Abstract: High-Resolution Simulations of H2/O2 detonations
The accurate simulation of gaseous combustion is difficult due to the multi-scale nature and geometrical complexity of detonation and deflagration waves. To address this difficulty, simulations were performed which take advantage of accelerated compute architectures. High-resolution, three-dimensional, large eddy simulations of the detonation of pre-mixed H2/O2 were performed with FURY, a GPU capable, compressible flow solver. The purpose of these simulations is to validate the FURY code for reactive flows, to demonstrate and quantify the code performance and scaling characteristics on GPU clusters, and to generate high-resolution reference solutions to aid in the development of reaction and interface models. For these simulations, detonation waves were initiated by prescribing a point-like hot spot within a volume of pre-mixed H2 and O2. A single-step, global reaction mechanism is used to model the combustion of hydrogen with oxygen (2H2+O2->2H20). The dependence of blast wave structures on resolution and dimensionality are discussed and performance characteristics of FURY are presented.
LA-UR-22-31204