OpenCL numerical simulations of two-fluid compressible flows with a 2D random choice method

Philippe Helluy (1, 2) , Jonathan Jung (1)

1 IRMA - Institut de Recherche Mathématique Avancée
2 CALVI - Scientific computation and visualization

In this paper, we propose a new very simple numerical method for solving liquid-gas compressible flows. Such flows are difficult to simulate because classical conservative finite volume schemes generate pressure oscillations at the liquid-gas interface. We extend to several dimensions the random choice scheme that we have previously constructed. The extension is performed through Strang dimensional splitting. The resulting scheme exhibits interesting conservation and stability properties. For achieving high performance, the scheme is tested on recent muulticore processors and GPU, using the OpenCL environment.

Domaines: Equations aux dérivées partielles [math.AP]

Philippe Helluy, Jonathan Jung. OpenCL numerical simulations of two-fluid compressible flows with a 2D random choice method. International Journal on Finite Volumes, 2013, 10, pp.1-38. ⟨hal-00759135⟩