Department of Applied Mathematics and Statistics, Institute of Space Technology, Islamabad, Pakistan.
NUTech School of Applied Sciences and Humanities, National University of Technology (NUTech), Islamabad, Pakistan.
Comput Biol Chem. 2019 Dec;83:107107. doi: 10.1016/j.compbiolchem.2019.107107. Epub 2019 Sep 19.
This paper is about multi-component flow. There is no doubt that multi-component flow has a wide range of applications, specially in aerospace it plays a vital role during reentry of space ship into earth's atmosphere thats why it cannot be neglected for a proper vehicle design. In this paper one- and two-dimensional homogenous multi-component flow models are numerically investigated by using a high resolution splitting scheme and this scheme is known as Kinetic Flux Vector Splitting scheme. This scheme preserves positivity conditions and resolves shocks, rarefaction and contact discontinuity. The scheme is based on splitting of flux functions. Moreover Runge-Kutta time stepping technique with MUSCL-type initial reconstruction is used to guarantee higher order accurate solution. This work is first done by Qamar and Warnecke (2004) for the homogeneous multi-component flow equations using central scheme, here we investigate the same work using kinetic flux vector splitting scheme (KFVS) and compared the results with central scheme to verify the efficiency of studied scheme.
这篇论文是关于多组分流的。毫无疑问,多组分流具有广泛的应用,特别是在航空航天领域,在太空船返回地球大气层的过程中起着至关重要的作用,因此,对于合理的车辆设计,它不容忽视。在本文中,通过使用高分辨率分裂方案(即动力通量向量分裂方案)对一维和二维均相多组分流模型进行了数值研究。该方案保留了正定性条件,并解决了激波、稀疏波和接触间断。该方案基于通量函数的分裂。此外,采用龙格-库塔时间推进技术和 MUSCL 型初始重构来保证更高阶精度的解。这项工作最初是由 Qamar 和 Warnecke(2004 年)针对均相多组分流方程采用中心方案完成的,在这里,我们使用动力通量向量分裂方案(KFVS)研究了相同的工作,并将结果与中心方案进行了比较,以验证所研究方案的效率。