AUSM类格式在热流数值模拟中的比较研究  

Research on Scheme Effect of AUSM-type in Heat Flux Numerical Simulation

作　　者：田增冬[1] 梁益华[1] 郝海兵[1] 

机构地区：[1]中航工业西安航空计算技术研究所,陕西西安710119

出　　处：《航空计算技术》2013年第4期72-75,78,共5页Aeronautical Computing Technique

基　　金：国家"863"计划项目资助(2012AA01A304)

摘　　要：系统分析了AUSM类空间离散格式中AUSM+、AUSMDV及AUSMPW三种格式的构造方法及特点,并分别对钝锥、钝双锥的高超粘性绕流流场进行了数值模拟,重点分析了格式对热流数值模拟结果的影响。数值结果表明:AUSM类格式在高超音速流动模拟中具有高间断分辨率和数值稳定性,其中AUSM+和AUSMPW格式更适用于热流数值模拟,而AUSMDV格式可能会出现"红玉"现象。This paper has analyzed the construction method and algorithm characteristics of AUSM ＋, AUSMDV and AUSMPW schemes . The hypersonic viscous flow around blunt cone and hiconic model are simulated and the effects of above three schemes on the heat flux numerical simulation results were ana- lyzed. Numerical results show that AUSM- type schemes possess high resolution near shock discontinuities and robustness. Moreover, AUSM ＋ and AUSMPW schemes are suitable in application of heat flux numer- ical simulation, and carbuncle phenomenon should be aware when AUSMDV scheme is adopted.

关 键 词：计算流体力学 N-S方程 热流 AUSM类格式 

分 类 号：V211[航空宇航科学与技术—航空宇航推进理论与工程]