Abstract
To explore the capability of unstructured mesh to simulate detonation wave propagation phenomena, numerical simulation of H2/air detonation using unstructured mesh was conducted. The unstructured mesh has several adv- antages such as easy mesh adaptation and flexibility to the complicated configurations. To examine the resolution dependency of the unstructured mesh, several simulations varying the mesh size were conducted and compared with a computed result using a structured mesh. The results show that the unstructured mesh solution captures the detailed structure of detonation wave, as well as the structured mesh solution. To capture the detailed detonation cell structure, the unstructured mesh simulations required at least twice, ideally 5times the resolution of structured mesh solution.
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Togashi, F., Löhner, R. & Tsuboi, N. Numerical simulation of H2/air detonation using unstructured mesh. Shock Waves 19, 151–162 (2009). https://doi.org/10.1007/s00193-009-0197-7
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DOI: https://doi.org/10.1007/s00193-009-0197-7