Discontinuous Galerkin discretization coupled with sharp interface method for ablative materials
(2013) 21st AIAA Computational Fluid Dynamics Conference — Location: San Diego, California (24.June.2013)
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- Abstract
- The interaction between the mechanisms of ablation and boundary layer transition is one of the phenomena that leads to difficulties in heat-flux prediction during atmospheric entries. The objective of this work is to develop a computational tool based on a high- order discontinuous Galerkin method (DGM), that simulates and models the flow and wall phenomena in a unified approach. As a first step, a one-dimensional code has been developed for the in-depth thermal response of ablative materials. This paper demonstrates the capability of DGM for discretizing the highly-nonlinear problem equations, discusses specificities of the method to ensure stability and illustrates the subsequent validation. A sharp interface method is proposed to face the challenges of recession front modeling.
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Schrooyen, P., Hillewaert, K., Magin, T., Chatelain, P., & et al. (2013). Discontinuous Galerkin discretization coupled with sharp interface method for ablative materials. 21st AIAA Computational Fluid Dynamics Conference, San Diego, California. https://hdl.handle.net/2078.5/268521