PVM平台下通量守恒的嵌入自适应网格解激波和底部流

运用嵌入式自适应网格技术来提高结构网格求解复杂流场的分辨率。该方法根据流场的形成，将密集网格嵌入到物理量剧烈变化的区域，使求解精度得以提高的同时，避免较大的计算开销，从而达到求解效率和求解精度之间的平衡。 Ｐ Ｖ Ｍ 平台使得被嵌入的网格可以在网络中不同的机器上完成，大幅度降低了墙上时间。原始网格与被嵌入网格之间数值通量守恒的实现增强了该方法在捕捉间断时的有效性和可靠性。

The Numerical Solution of Shock and Base Flow Using Embedding Grid Adaptation with Flux Conservation in PVM

In this paper embedding grid adaptation technique is used to improve resolution ratio of structured grids in solving complex flowfields.This method embeds highly clustered grids in areas of high flow gradients according to the formation of flow fields.It increases flow resolution without a dramatic increase in computational cost,thus achieving balance between accuracy and efficiency.Using PVM software platform,the embedded grids can be distributed to different machines in network and wall time is shortened dramatically.The accomplishing of numerical flux conservation between initial grid and embedded grids highly enhances its reliability and efficiency in capturing discontinuous solution.