChun LIU JinJing 
supported by National Natural Science Foundation of China(Grant No.11361073)
In this paper,firstly,by solving the Riemann problem of the zero-pressure flow in gas dynamics with a flux approximation,we construct parameterized delta-shock and constant density solutions,then we show that,as the f...
关键词：Euler equations of isentropic gas dynamics zero-pressure flow transport equations Riemann problem delta shock wave vacuum flux approximation numerical simulations 
Vanishing viscosity of isentropic Navier-Stokes equations for interacting shocks被引量：6
《Science China Mathematics》2015年第4期653-672,共20页HUANG FeiMin WANG Yi WANG Yong YANG Tong 
supported by National Basic Research Program of China(973 Program)(Grant No.2011CB808002);the National Center for Mathematics and Interdisciplinary Sciences,Academy of Mathematics and Systems Science,Chinese Academy of Sciences and the Chinese Academy of Sciences Program for Cross&Cooperative Team of the Science&Technology Innovation,National Natural Sciences Foundation of China(Grant Nos.11171326,11371064 and 11401565);the General Research Fund of Hong Kong(Grant No.City U 103412)
We study the vanishing viscosity of the Navier-Stokes equations for interacting shocks. Given an entropy solution to p-system which consists of two different families of shocks interacting at some positive time,we sho...
关键词：isentropic Navier-Stokes equations isentropic Euler equations interacting shock vanishing viscosity entropy solution 
The reason of Hopf’s and Oleinik’s proofs for countability of shocks being wrong
《Science China Mathematics》2012年第4期727-729,共3页LI BangHe Academy of Mathematics and Systems Science,Chinese Academy of Sciences,Beijing 100190,China 
partially supported by National Basic Research Program of China (Grant No.2011CB302400);National Natural Science Foundation of China (Grant No. 10771206)
For the number of complete shock curves of a conservation law with one space variable,Hopf in 1950 for the Burger equation,and Oleinik in 1956 for the general,stated that it is at most countable.In 1979,the present au...
关键词：countability of shocks uncountability of shocks conservation law 
Slow mode shocks propagating in open and closed magnetic fields
《Science China Mathematics》1999年第4期414-422,共9页吕建永 魏奉思 
Project supported by the National Natural Science Foundation of China ;partially the SIGMA Weather Project
A 2-D MHD model is used to investigate the propagation of slow mode shocks in the open and closed magnetic fields of the meridional plane near the sun. The solutions demonstrate that a forward slow shock could retain ...
关键词：MHD simulation SLOW shock INTERMEDIATE shock. 
Explicit construction of measure solutions of Cauchy problem for transportation equations被引量：1
《Science China Mathematics》1997年第12期1287-1299,共0页陈绍仲 李杰权 张同 
Project supported by the Institute of Mathematics, Chinese Academy of Sciences and by the National Fundamental Research Program of State Commission of Science and Technology of China, and Chinese Academy of Sciences.
The transportation equations are a mathematical model of zero-pressure flow in gas dynamics and the adhesion particle dynamics system to explain the formation of large scale structures in the universe.With the help of...
关键词：TRANSPORTATION EQUATIONS CAUCHY problem MEASURE solution convex hull Dirac delta-shocks. 
SLOW SHOCKS IN AN OPEN MAGNETIC FIELD NEAR THE SUN被引量：1
《Science China Mathematics》1990年第3期332-344,共13页胡友秋 祝中伟 A. J. HUNDHAUSEN T. E. HOLZER 刘文才 
Project partly supported by the National Natural Science Foundation of China
The observed speeds of the coronal mass ejections are often below the estimated Alfven speed but above the sound speed for the background solar corona. This phenomenon suggests that coronal mass ejections may form slo...
关键词：hydromagnetics SUN SLOW shocks. 
GENERAL VARIATIONAL PRINCIPLE FAMILY FOR FULLY 3-D UNSTEADY TRANSONIC FLOW WITH SHOCKS AROUND OSCILLATING WINGS
《Science China Mathematics》1989年第6期707-715,共9页刘高联 
Based on the author’s previous work, a general form of generalized variational princi-ples (VPs) together with its derived VP family is established for 3-D unsteady’ transonicpotential flow with shocks past arbitrar...
关键词：variational principles in fluid mechanics UNSTEADY FLOW finite element method TRANSONIC flow. 
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