摘要
基于RANS方程,采用有限体积法离散计算区域,对流项使用Harten TVD格式进行流场求解,湍流部分应用Menter SST两方程湍流模型,建立了隐式LU-SGS方法的三维CFD计算程序,数值模拟了来流马赫数4.96条件下的18°×18°对称双楔产生的交叉激波/湍流边界层干扰问题,计算了不同剖面沿展向压强分布以及流场的详细结构,并将计算结果与相关文献的实验与计算结果进行了比较。
A 3d LU-SGS computational code was developed to solve the hypersonic flows, which was modeled by using the compressible three-dimension Reynold averaged Navier-Stokes equations and a finite volume formulation, the convective parts were discretized with the Harten TVD scheme, and the turbulence effect was modeled utilizing Menter SST two equation turbulence model. The flowfield of 18 × 18 degree fins generated crossing shock wave/turbulent boundary layer interactiom were studied at Mach 4.96, a 3D separated flowfield was analyzed and the numerical results were compared with experimental and numerical results from references.
出处
《国防科技大学学报》
EI
CAS
CSCD
北大核心
2008年第3期11-14,42,共5页
Journal of National University of Defense Technology
基金
国家部委基金项目(51413040901KG0145)